List of years in paleomalacology
In science
2020
2021
2022
2023
2024
2025
2026
In paleontology
2020
2021
2022
2023
2024
2025
2026
In paleomammalogy
2020
2021
2022
2023
2024
2025
2026
In paleobotany
2020
2021
2022
2023
2024
2025
2026
In arthropod paleontology
2020
2021
2022
2023
2024
2025
2026
In paleoentomology
2020
2021
2022
2023
2024
2025
2026
In paleoichthyology
2020
2021
2022
2023
2024
2025
2026
In reptile paleontology
2020
2021
2022
2023
2024
2025
2026
In archosaur paleontology
2020
2021
2022
2023
2024
2025
2026

This list of fossil molluscs described in 2023 is a list of new taxa of fossil molluscs that were described during the year 2023, as well as other significant discoveries and events related to molluscan paleontology that occurred in 2023.

Ammonites

Name Novelty Status Authors Age Type locality Location Notes Images

Acutimitoceras paracutum[1]

Sp. nov

Valid

Korn & Weyer

Carboniferous (Tournaisian)

Hangenberg Limestone

 Germany

A member of the family Prionoceratidae belonging to the subfamily Acutimitoceratinae.

Acutimitoceras ucatum[1]

Sp. nov

Valid

Korn & Weyer

Carboniferous (Tournaisian)

Hangenberg Limestone

 Germany

A member of the family Prionoceratidae belonging to the subfamily Acutimitoceratinae.

Ammonellipsites infirmus[2]

Sp. nov

Valid

Korn in Zohara Malti et al.

Carboniferous (Tournaisian)

Hassi Sguilma Formation

 Algeria

Arpavoniceras[3]

Gen. et sp. et comb. nov

Frau & Fuhr

Early Cretaceous (Hauterivian)

 France
 United Kingdom

A member of the family Neocomitidae. The type species is A. buloti; genus also includes "Shasticrioceras" anglicum Doyle (1963).

Asteroceras dommerguesi[4]

Sp. nov

Valid

Zaitsev & Ippolitov

Early Jurassic (Sinemurian)

Crimea

Aulatornoceras beyrichi[5]

Sp. nov

Valid

Söte & Becker

Devonian (Frasnian)

Büdesheim Formation

 Germany

A member of the family Tornoceratidae. Announced in 2022; the final article version was published in 2023.

Australopseudothurmannia[6]

Gen. et sp. nov

Marin, Aguirre-Urreta & Rawson

Early Cretaceous (Hauterivian)

 Argentina

Genus includes new species A. flexuosa.

Becanites rowanensis[7]

Sp. nov

Valid

Work & Mason

Carboniferous (Tournaisian)

Borden Formation

 United States
( Kentucky)

Bollandoceras antecedens[2]

Sp. nov

Valid

Korn in Zohara Malti et al.

Carboniferous (Tournaisian)

Hassi Sguilma Formation

 Algeria

Buedesheimites[5]

Gen. et sp. nov

Valid

Söte & Becker

Devonian (Frasnian)

Büdesheim Formation

 Germany

A member of the family Tornoceratidae. Genus includes new species B. housei. Announced in 2022; the final article version was published in 2023.

Costiphylloceras limayense[8]

Sp. nov

Valid

Joly, Parent & Garrido

Middle Jurassic (Aalenian)

Los Molles Formation

 Argentina

A member of the family Phylloceratidae.

Crassotornoceras tenue[5]

Sp. nov

Valid

Söte & Becker

Devonian (Frasnian)

Büdesheim Formation

 Germany

A member of the family Tornoceratidae. Announced in 2022; the final article version was published in 2023.

Cryptomorphiceras[9]

Gen. et comb. et 2 sp. nov

Valid

Marchesi, Balini & Jenks

Late Triassic (Carnian)

 United States
( Nevada)

A member of Trachyceratinae. The type species is C. compressum (Johnston, 1941); genus also includes new species C. crassum, and C. levicostatum. Announced in 2022; the final article version was published in 2023.

Djanaliparkinsonia egori[10]

Sp. nov

Valid

Mitta

Middle Jurassic (Bajocian)

 Russia
( Karachay-Cherkessia)

A member of the family Stephanoceratidae.

Emileites christophi[11]

Sp. nov

Valid

Dietze & Hostettler

Middle Jurassic

Passwang Formation

  Switzerland

Eocanites delicatus[1]

Sp. nov

Valid

Korn & Weyer

Carboniferous (Tournaisian)

Hangenberg Limestone

 Germany

A member of the family Prolecanitidae belonging to the subfamily Prolecanitinae.

Gattendorfia bella[1]

Sp. nov

Valid

Korn & Weyer

Carboniferous (Tournaisian)

Hangenberg Limestone

 Germany

A member of the family Gattendorfiidae.

Gattendorfia corpulenta[1]

Sp. nov

Valid

Korn & Weyer

Carboniferous (Tournaisian)

Hangenberg Limestone

 Germany

A member of the family Gattendorfiidae.

Gattendorfia immodica[1]

Sp. nov

Valid

Korn & Weyer

Carboniferous (Tournaisian)

Hangenberg Limestone

 Germany

A member of the family Gattendorfiidae.

Gattendorfia rhenana[1]

Sp. nov

Valid

Korn & Weyer

Carboniferous (Tournaisian)

Hangenberg Limestone

 Germany

A member of the family Gattendorfiidae.

Gattendorfia schmidti[1]

Sp. nov

Valid

Korn & Weyer

Carboniferous (Tournaisian)

Hangenberg Limestone

 Germany

A member of the family Gattendorfiidae.

Gattendorfia valdevoluta[1]

Sp. nov

Valid

Korn & Weyer

Carboniferous (Tournaisian)

Hangenberg Limestone

 Germany

A member of the family Gattendorfiidae.

Hammatocyclus rugosus[2]

Sp. nov

Valid

Korn in Zohara Malti et al.

Carboniferous (Tournaisian)

Hassi Sguilma Formation

 Algeria

Hasselbachia erronea[1]

Sp. nov

Valid

Korn & Weyer

Carboniferous (Tournaisian)

Hangenberg Limestone

 Germany

A member of the family Gattendorfiidae belonging to the subfamily Gattendorfiinae.

Idahocolumbites phatthalungensis[12] Sp. nov. Valid Thongterm & Shigeta in Thongterm et al. Triassic

(Spathian)

Chaiburi formation  Thailand A member of Ceratitida belonging to the family Columbitidae.

Imitoceras initium[1]

Sp. nov

Valid

Korn & Weyer

Carboniferous (Tournaisian)

Hangenberg Limestone

 Germany

A member of the family Prionoceratidae belonging to the subfamily Imitoceratinae.

Kazakhstania kana[1]

Sp. nov

Valid

Korn & Weyer

Carboniferous

 Morocco

A member of the family Gattendorfiidae belonging to the subfamily Gattendorfiinae.

Knemiceras lanceolatum[13]

Sp. nov

Latil & Jaillard

Early Cretaceous

 Tunisia

Knemiceras multicostatum[13]

Sp. nov

Latil & Jaillard

Early Cretaceous

 Tunisia

Knemiceras sagetae[13]

Sp. nov

Latil & Jaillard

Early Cretaceous

 Tunisia

Knemiceras tunisiense[13]

Sp. nov

Latil & Jaillard

Early Cretaceous

 Tunisia

Kornia acia[1]

Sp. nov

Valid

Korn & Weyer

Carboniferous (Tournaisian)

Hangenberg Limestone

 Germany

A member of the family Prionoceratidae belonging to the subfamily Prionoceratinae.

Kornia fibula[1]

Sp. nov

Valid

Korn & Weyer

Carboniferous (Tournaisian)

Hangenberg Limestone

 Germany

A member of the family Prionoceratidae belonging to the subfamily Prionoceratinae.

Lazariniceras heterostylia[14]

Sp. nov

Bert et al.

Early Cretaceous (Barremian)

 France

Lazariniceras lhaumeti[14]

Sp. nov

Bert et al.

Early Cretaceous (Barremian)

 France

Linguatornoceras acutilobatum[5]

Sp. nov

Valid

Söte & Becker

Devonian (Frasnian)

Büdesheim Formation

 Germany

A member of the family Tornoceratidae. Announced in 2022; the final article version was published in 2023.

Linguatornoceras sandense[5]

Sp. nov

Valid

Söte & Becker

Devonian (Frasnian)

Büdesheim Formation

 Germany

A member of the family Tornoceratidae. Announced in 2022; the final article version was published in 2023.

Lobosphinctes dzhissaensis[15]

Sp. nov

Valid

Mitta in Mitta & Sherstyukov

Middle Jurassic

 Russia

A member of the family Perisphinctidae.

Merocanites parvevolutus[2]

Sp. nov

Valid

Korn in Zohara Malti et al.

Carboniferous (Tournaisian)

Hassi Sguilma Formation

 Algeria

Metengonoceras foleyi[16]

Sp. nov

Valid

May & Lucas

Late Cretaceous (Cenomanian)

Dakota Sandstone

 United States
( New Mexico)

A member of the family Engonoceratidae.

Mimimitoceras mina[1]

Sp. nov

Valid

Korn & Weyer

Carboniferous

 Morocco

A member of the family Prionoceratidae belonging to the subfamily Prionoceratinae.

Mimimitoceras perditum[1]

Sp. nov

Valid

Korn & Weyer

Carboniferous (Tournaisian)

Hangenberg Limestone

 Germany

A member of the family Prionoceratidae belonging to the subfamily Prionoceratinae.

Mosirites[17]

Gen. et 2 sp. nov

Shigeta, Nishimura & Izukura

Cretaceous (Albian to Cenomanian)

 Japan

A heteromorph ammonoid, possibly derived from Anisoceras. Genus includes M. serpentiformis and M. mirabilis.

Muensteroceras rectilineum[2]

Sp. nov

Valid

Korn in Zohara Malti et al.

Carboniferous (Tournaisian)

Hassi Sguilma Formation

 Algeria

Muensteroceras triplettense[7]

Sp. nov

Valid

Work & Mason

Carboniferous (Tournaisian)

Borden Formation

 United States
( Kentucky)

Nomismocanites[1]

Gen. et sp. nov

Valid

Korn & Weyer

Carboniferous (Tournaisian)

Hangenberg Limestone

 Germany

A member of the family Prolecanitidae belonging to the subfamily Prolecanitinae. The type species is N. raritas.

Paprothites beckeri[1]

Sp. nov

Valid

Korn & Weyer

Carboniferous (Tournaisian)

Hangenberg Limestone

 Germany

A member of the family Gattendorfiidae belonging to the subfamily Pseudarietitinae.

Paprothites kullmanni[1]

Sp. nov

Valid

Korn & Weyer

Carboniferous (Tournaisian)

Hangenberg Limestone

 Germany

A member of the family Gattendorfiidae belonging to the subfamily Pseudarietitinae.

Paraemericiceras[6]

Gen. et sp. nov

Marin, Aguirre-Urreta & Rawson

Early Cretaceous (Hauterivian)

Agrio Formation

 Argentina

Genus includes new species P. argentinense.

Paraspiticeras bituberculatum[6]

Sp. nov

Marin, Aguirre-Urreta & Rawson

Early Cretaceous (Hauterivian)

Agrio Formation

 Argentina

Parengonoceras chottensis[13]

Sp. nov

Latil & Jaillard

Early Cretaceous

 Tunisia

Planisphinctes pirkli[15]

Sp. nov

Valid

Mitta in Mitta & Sherstyukov

Middle Jurassic

 Russia

A member of the family Perisphinctidae.

Plesechioceras rochai[18]

Sp. nov

Valid

Vitón et al.

Early Jurassic (Sinemurian)

 Portugal

Proplacenticeras alabushevi[19]

Nom. nov

Latil, Murphy & Rodda

Cretaceous (Albian-Cenomanian)

 Russia

The fossil material was originally described as Rapidoplacenticeras sutherlandbrowni (McLearn, 1972) by Alabushev (1988).[20]

Pseudhimalayites carchelejensis[21]

Sp. nov

Valid

Parent et al.

Late Jurassic (Tithonian)

 Spain

A member of the family Aspidoceratidae.

Roberticeras[19]

Gen. et comb. nov

Valid

Latil, Murphy & Rodda

Cretaceous

 France
 Madagascar
  Switzerland
 Tunisia
 United Kingdom

A member of the family Desmoceratidae. The type species is "Ammonites" dupinianus d'Orbigny (1841); genus also includes other species which were formerly assigned to the genus Beudanticeras.

Rodingites[1]

Gen. et comb. nov

Valid

Korn & Weyer

Carboniferous (Tournaisian)

Hangenberg Limestone

 Germany

A member of the family Gattendorfiidae belonging to the subfamily Pseudarietitinae. The type species is "Pseudarietites" planissimus Vöhringer (1960); genus also includes "Pseudarietites" carinatus Vöhringer (1960).

Rotopericyclus saourensis[2]

Sp. nov

Valid

Korn in Zohara Malti et al.

Carboniferous (Tournaisian)

Hassi Sguilma Formation

 Algeria

Serpenticyclus[22]

Gen. et comb. nov

Valid

Becker

Carboniferous (Tournaisian, possibly also Viséan)

 Algeria
 Morocco
 Russia?

A member of the family Pericyclidae. The type species is "Helicocyclus" fuscus Korn et al. (2003); genus also includes "H." formosus Korn et al. (2010), "H." inornatus Korn et al. (2010), "H." laxaris Korn et al. (2010) and possibly "H." involutus Kusina in Shimankiy & Kusina (1977) and "H." aberratus Kusina and Konovalova (2004).

Stockumites hofensis[23]

Sp. nov

Valid

Korn & Weyer

Carboniferous (Tournaisian)

 Germany

A member of the family Prionoceratidae belonging to the subfamily Acutimitoceratinae.

Stockumites marocensis[1]

Sp. nov

Valid

Korn & Weyer

Carboniferous

 Morocco

A member of the family Prionoceratidae belonging to the subfamily Acutimitoceratinae.

Stockumites nonaginta[23]

Sp. nov

Valid

Korn & Weyer

Carboniferous (Tournaisian)

 Germany

A member of the family Prionoceratidae belonging to the subfamily Acutimitoceratinae.

Stockumites parallelus[1]

Sp. nov

Valid

Korn & Weyer

Carboniferous (Tournaisian)

Stockum Limestone

 Germany

A member of the family Prionoceratidae belonging to the subfamily Acutimitoceratinae.

Stockumites voehringeri[1]

Sp. nov

Valid

Korn & Weyer

Carboniferous (Tournaisian)

Hangenberg Limestone

 Germany

A member of the family Prionoceratidae belonging to the subfamily Acutimitoceratinae.

Tanabeceras nakagawaense[24]

Sp. nov

Shigeta, Sakai & Fujita

Late Cretaceous (Cenomanian)

 Japan

A member of the family Tetragonitidae.

Tectocyclus[22]

Gen. et sp. et comb. nov

Valid

Becker

Carboniferous (Viséan)

 Morocco
 United Kingdom

A member of the family Pericyclidae. The type species is T. herbigi; genus also includes "Helicocyclus" divergens Riley (1996).

Tetragonites nanus[25]

Sp. nov

Shigeta

Late Cretaceous (Coniacian to Campanian)

 Japan

A member of the family Tetragonitidae.

Tornoceras incisum[5]

Sp. nov

Valid

Söte & Becker

Devonian (Frasnian)

Büdesheim Formation

 Germany

A member of the family Tornoceratidae. Announced in 2022; the final article version was published in 2023.

Tornoceras ventrovaricatum[5]

Sp. nov

Valid

Söte & Becker

Devonian (Frasnian)

Büdesheim Formation

 Germany

A member of the family Tornoceratidae. Announced in 2022; the final article version was published in 2023.

Vutacuracrioceras[6]

Gen. et comb. nov

Marin, Aguirre-Urreta & Rawson

Early Cretaceous (Hauterivian)

 Argentina

A new genus for "Paraspiticeras" groeberi Aguirre-Urreta (1993).

Weyerella lenis[1]

Sp. nov

Valid

Korn & Weyer

Carboniferous (Tournaisian)

Hangenberg Limestone

 Germany

A member of the family Gattendorfiidae belonging to the subfamily Gattendorfiinae.

Zadelsdorfia oblita[1]

Sp. nov

Valid

Korn & Weyer

Carboniferous (Tournaisian)

Hangenberg Limestone

 Germany

A member of the family Gattendorfiidae belonging to the subfamily Gattendorfiinae.

Zadelsdorfia zana[1]

Sp. nov

Valid

Korn & Weyer

Carboniferous

 Morocco

A member of the family Gattendorfiidae belonging to the subfamily Gattendorfiinae.

Ammonite research

  • A study on the swimming capabilities of ammonites, aiming to determine hydrodynamic costs and advantages provided by different conch geometries, is published by Ritterbush & Hebdon (2023).[26]
  • A study on the mechanics and fluid dynamics of ammonite swimming is published by De Blasio (2023).[27]
  • Revision of the Middle Triassic ammonite assemblage from the Samobor and Žumberak Mountains (Croatia) is published by Vidaković et al. (2023), who consider "Protrachyceras" dorae Salopek (1912) to be the only unambiguously valid species with a holotype from the Gregurić Breg locality, and transfer this species to the genus Eoprotrachyceras.[28]
  • Revision of the early Kimmeridgian ammonites from the planula Biohorizon of the Wohlgeschichtete Kalk Formation (Germany) is published by Jantschke & Schweigert (2023).[29]
  • Revision of acanthohoplitid taxa from the Aptian strata from Dagestan (Russia) is published by Frau (2023), who considers Protacanthoplites abichi to be a synonym of Acanthohoplites aschiltaensis, and retains A. aschiltaensis as the senior valid name.[30]
  • Evidence from the Albian fossil material from the Clansayes locality (France), interpreted as indicative of the presence of sexual dimorphism in Mariella bergeri, as well as indicating that upper Albian Mariella, lower Cenomanian Mariella and lower Cenomanian Hypoturrilites share the same peristome morphology, is presented by Jattiot et al. (2023).[31]
  • A specimen of Prionocyclus germari found in association with an aptychus referred to the genus Praestriaptychus is described from the Turonian strata near Úpohlavy (Czech Republic) by Košťák et al. (2023).[32]
  • A specimen of Mammites nodosoides, preserved with bite traces interpreted as most likely resulting from a lethal attack of a mosasaur directed at the apertural part of the ammonite with the head and arm crown, is described from the Turonian Bílá Hora Formation (Czech Republic) by Mazuch et al. (2023).[33]
  • A study on the evolution of the peculiar morphology of Pravitoceras sigmoidale is published by Misaki, Okamoto & Maeda (2023).[34]
  • Shigeta & Maeda (2023) describe new fossil material of ammonites from the Maastrichtian Krasnoyarka Formation (Sakhalin, Russia), including fossils of Zelandites varuna, Gaudryceras seymouriense, Pachydiscus subcompressus and Anagaudryceras mikobokense, and interpret the presence of these species as indicative of the influx of immigrant ammonite species into the Northwest Pacific region during late Maastrichtian, which might have been associated with cooling after the greenhouse Middle Maastrichtian Event.[35]

Other cephalopods

Name Novelty Status Authors Age Type locality Location Notes Images

Aphelaeceras validum[2]

Sp. nov

Valid

Korn in Zohara Malti et al.

Carboniferous (Tournaisian)

Hassi Sguilma Formation

 Algeria

Cenoceras polonicum[36]

Sp. nov

Jain et al.

Jurassic

 Poland

Cenoceras rumelangense[37]

Sp. nov

Weis & Schweigert in Weis, Schweigert & Wittische

Middle Jurassic

 Germany
 Luxembourg

Conchorhynchus tabellulis[38]

Sp. nov

Valid

Martinez

Eocene

 France

Ellesmeroceras humahuacaensis[39]

Sp. nov

Valid

Cichowolski et al.

Ordovician (Tremadocian)

Santa Rosita Formation

 Argentina

Endoceras novamagnum[40]

Nom. nov

Valid

Greenfield

Late Ordovician

Saxby locality

 Estonia

A replacement name for Endoceras magnum Stumbur (1956).

Endoceras secundepressum[41]

Nom. nov

Valid

Greenfield

Middle Ordovician

Jigunsan Formation

 South Korea

A replacement name for Endoceras depressum Yun (2011).

Endolobus rota[42]

Sp. nov

Valid

Korn & Klug

Carboniferous (Viséan)

Zrigat Formation

 Morocco

Ephippioceras pygops[42]

Sp. nov

Valid

Korn & Klug

Carboniferous (Viséan)

Zrigat Formation

 Morocco

A member of the family Ephippioceratidae.

Epidomatoceras ebbighausenorum[42]

Sp. nov

Valid

Korn & Klug

Carboniferous (Viséan)

Hamou-Rhanem Formation

 Morocco

A member of the family Grypoceratidae.

Foveroceras[43]

Gen. et sp. nov

Valid

Leonova & Shchedukhin

Permian (Asselian-Sakmarian)

 Russia
( Bashkortostan)

A member of Nautilida belonging to the family Permoceratidae. The type species is F. magnum.

Germanonautilus warthi[44]

Sp. nov

Valid

Schweigert

Early Jurassic (Pliensbachian)

Numismalismergel Formation

 Germany

Linteroceras[45]

Nom. nov

Valid

Mironenko

Carboniferous

 Russia

A replacement name for Linter Shimansky (1968).

Liroceras karaouii[42]

Sp. nov

Valid

Korn & Klug

Carboniferous (Viséan)

Mougoui Ayoun Formation

 Morocco

Liroceras vermis[42]

Sp. nov

Valid

Korn & Klug

Carboniferous (Viséan)

Hamou-Rhanem Formation

 Morocco

Micronautilus[46]

Gen. et 2 sp. nov

Valid

Branger

Middle Jurassic (Bathonian)

 France

A member of the family Paracenoceratidae. The type species is M. evolutus; genus also includes M. minoti.

Nautilaphractus[47]

Nom. nov

Valid

Ceccolini & Cianferoni

Carboniferous

 Russia

A replacement name for Aphractus Shimansky (1967).

Omorphoceras[43]

Gen. et sp. nov

Valid

Leonova & Shchedukhin

Permian (Asselian-Sakmarian)

 Russia
( Bashkortostan)

A member of the family Grypoceratidae. The type species is O. igori.

Shikhanonautilus compressus[48]

Sp. nov

Valid

Shchedukhin

Permian (Asselian-Sakmarian)

 Russia
( Bashkortostan)

A member of the family Liroceratidae.

Sichuanobelus luxiensis[49]

Sp. nov

Ma et al.

Late Triassic (Carnian)

Xiaowa Formation

 China

A member of Belemnitida belonging to the family Sinobelemnitidae.

Solenochilus lucynae[42]

Sp. nov

Valid

Korn & Klug

Carboniferous (Viséan)

Mougoui Ayoun Formation

 Morocco

Solenochilus pohlei[42]

Sp. nov

Valid

Korn & Klug

Carboniferous (Viséan)

Mougoui Ayoun Formation

 Morocco

Stenopoceras (Leptodomatoceras) bashkiricum[43]

Sp. nov

Valid

Leonova & Shchedukhin

Permian (Asselian-Sakmarian)

 Russia
( Bashkortostan)

A member of the family Grypoceratidae.

Temnocheilus aubrechtovae[42]

Sp. nov

Valid

Korn & Klug

Carboniferous (Viséan)

Mougoui Ayoun Formation

 Morocco

A member of the family Trigonoceratidae.

Temnocheilus imazighenorum[42]

Sp. nov

Valid

Korn & Klug

Carboniferous (Viséan)

Zrigat Formation

 Morocco

A member of the family Trigonoceratidae.

Trocholites chaloupkai[50]

Sp. nov

Valid

Aubrechtová, Turek & Manda

Ordovician (Katian)

Upper Zahořany Formation

 Czech Republic

Uralharuspex[47]

Nom. nov

Valid

Ceccolini & Cianferoni

Carboniferous

 Russia

A replacement name for  Haruspex Shimansky (1968).

Vampyrofugiens[51]

Gen. et sp. nov

Valid

Rowe et al.

Middle Jurassic (Callovian)

La Voulte-sur-Rhône lagerstätte

 France

A member of Vampyromorpha belonging to the group Loligosepiina and the family Geopeltidae. The type species is V. atramentum.

Vestinautilus kesslerae[42]

Sp. nov

Valid

Korn & Klug

Carboniferous (Viséan)

Zrigat Formation

 Morocco

A member of the family Trigonoceratidae.

Other cephalopod research

  • A study on the phylogenetic relationships of belemnites is published by Stevens et al. (2023).[52]
  • Dzyuba et al. (2023) report the discovery of the fossil material of Arcobelus cf. krimholzi from the Jurassic (ToarcianAalenian) strata from the Kuoika kimberlite field (northeastern Siberian Platform, Olenek Uplift), and interpret putative Late Jurassic or Early Cretaceous belemnites from the studied area as possibly of BajocianBathonian age.[53]
  • Evidence from clumped and stable isotopes and trace element data for three specimens from the Valanginian of southern Tibet and Madagascar, interpreted as indicating that Acroteuthis acrei and Duvalia sp. occupied shallower and warmer waters than Hibolithes jaculoides and that the latter belemnite was a fast swimmer that undertook vertical migration in the water column, is presented by Wang et al. (2023).[54]
  • Dernov (2023) reports the preservation of color patterns on conchs of nautiloid cephalopods from the Carboniferous (Moscovian) Kamenskaya Formation (Luhansk Oblast), interpreted as indicative of the presence of disruptive coloration.[55]
  • Wilmsen (2023) redescribes the Coniacian nautilid "Nautilus" sinuatoplicatus and transfers it to the genus Anglonautilus, filling a gap in the fossil record of this genus which was previously unknown from the late Cenomanian to early Campanian.[56]
  • A study aiming to determine the metabolic rates of ammonites and nautiloid cephalopods living at the end of the Cretaceous is published by Tajika et al. (2023), who find that the nautiloid Eutrephoceras had a lower metabolic rate than co-occurring ammonites, and argue that the lower metabolic rate in nautiloids might have been an advantage during the Cretaceous–Paleogene extinction event.[57]
  • Klug et al. (2023) report evidence of preservation of axial nerve cords in specimens of Jurassic cephalopods from France and Germany.[58]
  • Syllipsimopodi bideni, originally described as a member of the clade Vampyropoda, is reinterpreted as a probable junior synonym of Gordoniconus beargulchensis and unlikely to be a vampyropod by Klug et al. (2023);[59] in a subsequent study Whalen & Landman (2023) support the interpretation of S. bideni as distinct from G. beargulchensis, but hint that further analyses might be needed to confirm the hypothesis that it is a vampyropod.[60]
  • Rogov et al. (2023) report the discovery of jaws of decabrachian coleoids from the Toarcian deposits of the Vilyui River basin (Sakha, Russia), representing the first finding of coleoid jaws in the Lower Jurassic strata in Siberia reported to date.[61]
  • Tanabe & Misaki (2023) describe new coleoid fossil material from the Upper Cretaceous Yezo Group (Japan), including a large upper jaw of an indeterminate member of Oegopsida and two lower jaws possibly belonging to members of the species Longibelus matsumotoi, and interpret the anatomy of the studied lower jaws as supporting the interpretation of Longibelus as a relative of Decapodiformes.[62]
  • An assemblage of coleoid cephalopods, including the latest record of Belosaepia blainvillei, is described from the Eocene (Priabonian) Mandrykivka Beds (Ukraine) by Dernov & Demianov (2023).[63]
  • Mironenko (2023) describes phosphatized jaws of cephalopods (mostly coleoids, but also one nautilid specimen) from the Upper Jurassic, Lower and Upper Cretaceous localities in Russia, including jaws likely belonging to large-bodied coleoids.[64]

Bivalves

Name Novelty Status Authors Age Type locality Location Notes Images

Acharax frenademezi[65]

Sp. nov

Valid

Prinoth & Posenato

Permian (Changhsingian)

Bellerophon Formation

 Italy

A member of the family Solemyidae.

Alena[66]

Gen. et sp. nov

Polechová, Zicha & Rak

Ordovician (Sandbian)

Letná Formation

 Czech Republic

A member of Pteriomorphia, possibly belonging to the group Cyrtodontida. The type species is A. pustulosa. The generic name is shared with Alena Navas (1916).

Allemanella[67]

Gen. et comb. nov

Valid

Cooper

Cretaceous

 Argentina
 Chile
 Peru

A member of Trigoniida belonging to the family Rutitrigoniidae and the subfamily Syrotrigoniinae. The type species is "Quoiecchia" sigeli Leanza & Garate Zubillaga (1987); genus also includes "Buchotrigonia" biroi Pérez & Reyes (1986), "Trigonia" boiti Lissón (1930), "Buchotrigonia" chilensis Pérez & Reyes (1986) and "Syrotrigonia" obesa Pérez & Reyes (1997).

Bakevellia (Bakevellia) preromangica[65]

Sp. nov

Valid

Prinoth & Posenato

Permian (Changhsingian)

Bellerophon Formation

 Italy

A member of the family Bakevelliidae.

Bathyisognomon[68]

Gen. et sp. nov

Valid

Hickman

Eocene

Keasey Formation

 United States
( Oregon)

A member of the family Isognomonidae. The type species is B. smithwickensis.

Delectopecten keaseyorum[68]

Sp. nov

Valid

Hickman

Paleogene

Keasey Formation

 United States
( Oregon)

A species of Delectopecten.

Delectopecten kieli[68]

Sp. nov

Valid

Hickman

Paleogene

Keasey Formation

 United States
( Oregon)

A species of Delectopecten.

Earlpackardia methowensis[69]

Sp. nov

Valid

Halligan

Early Cretaceous (Albian)

 United States
( Washington)

A member of Trigoniida belonging to the family Rutitrigoniidae.

Edmondia hautmanni[65]

Sp. nov

Valid

Prinoth & Posenato

Permian (Changhsingian)

Bellerophon Formation

 Italy

A member of the family Edmondiidae.

Etayosernella[67]

Gen. et comb. et sp. nov

Valid

Cooper

Early Cretaceous

 Colombia

A member of Trigoniida belonging to the family Rutitrigoniidae and the subfamily Syrotrigoniinae. The type species is "Trigonia (Laevitrigonia)" scheibei Dietrich (1938); genus also includes new species E. noetlingi.

Etheripecten stuflesseri[65]

Sp. nov

Valid

Prinoth & Posenato

Permian (Changhsingian)

Bellerophon Formation

 Italy

A member of Pectinida belonging to the family Heteropectinidae.

Gardenapecten[65]

Gen. et comb. nov

Valid

Prinoth & Posenato

Permian (Changhsingian)

Bellerophon Formation

 Italy

A member of Pectinida belonging to the superfamily Aviculopectinoidea and the family Asoellidae. The type species is "Pecten (Aviculopecten)" trinkeri Stache (1878); genus also includes "Pecten (Aviculopecten)" comelicanus Stache (1878).

Incagonia[67]

Gen. et comb. nov

Valid

Cooper

Cretaceous

 Peru

A member of Trigoniida belonging to the family Rutitrigoniidae and the subfamily Syrotrigoniinae. The type species is "Trigonia" mathewsi Richards (1947); genus also includes "Trigonia" flexicostata Fritzsche (1924), "Trigonia" forti Lissón (1930), "Trigonia" gerthi Lissón (1930), "Trigonia" inca Fritzsche (1924), "Trigonia" lorentii Dana (1849) and "Trigonia" paradisensis Lissón (1907).

Ionesimactra[70]

Nom. nov

Valid

Signorelli

A member of the family Mactridae; a replacement name for Caspimactra Ionesi. The type species is "Mactra" caspia Eichwald.

Isorropodon humptulipsense[71]

Sp. nov

Valid

Kiel, Amano & Goedert

Eocene

Humptulips Formation

 United States
( Washington)

A member of the family Vesicomyidae.

Ladinomya[65]

Gen. et sp. nov

Valid

Prinoth & Posenato

Permian (Changhsingian)

Bellerophon Formation

 Italy

A member of the superfamily Trigonioidea, the type genus of the new family Ladinomyidae. The type species is L. fosteri.

Leguminaia hedenborgi[72]

Sp. nov

Valid

Schneider & Linse

Pliocene–Pleistocene boundary

Kritika Formation

 Greece

A member of the family Unionidae belonging to the subfamily Gonideinae.

Limopsis squiresi[68]

Sp. nov

Valid

Hickman

Paleogene

Keasey Formation

 United States
( Oregon)

A species of Limopsis.

Lovaralucina[65]

Gen. et sp. nov

Valid

Prinoth & Posenato

Permian (Changhsingian)

Bellerophon Formation

 Italy

A member of the family Lucinidae. The type species is L. covidi.

Lusitanigonia[67]

Gen. et comb. nov

Valid

Cooper

Late Jurassic

 Portugal

A member of Trigoniida belonging to the family Rutitrigoniidae and the subfamily Syrotrigoniinae. The type species is "Trigonia" freixialensis Choffat (1885); genus also includes "Trigonia" kobyi Choffat (1885).

Macomopsis onubensis[73]

Sp. nov

Valid

Brunetti & Della Bella

Pliocene

 Spain

A member of the family Tellinidae.

Macomopsis saccoi[73]

Sp. nov

Valid

Brunetti & Della Bella

Pliocene (Piacenzian)

 Italy

A member of the family Tellinidae.

Matheronia carinata[74]

Sp. nov

Masse, Fenerci-Masse & Bucur

Early Cretaceous (Barremian-Aptian)

 Romania

A rudist bivalve belonging to the family Requieniidae.

Matheronia dacica[74]

Sp. nov

Masse, Fenerci-Masse & Bucur

Early Cretaceous (Barremian)

 Romania

A rudist bivalve belonging to the family Requieniidae.

Matheronia nerae[74]

Sp. nov

Masse, Fenerci-Masse & Bucur

Early Cretaceous (Barremian-Aptian)

 Romania

A rudist bivalve belonging to the family Requieniidae.

Matheronia silvaeregis[74]

Sp. nov

Masse, Fenerci-Masse & Bucur

Early Cretaceous (Aptian)

 Romania

A rudist bivalve belonging to the family Requieniidae.

Meleagrinella golberti[75]

Sp. nov

Valid

Lutikov & Arp

Early Jurassic (Toarcian)

 Canada
 Germany
 Russia
 United Kingdom

A member of the family Oxytomidae. Published online in 2023, but the issue date is listed as December 2022.[75]

Meleagrinella prima[75]

Sp. nov

Valid

Lutikov in Lutikov & Arp

Early Jurassic (Toarcian)

 Russia

A member of the family Oxytomidae. Published online in 2023, but the issue date is listed as December 2022.[75]

Miltha (sensu lato) romaniae[76]

Sp. nov

Valid

Kiel, Sami & Taviani

Miocene

 Italy

A member of the family Lucinidae.

Moerella etrusca[73]

Sp. nov

Valid

Brunetti & Della Bella

Pliocene

 Italy

A member of the family Tellinidae.

Moerella hispanica[73]

Sp. nov

Valid

Brunetti & Della Bella

Pliocene

 Spain

A member of the family Tellinidae.

Nuculoma douvillei[77]

Sp. nov

Valid

Ayoub-Hannaa, Fürsich & Abdelhady

Middle Jurassic (Bathonian to Callovian)

Kehailia Formation

 Egypt

A member of the family Nuculidae.

Nuculoma sinaiensis[77]

Sp. nov

Valid

Ayoub-Hannaa, Fürsich & Abdelhady

Jurassic (Toarcian to lower Kimmeridgian)

Bir Maghara Formation

 Egypt

A member of the family Nuculidae.

Pachygervillia[78]

Gen. et sp. et comb. nov

Valid

Posenato & Crippa

Early Jurassic (Sinemurian–Toarcian)

Rotzo Formation

 Italy

A member of Ostreida belonging to the family Plicatostylidae. The type species is P. anguillaensis; genus also includes "Perna" taramellii Boehm (1884).

Pachytraga carpathica[79]

Sp. nov

Masse, Fenerci-Masse & Bucur

Early Cretaceous (Barremian)

 Romania

A rudist bivalve belonging to the family Caprinidae.

Pachytraga gracilis[80]

Sp. nov

Masse, Frau & Fenerci-Masse

Early Cretaceous (Barremian)

 France

A rudist bivalve belonging to the family Caprinidae.

Palaeolima badiotica[65]

Sp. nov

Valid

Prinoth & Posenato

Permian (Changhsingian)

Bellerophon Formation

 Italy

A member of the family Limidae.

Palaeoneilo aegyptiaca[77]

Sp. nov

Valid

Ayoub-Hannaa, Fürsich & Abdelhady

Jurassic (Bajocian to Bathonian)

Kehailia Formation

 Egypt

A member of Nuculanida belonging the family Cucullellidae.

Parvitrigonia[69]

Gen. et sp. nov

Valid

Halligan

Early Cretaceous (Albian)

 United States
( Washington)

A member of Trigoniida belonging to the family Rutitrigoniidae. The type species is P. cooperi.

Pinna pacata[81]

Sp. nov

Valid

Shilekhin, Mazaev & Biakov

Permian

 Russia

A species of Pinna.

Pleurophopsis thieli[71]

Sp. nov

Valid

Kiel, Amano & Goedert

Oligocene

Makah Formation

 United States
( Washington)

A member of the family Vesicomyidae.

Pliocardia? guthrieorum[71]

Sp. nov

Valid

Kiel, Amano & Goedert

Oligocene

Lincoln Creek Formation

 United States
( Washington)

Possibly a species of Pliocardia.

Promytilus merlai[65]

Sp. nov

Valid

Prinoth & Posenato

Permian (Changhsingian)

Bellerophon Formation

 Italy

A member of the family Mytilidae.

Propeamussium (Parvamussium) mistensis[68]

Sp. nov

Valid

Hickman

Paleogene

Keasey Formation

 United States
( Oregon)

A species of Propeamussium.

Prospondylus shakhtauensis[82]

Sp. nov

Valid

Biakov in Biakov & Mazaev

Permian

 Russia

A member of Pectinida belonging to the family Prospondylidae.

Sisonia ultimoi[76]

Sp. nov

Valid

Kiel, Sami & Taviani

Miocene (Langhian)

 Italy

A bivalve of uncertain affinities.

Squiresica plana[71]

Sp. nov

Valid

Kiel, Amano & Goedert

Oligocene

Lincoln Creek Formation

 United States
( Washington)

A member of the family Vesicomyidae.

Squiresica yooni[71]

Sp. nov

Valid

Kiel, Amano & Goedert

Miocene

Duho Formation

 South Korea

A member of the family Vesicomyidae.

Streblopteria gracilicosta[83]

Sp. nov

Valid

Biakov

Permian

 Russia

A member of Pectinida belonging to the family Streblochondriidae.

Streblopteria parenensis[83]

Sp. nov

Valid

Biakov

Permian

 Russia

A member of Pectinida belonging to the family Streblochondriidae.

Tambanella? stetteneckensis[65]

Sp. nov

Valid

Prinoth & Posenato

Permian (Changhsingian)

Bellerophon Formation

 Italy

A member of the family Bakevelliidae.

Thiadensia[84]

Gen. et comb. nov

Mitchell

Late Cretaceous (Maastrichtian)

 Cuba

A rudist bivalve belonging to the subfamily Radiolitidae. The type species is "Bournonia" planasi Thiadens (1936).

Valenciella[67]

Gen. et comb. nov

Valid

Cooper

Cretaceous

 Egypt
 Lebanon
 Spain

A member of Trigoniida belonging to the family Rutitrigoniidae and the subfamily Syrotrigoniinae. The type species is "Trigonia" picteti Coquand (1863); genus also includes "Trigonia" analoga Douvillé (1916), "Trigonia" depauperata Douvillé (1916), "Trigonia" higazyi Abbass (1962), "Trigonia" loutfyi Abbass (1962), "Trigonia" magharensis Abbass (1962) and "Trigonia" undulatocostata Blanckenhorn (1890).

Vermuntia[84]

Gen. et comb. nov

Mitchell

Late Cretaceous

 Jamaica

A rudist bivalve belonging to the subfamily Radiolitidae. The type species is "Radiolites" macroplicatus Whitfield (1897); genus also includes "Branislavia" stellaplicatus Mitchell & Ramsook (2009).

Volsellina carinata[65]

Sp. nov

Valid

Prinoth & Posenato

Permian (Changhsingian)

Bellerophon Formation

 Italy

A member of the family Mytilidae.

Yuexiconcha[85]

Gen. et sp. nov

Valid

Zhang, Niu & Johnston in Niu et al.

Ordovician

Dongchong Formation

 China

A member of Protobranchia, possibly belonging to the family Nuculidae. The type species is Y. duplicata.

Bivalve research

  • A study on the fossil record of bivalves is published by Zhou et al. (2023), who report that bivalves did not undergo and increase in taxonomic, morphological and functional diversity until the Ordovician, and did not undergo a burst of functional diversity relative to taxonomic diversity even during their Ordovician diversification.[86]
  • A study on the diversification dynamics of bivalves and brachiopods throughout their evolutionary histories is published by Guo et al. (2023), who interpret their findings as indicating that the switch from brachiopods to bivalves as major seabed organisms was unlikely to be caused by competitive exclusion of brachiopods by bivalves, but rather was likely caused by loss of brachiopod diversity in the Permian–Triassic extinction event and by bivalve diversification in the Cretaceous and Cenozoic that wasn't matched by brachiopods.[87]
  • A study on changes of taxonomic and functional diversity of bivalves during the Triassic-Jurassic transition is published by Abdelhady et al. (2023), who consider the sea-level fall causing the destruction of shallower marine habitats to be the primary cause of bivalve extinction in the studied time interval.[88]
  • Description of a new Cenomanian rudist asssemblage from the Gattar Member of the Zebbag Formation (Tunisia), and study on the relationships between the new assemblage and other Cenomanian rudist asssemblages from North Africa and the Levant region, is published by Philip, Negra & Bachari (2023).[89]
  • Özer & Săsăran (2023) reexamine the holotype and paratypes of Lattenbergites hermi, and interpret it as a junior synonym of the radiolitid species Joufia milovanovici.[90]
  • Evidence from fossils from the Pecínov Member of the Peruc–Korycany Formation and from the Bílá Hora Formation (Czech Republic), indicative of changes of the composition of the bivalve assemblages resulting from the Cenomanian-Turonian boundary event, is presented by Kunstmüllerová & Košťák (2023).[91]

Gastropods

Name Novelty Status Authors Age Type locality Location Notes Images

Agathotoma estherae[92]

Sp. nov

Valid

Landau, Harzhauser & Giannuzzi-Savelli

Pliocene

 Spain

A species of Agathotoma.

Akburunella laminaris[93]

Sp. nov

Valid

Guzhov

Miocene

 Russia

Published online in 2023, but the issue date is listed as December 2022.[93]

Akburunella nefanda archaica[93]

Ssp. nov

Valid

Guzhov

Miocene

 Russia

Published online in 2023, but the issue date is listed as December 2022.[93]

Akburunella sinuosa[93]

Sp. nov

Valid

Guzhov

Miocene

 Russia

Published online in 2023, but the issue date is listed as December 2022.[93]

Akburunella spinosa[93]

Sp. nov

Valid

Guzhov

Miocene

 Russia

Published online in 2023, but the issue date is listed as December 2022.[93]

Aliculastrum suratensis[94]

Sp. nov

Banerjee & Halder

Eocene

Cambay Shale

 India

A species of Aliculastrum.

Altadema hausmannae[95]

Sp. nov

Valid

Nützel & Karapunar

Early Triassic

Werfen Formation

 Italy

A member of the family Goniasmatidae.

Alvania praetermissa[96]

Sp. nov

Valid

Landau, Van Dingenen & Ceulemans

Miocene

 France

A species of Alvania.

Ammotectonica[97]

Gen. et sp. et comb. nov

Valid

Harzhauser & Landau

Miocene and Pliocene

 Czech Republic
 Hungary
 Italy

A member of the family Architectonicidae. The type species is A. gregorovae; genus also includes "Solarium" emiliae Semper (1861), "Solarium" deshayesii Michelotti (1847) and "Solarium" soproniense Strausz (1960).

Andonia fosseensis[96]

Sp. nov

Valid

Landau, Van Dingenen & Ceulemans

Miocene

 France

Aspella tusciae[98]

Sp. nov

Valid

Forli, Cresti & Pagli

Pliocene

 Italy

A species of Aspella.

Athleta (Volutospina) baili[99]

Sp. nov

Valid

Pacaud & Ledon

Eocene (Bartonian)

 France

A species of Athleta.

Attiliosa emilyae[100]

Sp. nov

Valid

Lozouet

Oligocene

 France

A species of Attiliosa.

Attiliosa septaspinosa[100]

Sp. nov

Valid

Lozouet

Oligocene

 France

A species of Attiliosa.

Attiliosa subgretae[100]

Sp. nov

Valid

Lozouet

Oligocene

 France

A species of Attiliosa.

Bela obesoiberica[92]

Sp. nov

Valid

Landau, Harzhauser & Giannuzzi-Savelli

Pliocene

 Spain

A species of Bela.

Bela olivoidea[92]

Sp. nov

Valid

Landau, Harzhauser & Giannuzzi-Savelli

Pliocene

 Spain

A species of Bela.

Bernaya kaylinae[101]

Sp. nov

Valid

Squires & Groves

Eocene

Llajas Formation

 United States
( California)

A species of Bernaya.

Bittium miradouroense[102]

Sp. nov

Valid

Sacchetti, Landau & Ávila

Pliocene

 Portugal
( Azores)

A species of Bittium.

Bizetiella attiliosaformis[100]

Sp. nov

Valid

Lozouet

Miocene

 France

A species of Bizetiella.

Bolma redoniana[96]

Nom. nov

Valid

Landau, Van Dingenen & Ceulemans

Miocene

 France

A species of Bolma; a replacement name for Turbo trochleatus Millet.

Brachystomia succineiformis[93]

Sp. nov

Valid

Guzhov

Miocene

 Russia

A species of Brachystomia. Published online in 2023, but the issue date is listed as December 2022.[93]

Caecum roederi[103]

Sp. nov

Valid

Raines, Powell & LaFollette

Miocene

 United States
( California)

A species of Caecum.

Calagrassor mathiasi[104]

Sp. nov

Valid

Kovács, Leél-Őssy & Vicián

Miocene

Pétervására Formation

 Hungary

A species of Calagrassor.

Calliostoma nandori[104]

Sp. nov

Valid

Kovács, Leél-Őssy & Vicián

Miocene

Pétervására Formation

 Hungary

A species of Calliostoma.

Calotrophon vaporosus[100]

Sp. nov

Valid

Lozouet

Oligocene

 France

A species of Calotrophon.

Carychium nashuaense[105]

Sp. nov

Valid

Jochum, Lee & Portell in Jochum et al.

Early Pleistocene

Nashua Formation

 United States
( Florida)

A species of Carychium.

Cerithiella bisulcata[96]

Sp. nov

Valid

Landau, Van Dingenen & Ceulemans

Miocene

 France

A species of Cerithiella.

Chauvetia brunettii[106]

Sp. nov

Valid

Landau & Micali

Pliocene

 Italy
 Spain

A species of Chauvetia.

Chauvetia fenestrata[106]

Sp. nov

Valid

Landau & Micali

Pliocene (Piacenzian)

 Spain

A species of Chauvetia.

Chauvetia fortiornata[106]

Sp. nov

Valid

Landau & Micali

Pliocene (Piacenzian)

 Spain

A species of Chauvetia.

Chauvetia hoffmani[106]

Sp. nov

Valid

Landau & Micali

Pliocene (Piacenzian)

 Spain

A species of Chauvetia.

Chauvetia janseni[106]

Sp. nov

Valid

Landau & Micali

Pliocene (Piacenzian)

 Spain

A species of Chauvetia.

Chauvetia obesa[106]

Sp. nov

Valid

Landau & Micali

Pliocene (Piacenzian)

 Spain

A species of Chauvetia.

Chauvetia oliveri[106]

Sp. nov

Valid

Landau & Micali

Pliocene (Piacenzian)

 Spain

A species of Chauvetia.

Chauvetia pseudopelorcei[106]

Sp. nov

Valid

Landau & Micali

Pliocene (Piacenzian)

 Spain

A species of Chauvetia.

Chauvetia sinuosa[106]

Sp. nov

Valid

Landau & Micali

Pliocene (Piacenzian)

 Spain

A species of Chauvetia.

Chauvetia solida[106]

Sp. nov

Valid

Landau & Micali

Pliocene (Piacenzian)

 Spain

A species of Chauvetia.

Chauvetia spinosa[106]

Sp. nov

Valid

Landau & Micali

Pliocene (Piacenzian)

 Spain

A species of Chauvetia.

Chesathais pungoensis[107]

Sp. nov

Valid

Petuch & Berschauer

Miocene

Pungo River Formation

 United States
( North Carolina)

Chicoreus marcominii[100]

Sp. nov

Valid

Lozouet

Miocene

 France

A species of Chicoreus.

Chicoreus sacyi[100]

Sp. nov

Valid

Lozouet

Oligocene

 France

A species of Chicoreus.

Cingulina eamesi[94]

Sp. nov

Banerjee & Halder

Eocene

Cambay Shale

 India

A species of Cingulina.

Cirsotrema kokayi[104]

Sp. nov

Valid

Kovács, Leél-Őssy & Vicián

Miocene

Pétervására Formation

 Hungary

A species of Cirsotrema.

Clanculus s. l. gulyasi[104]

Sp. nov

Valid

Kovács, Leél-Őssy & Vicián

Miocene

Pétervására Formation

 Hungary

A member of the family Trochidae.

Clavatula s. l. barnabasi[104]

Sp. nov

Valid

Kovács, Leél-Őssy & Vicián

Miocene

Pétervására Formation

 Hungary

A member of the family Clavatulidae.

Clavatula s. l. istvani[104]

Sp. nov

Valid

Kovács, Leél-Őssy & Vicián

Miocene

Pétervására Formation

 Hungary

A member of the family Clavatulidae.

"Clavatula" pettkoi[108]

Sp. nov

Valid

Biskupič

Miocene

Studienka Formation

 Slovakia

A member of the family Clavatulidae.

Conomurex indica[109]

Sp. nov

Valid

Bose, Das & Saha

Miocene

Dwarka Basin

 India

A species of Conomurex.

Conotomaria dovilleae[110]

Sp. nov

Valid

Chaix & Grenier

Late Cretaceous (Campanian)

 France

A member of the family Pleurotomariidae.

Conotomaria pilonae[110]

Sp. nov

Valid

Chaix & Grenier

Late Cretaceous (Campanian)

 France

A member of the family Pleurotomariidae.

Cornirostra anistratenkorum umbilicaris[93]

Ssp. nov

Valid

Guzhov

Miocene

 Russia

Published online in 2023, but the issue date is listed as December 2022.[93]

Cossmannina australis[111]

Sp. nov

Ferrari

Early Jurassic (Pliensbachian)

Lepá Formation

 Argentina

A member of Acteonoidea belonging to the family Tubiferidae.

Costoanachis haurzhauseri[96]

Sp. nov

Valid

Landau, Van Dingenen & Ceulemans

Miocene

 France

A species of Costoanachis.

Costoanachis malaquiasi[112]

Sp. nov

Valid

Landau, Harzhauser & Monsecour

Pliocene (Piacenzian)

 Spain

A species of Costoanachis.

Costosyrnola taptiensis[94]

Sp. nov

Banerjee & Halder

Eocene

Cambay Shale

 India

A species of Costosyrnola.

Cylichna (Cylichna) ypresiana[94]

Sp. nov

Banerjee & Halder

Eocene

Cambay Shale

 India

A species of Cylichna.

Cylindrobullina caquelensis[111]

Sp. nov

Ferrari

Early Jurassic (Pliensbachian)

Lepá Formation

 Argentina

A member of Acteonoidea belonging to the family Cylindrobullinidae.

Cymia (sensu lato) praecaerulea[100]

Sp. nov

Valid

Lozouet

Oligocene

 France

A member of the family Muricidae.

Cymia (sensu lato) subcaerulea[100]

Sp. nov

Valid

Lozouet

Oligocene

 France

A member of the family Muricidae.

Cypraedia misrensis[113]

Nom. nov

Valid

Pacaud

Eocene (Bartonian)

 Egypt

A member of the family Ovulidae; a replacement name for Cypraea (Cypraedia) arabica Cuvillier (1935).

Dentimargo barnai[104]

Sp. nov

Valid

Kovács, Leél-Őssy & Vicián

Miocene

Pétervására Formation

 Hungary

A species of Dentimargo.

Dilatilabrum mahalonobisi[109]

Sp. nov

Valid

Bose, Das & Saha

Miocene

Dwarka Basin

 India

Echinophoria statioliteralis[114]

Sp. nov

Darragh

 Australia

A species of Echinophoria.

Ecphora (Powhatan) grulkei[107]

Sp. nov

Valid

Petuch & Berschauer

 United States

A species of Ecphora.

Ecphora roxaneae dalli[107]

Ssp. nov

Valid

Petuch & Berschauer

Goose Creek Limestone

 United States
( South Carolina)

Edrozeba[93]

Gen. et 4 sp. et comb. nov

Valid

Guzhov

Miocene

 Russia

A member of the family Hydrobiidae. The type species is E. caeca; genus also includes new species E. angulata, E. minuta and E. striata, as well as "Hydrobia" enikalensis Kolesnikov (1935). Published online in 2023, but the issue date is listed as December 2022.[93]

Ellobium kerwaense[115]

Sp. nov

Valid

Harzhauser, Pacaud & Landau

Oligocene (Chattian)

Mány Formation

 Hungary

A species of Ellobium.

Eocypraea judithsmithae[101]

Sp. nov

Valid

Groves & Squires

Eocene

Llajas Formation

 United States
( California)

A member of the family Eocypraeidae.

Eoellobium[115]

Gen. et comb. nov

Valid

Harzhauser, Pacaud & Landau

Eocene (Bartonian)

 France

A member of the family Ellobiidae. The type species is "Auricula" heberti Vasseur (1881); genus also includes "Melampus" britannus Vasseur (1882) and "Auricula" simplex Cossmann (1895).

Eopterodonta[116]

Nom. nov

Valid

Pacaud

Late Cretaceous

 France

A member of the family Tylostomatidae; a replacement name for Pterodonta d'Orbigny (1843).

Erato mayeri[102]

Sp. nov

Valid

Sacchetti, Landau & Ávila

Pliocene

 Portugal
( Azores)

A species of Erato.

Euspira? louiemarincovichi[117]

Sp. nov

Powell & Dineen

Pleistocene (Gelasian)

Gubik Formation

 United States
( Alaska)

Possibly a species of Euspira.

Falsipyrgula ? coronata[118]

Sp. nov

Valid

Neubauer & Wesselingh

Pleistocene (Gelasian)

Kolankaya Formation

 Turkey

A member of the family Hydrobiidae.

Favartia faviai[100]

Sp. nov

Valid

Lozouet

Miocene

 France

A species of Favartia.

Galeodea fuscirivularis[114]

Sp. nov

Darragh

 Australia

A species of Galeodea.

Galeodea goudeyi[114]

Sp. nov

Darragh

 Australia

A species of Galeodea.

Gibbula kralli[104]

Sp. nov

Valid

Kovács, Leél-Őssy & Vicián

Miocene

Pétervására Formation

 Hungary

A species of Gibbula.

Glabrocingulum (Stenozone) heminodosus[119]

Sp. nov

Pinilla & Taboada

Permian

Pampa de Tepuel Formation

 Argentina

A member of the family Eotomariidae.

Globecphora mardieae[107]

Sp. nov

Valid

Petuch & Berschauer

 United States

Globulocerithium[120]

Gen. et nom. nov

Valid

Pacaud

Paleogene

 Belgium
 France
 Germany
 Hungary
 Italy
 Poland
 Ukraine

A member of the family Cerithiidae. The type species is "Cerithium" globulosus Deshayes (1833); genus also includes "Cerithium" coezi Boussac (1911), "Cerithium" dallagonis Oppenheim (1894), "Cerithium" felix Deshayes (1864), "Cerithium" filifer Deshayes (1833), "Cerithium" filigrana von Koenen (1891), "Cerithium" guilielmi de Raincourt (1877), "Cerithium" intradentatum Deshayes (1864), "Cerithium" meneghinii Michelotti (1861), "Potamides" montense Briart & Cornet (1873), "Cerithium" petrafixense Cossmann & Lambert (1884), "Cerithium" piriforme Defrance (1817), "Cerithium" semicostatum Deshayes (1833), "Cerithium" tenuistriatum Melleville (1843), "Cerithium" tournissanense Doncieux (1908), "Cerithium" tumidum Braun in Walchner (1851), "Cerithium" vandenheckei Bellardi (1852), "Pyrazus" vignyensis Bouniol (1981) and Globulocerithium nautagarona (a replacement name for Cerithium coloniae Leymerie, 1878).

Graecoanatolica alcicekorum[118]

Sp. nov

Valid

Neubauer & Wesselingh

Pleistocene (Gelasian)

Kolankaya Formation

 Turkey

A species of Graecoanatolica.

Hartmutix[121]

Gen. et comb. nov

Valid

Neubauer & Harzhauser

Eocene

 France

Possibly a member of the family Sphinterochilidae. The type species is "Helix" edwardsi Deshayes (1863).

Harzhauseria[118]

Gen. et sp. nov

Valid

Neubauer & Wesselingh

Pleistocene (Gelasian)

Kolankaya Formation

 Turkey

A member of the family Hydrobiidae. The type species is H. schizopleura.

Hastula wilmulderae[122]

Sp. nov

Valid

Landau & Harzhauser

Pliocene (Piacenzian)

 Spain

A species of Hastula.

Heliacus globosus[97]

Sp. nov

Valid

Harzhauser & Landau

Miocene

Baden Formation

 Austria

A species of Heliacus.

Helix kadolskyi[121]

Nom. nov

Valid

Neubauer & Harzhauser

Miocene

 Bulgaria

A species of Helix; a replacement name for Helix toulai Kojumdgieva (1969)

Hemithersitea kanerus[109]

Sp. nov

Valid

Bose, Das & Saha

Miocene

Dwarka Basin

 India

Hemithersitea nadharus[109]

Sp. nov

Valid

Bose, Das & Saha

Miocene

Dwarka Basin

 India

Hydrobia neofrauenfeldi[93]

Sp. nov

Valid

Guzhov

Miocene

 Russia

A species of Hydrobia. Published online in 2023, but the issue date is listed as December 2022.[93]

Inella bentae[123]

Sp. nov

Valid

Landau, Bakker & Marques da Silva

Pliocene

Estepona Basin

 Spain

A species of Inella.

Iraklimelania minutissima[118]

Sp. nov

Valid

Neubauer & Wesselingh

Pleistocene (Gelasian)

Kolankaya Formation

 Turkey

A member of the family Hydrobiidae.

Iraklimelania submediocarinata[118]

Sp. nov

Valid

Neubauer & Wesselingh

Pleistocene (Gelasian)

Kolankaya Formation

 Turkey

A member of the family Hydrobiidae.

Islamiella[124]

Gen. et 2 sp. nov

Valid

Guzhov

Miocene

 Russia
( Adygea)

A member of the family Hydrobiidae. Genus includes I. miocenica and I. maeotica.

Kantoria[125]

Gen. et comb. et sp. nov

Valid

Landau & Harzhauser

Miocene and Pliocene

 Austria
 Italy
 Spain

A member of the family Pseudomelatomidae. The type species is "Pleurotoma" coquandi Bellardi (1847); genus also includes new species K. castoris, as well as "Pleurotoma" lamarckii Michelotti (1847), "Knefastia" sinuslata Vera-Peláez (2002) and "Comitas" catherinae Vera-Peláez (2022).

Laschmaspira lirata[95]

Sp. nov

Valid

Nützel & Karapunar

Late Triassic (Carnian)

Hallstatt Limestone

 Austria

A member of the family Goniasmatidae.

Lagunaspira[119]

Gen. et sp. nov

Pinilla & Taboada

Permian

Pampa de Tepuel Formation

 Argentina

A member of the family Eotomariidae. The type species is L. labrocostellata.

Leucotina costata[126]

Sp. nov

Valid

Guzhov

Miocene

 Russia
( Adygea)

A species of Leucotina

Leucotina excussa[126]

Sp. nov

Valid

Guzhov

Miocene

 Russia
( Adygea)

A species of Leucotina

Leucotina ovata[126]

Sp. nov

Valid

Guzhov

Miocene

 Russia
( Adygea)

A species of Leucotina

Leucotina ovatoides[126]

Sp. nov

Valid

Guzhov

Miocene

 Russia
( Adygea)

A species of Leucotina

Mangelia pseudoceddaensis[92]

Sp. nov

Valid

Landau, Harzhauser & Giannuzzi-Savelli

Pliocene

 Spain

A species of Mangelia.

Mcleanarene[127]

Gen. et nom. nov

Valid

Pacaud

Late Cretaceous (Campanian)

 Spain

A member of the family Areneidae. The type species is M. taluniya (a replacement name for Arene mcleani Kiel & Bandel, 2002).

Megastomia canaliculata[94]

Sp. nov

Banerjee & Halder

Eocene

Cambay Shale

 India

A species of Megastomia.

Megastomia carinata[94]

Sp. nov

Banerjee & Halder

Eocene

Cambay Shale

 India

A species of Megastomia.

Mitrella avilai[112]

Sp. nov

Valid

Landau, Harzhauser & Monsecour

Pliocene (Piacenzian)

 Spain

A species of Mitrella.

Mitrella pagodiformis[112]

Sp. nov

Valid

Landau, Harzhauser & Monsecour

Pliocene (Piacenzian)

 Spain

A species of Mitrella.

Mitrella soveri[128]

Sp. nov

Valid

Kovács & Vicián

Miocene

 Hungary

A species of Mitrella.

Mitrella velerinensis[112]

Sp. nov

Valid

Landau, Harzhauser & Monsecour

Pliocene (Piacenzian)

 Spain

A species of Mitrella.

Monteiroconus strauszi[129]

Sp. nov

Valid

Kovács & Vicián

Miocene

Lajta Limestone Formation

 Hungary

A member of the family Conidae.

Morula (sensu lato) duplex[100]

Sp. nov

Valid

Lozouet

Oligocene

 France

A member of the family Muricidae.

Nipteraxis deformatus[97]

Sp. nov

Valid

Harzhauser & Landau

Miocene

Baden Formation

 Austria

Nucella demouthae[130]

Sp. nov

Valid

Powell, Roth & Garcia

Miocene

Wilson Grove Formation

 United States
( California)

A species of Nucella.

Ocenebra pseudoexcoelata[100]

Sp. nov

Valid

Lozouet

Oligocene

 France

A species of Ocenebra.

Ocenebra tarusatensis[100]

Sp. nov

Valid

Lozouet

Oligocene

 France

A species of Ocenebra.

Ocinebrina deaki[104]

Sp. nov

Valid

Kovács, Leél-Őssy & Vicián

Miocene

Pétervására Formation

 Hungary

A species of Ocinebrina.

Odostomia caucasica[93]

Sp. nov

Valid

Guzhov

Miocene

 Russia

A species of Odostomia. Published online in 2023, but the issue date is listed as December 2022.[93]

Odostomia concavata[94]

Sp. nov

Banerjee & Halder

Eocene

Cambay Shale

 India

A species of Odostomia.

Ophieulima ligeriana[96]

Sp. nov

Valid

Landau, Van Dingenen & Ceulemans

Miocene

 France

A species of Ophieulima.

Ormastralium erazmusi[104]

Sp. nov

Valid

Kovács, Leél-Őssy & Vicián

Miocene

Pétervására Formation

 Hungary

A member of the family Turbinidae.

Orthonychia yutaroi[131]

Sp. nov

Valid

Ebbestad in Nützel et al.

Ordovician (Katian)

Boda Limestone

 Sweden

A member of the family Orthonychiidae.

Oxymeris transleithana[132]

Sp. nov

Valid

Harzhauser & Landau

Miocene

Lajta Formation

 Austria
 Hungary

A species of Oxymeris.

Palaeoglandina turolensis[133]

Sp. nov

Valid

Albesa & Neubauer

Miocene (Tortonian) and Pliocene (Zanclean)

Teruel Basin

 Spain

A member of the family Spiraxidae belonging to the subfamily Euglandininae.

Palazzia omalogyroides[96]

Sp. nov

Valid

Landau, Van Dingenen & Ceulemans

Miocene

 France

A species of Palazzia.

Palmoliva[134]

Gen. et comb. nov

Valid

Allmon & Friend

Eocene

 United States

A member of the family Ancillariidae. Genus includes "Ancillaria" tenera Conrad and Ancillaria scamba Conrad.

Patagorbitestella leonensis[135]

Sp. nov

Valid

Di Luca, Griffin & Pastorino

Miocene

Monte León Formation

 Argentina

A member of the family Orbitestellidae.

Peringia tarkhanica[124]

Sp. nov

Valid

Guzhov

Miocene

 Russia
( Krasnodar Krai)

A species of Peringia.

Pictarene[127]

Gen. et nom. nov

Valid

Pacaud

Paleocene (Danian)

 Denmark

A member of the family Areneidae. The type species is Pictarene faxensis (a replacement name for Delphinula (Pseudoninella) depressa Ravn, 1933).

Pisania klaudiae[128]

Sp. nov

Valid

Kovács & Vicián

Miocene

 Hungary

A species of Pisania.

Pomatiasia[93]

Gen. et comb. nov

Valid

Guzhov

Miocene

 Russia

A member of the family Hydrobiidae. Genus includes "Amnicola" cyclostomoides Sinzov (1880). Published online in 2023, but the issue date is listed as December 2022.[93]

Ponderia chattica[100]

Sp. nov

Valid

Lozouet

Oligocene

 France

A species of Ponderia.

Probaicalia okurai[136]

Sp. nov

In press

Isaji

Early Cretaceous (Barremian)

Itsuki Formation

 Japan

Pseudosimnia javanensis[137]

Sp. nov

Valid

Celzard & Dovesi

Miocene

 Indonesia

A species of Pseudosimnia.

Pseudotorinia grasemanni[97]

Sp. nov

Valid

Harzhauser & Landau

Miocene

Baden Formation

 Austria
 Bulgaria
 Hungary

A species of Pseudotorinia.

Pseudotuba[97]

Gen. et comb. nov

Valid

Harzhauser & Landau

Eocene to Miocene

 Austria
 France
 Hungary
 Italy
 Romania
 United Kingdom

A member of the family Mathildidae. The type species is Tuba sulcata var. badensis Sacco (1895), raised to the rank of the species P. badensis; genus also includes "Cyclostoma" cancellata Grateloup (1828), "Tuba" pedemontana Sacco (1895), "Turbo" bellardii d'Orbigny (1852), "Littorina" cyclostomoides Deshayes (1861), "Tuba" elatospira Cossmann (1907) and "Turbo" sculptus Sowerby (1823).

Pterynotus poustagnacensis[100]

Sp. nov

Valid

Lozouet

Oligocene

 France

A species of Pterynotus.

Pupisoma (Ptychopatula) schaeferi[138]

Sp. nov

Valid

Kadolsky

Miocene

 Germany

A species of Pupisoma.

Purpurellus aquitanicus[100]

Sp. nov

Valid

Lozouet

Oligocene and Miocene

 France

A species of Purpurellus.

Pustulosia[139]

Gen. et comb. nov

Valid

Harzhauser, Guzhov & Landau

Miocene

 Ukraine

A member of the family Batillariidae. The type species is "Cerithium" submitrale Eichwald (1851); genus also includes "Cerithium" hornense Schaffer (1912).

Putzeysia diversii[76]

Sp. nov

Valid

Kiel, Sami & Taviani

Miocene (Langhian to Tortonian)

 Italy

A Putzeysia.

Ringicula costata chokrakensis[140]

Ssp. nov

Valid

Guzhov

Miocene

 Russia

Published online in 2023, but the issue date is listed as December 2022.[140]

Ringicula costata paratethica[140]

Ssp. nov

Valid

Guzhov

Miocene

 Russia

Published online in 2023, but the issue date is listed as December 2022.[140]

Ringicula guzhovi[141]

Nom. nov

Valid

Landau, Harzhauser & Malaquias

Miocene

A species of Ringicula; a replacement name for Voluta exilis Eichwald (1829).

Ringicula knolli[94]

Sp. nov

Banerjee & Halder

Eocene

Cambay Shale

 India

A species of Ringicula.

Ringicula subglobosa[140]

Sp. nov

Valid

Guzhov

Miocene

 Russia

A species of Ringicula. Published online in 2023, but the issue date is listed as December 2022.[140]

Rissoa federicoi[142]

Nom. nov

Valid

Kovács & Stein

Miocene

Vienna Basin

 Austria

A species of Rissoa; a replacement name for Rissoia (Turboella) acuticosta Sacco (1895).

Sconsia landaui[104]

Sp. nov

Valid

Kovács, Leél-Őssy & Vicián

Miocene

Pétervására Formation

 Hungary

A species of Sconsia.

Setia minutissima[96]

Sp. nov

Valid

Landau, Van Dingenen & Ceulemans

Miocene

 France

A species of Setia.

Simplexollata[97]

Gen. et sp. et comb. nov

Valid

Harzhauser & Landau

Oligocene to Pleistocene

 Austria
 Bulgaria
 Czech Republic
 France
 Germany
 Greece
 Hungary
 Italy
 France
 Netherlands
 Poland
 Romania

A member of the family Architectonicidae. The type species is S. anticollata; genus also includes "Solarium" carocollatum Lamarck (1822), "Solarium" simplex Bronn (1831), "Solarium" gratteloupi d'Orbigny (1852), "Solarium" stephanense Cossmann & Peyrot (1919), "Solarium" carocollatosimplex Sacco (1892) and "Architectonica" ariei Wienrich (2007).

Siphoecphora gerrardi[107]

Sp. nov

Valid

Petuch & Berschauer

Miocene

Pungo River Formation

 United States
( North Carolina)

Skeneoides karrineae[96]

Sp. nov

Valid

Landau, Van Dingenen & Ceulemans

Miocene

 France

A species of Skeneoides.

Solatisonax pozsgayae[104]

Sp. nov

Valid

Kovács, Leél-Őssy & Vicián

Miocene

Pétervására Formation

 Hungary

A species of Solatisonax.

Solatisonax tavianii[97]

Sp. nov

Valid

Harzhauser & Landau

Miocene

Dej Formation

 Romania

A species of Solatisonax.

Solatisonax? transversa[97]

Sp. nov

Valid

Harzhauser & Landau

Miocene

Dej Formation

 Hungary
 Romania

Possibly a species of Solatisonax.

Sorgenfreispira planicostata[92]

Sp. nov

Valid

Landau, Harzhauser & Giannuzzi-Savelli

Pliocene

 Spain

A species of Sorgenfreispira.

Subepona leahae[101]

Sp. nov

Valid

Squires & Groves

Eocene

Llajas Formation

 United States
( California)

A species of Subepona.

Sulcoactaeon fallax[143]

Sp. nov

Valid

Blagovetshenskiy

Early Cretaceous

 Russia

Sulcoactaeon gerassimovi[143]

Sp. nov

Valid

Blagovetshenskiy

Early Cretaceous

 Russia

Sulcoactaeon insuetus[143]

Sp. nov

Valid

Blagovetshenskiy

Early Cretaceous

 Russia

Sulcoactaeon kremenkensis[143]

Sp. nov

Valid

Blagovetshenskiy

Early Cretaceous

 Russia

Sulcoactaeon polivnensis[143]

Sp. nov

Valid

Blagovetshenskiy

Early Cretaceous

 Russia

Sulcoactaeon rotundus[143]

Sp. nov

Valid

Blagovetshenskiy

Early Cretaceous

 Russia

Sulcoactaeon shumilkini[143]

Sp. nov

Valid

Blagovetshenskiy

Early Cretaceous

 Russia

Sulcoactaeon simbirskensis[143]

Sp. nov

Valid

Blagovetshenskiy

Early Cretaceous

 Russia

Suluspira gallica[96]

Sp. nov

Valid

Landau, Van Dingenen & Ceulemans

Miocene

 France

A species of Suluspira.

Tacheocampylaea fornacis[144]

Sp. nov

Valid

Esu & Girotti

Pleistocene

 Italy

A species of Tacheocampylaea.

Teiichispira teresae[145]

Sp. nov

Valid

Bertero, Ferrari & Carrera

Ordovician

San Juan Formation

 Argentina

A member of the family Macluritidae.

Terebra golebiowskii[132]

Sp. nov

Valid

Harzhauser & Landau

Miocene

Baden Formation

 Austria

A species of Terebra.

Terebra henkmulderi[122]

Sp. nov

Valid

Landau & Harzhauser

Pliocene (Piacenzian)

 Spain

A species of Terebra.

Terebra praehistrio[122]

Sp. nov

Valid

Landau & Harzhauser

Pliocene (Piacenzian)

 Spain

A species of Terebra.

Textiliomurex problematicus[100]

Sp. nov

Valid

Lozouet

Oligocene

 France

A member of the family Muricidae.

Theodisca[139]

Gen. et comb. nov

Harzhauser, Guzhov & Landau

Miocene to Pleistocene

 Austria

A member of the family Potamididae. The type species is "Cerithium" theodiscum Rolle (1856); genus also includes "Cerithium" cicur Zhizhchenko (1934), "Potamides" biseriatus Friedberg (1914), "Potamides" azerbajdjanicus K. A. Ali-Zade (1940), "Cerithium" graecum Deshayes (1832) and "Cerithium" etruscum Mayer (1864). The generic name is shared with Theodisca Müller (1858).

Timbellus cailloelensis[146]

Sp. nov

Valid

Ledon et al.

Eocene (Lutetian)

 France

A species of Timbellus.

Timbellus hesdinensis[146]

Sp. nov

Valid

Ledon et al.

Eocene (Lutetian)

 France

A species of Timbellus.

Timbellus wozniaki[146]

Sp. nov

Valid

Ledon et al.

Eocene (Lutetian)

 France

A species of Timbellus.

Toroidia tavianii[147]

Sp. nov

Valid

Micali & Villari

Plio-Pleistocene

 Italy

Triphora (sensu lato) freixiensis[123]

Sp. nov

Valid

Landau, Bakker & Marques da Silva

Pliocene

Mondego Basin

A member of the family Triphoridae.

Trisecphora governorensis[107]

Sp. nov

Valid

Petuch & Berschauer

Miocene

Calvert Formation

 United States
( Maryland)

A species of Trisecphora.

Trisecphora precursor[107]

Sp. nov

Valid

Petuch & Berschauer

Miocene

Pungo River Formation

 United States
( North Carolina)

A species of Trisecphora.

Trisecphora (Recurvecphora) recurvicostata[107]

Sp. nov

Valid

Petuch & Berschauer

Miocene

Pungo River Formation

 United States
( North Carolina)

A species of Trisecphora.

Tritia bagolyensis[128]

Sp. nov

Valid

Kovács & Vicián

Miocene

 Hungary

A species of Tritia.

Tritia domonkosi[128]

Sp. nov

Valid

Kovács & Vicián

Miocene

 Hungary

A species of Tritia.

Tritia gerdsteini[128]

Sp. nov

Valid

Kovács & Vicián

Miocene

 Hungary

A species of Tritia.

Tritia letkesensis[128]

Sp. nov

Valid

Kovács & Vicián

Miocene

 Hungary

A species of Tritia.

Trubatsa larratensis[100]

Sp. nov

Valid

Lozouet

Oligocene

 France

A species of Trubatsa.

Trubatsa subaturensis[100]

Sp. nov

Valid

Lozouet

Oligocene

 France

A species of Trubatsa.

Trubatsa trounensis[100]

Sp. nov

Valid

Lozouet

Oligocene

 France

A species of Trubatsa.

Turritellinella devinensis[148]

Sp. nov

Valid

Biskupič

Miocene

Studienka Formation

 Slovakia

A member of the family Turritellidae.

Umbilia tomdarraghi[149]

Sp. nov

Valid

Southgate & Militz

Pliocene

 Australia

A species of Umbilia.

Vexiguraleus iberoangulatus[92]

Sp. nov

Valid

Landau, Harzhauser & Giannuzzi-Savelli

Pliocene

 Spain

A member of the family Mangeliidae.

Xamaycarene[127]

Gen. et comb. nov

Valid

Pacaud

Late Cretaceous (Maastrichtian)

Shaw Castle Shale

 Jamaica

A member of the family Areneidae. The type species is "Arene" truncatosphaera Sohl (1998).

Xestopyrguloides ? sagitta[118]

Sp. nov

Valid

Neubauer & Wesselingh

Pleistocene (Gelasian)

Kolankaya Formation

 Turkey

A member of the family Hydrobiidae.

Zafrona olgapirosae[128]

Sp. nov

Valid

Kovács & Vicián

Miocene

 Hungary

A species of Zafrona.

Gastropod research

  • Review of the world-wide fossil record and evolutionary history of freshwater gastropods is published by Neubauer (2023).[150]
  • A study on the biogeographic distributions of pleurotomariids throughout their evolutionary history from Maastrichtian to Holocene is published by Bose, Das & Mondal (2023).[151]
  • A study on the diversity of potamidids and batillariids in the Paratethys through time is published by Harzhauser et al. (2023), who interpret the studied groups as a whole not to be mangrove indicators, and find only members of the genera Mesohalina, Ptychopotamides, Terebralia and probably Tiarapirenella to be associated with mangroves during the Oligocene to early Middle Miocene in the Central Paratethys, while other members of the studied groups adapted to environments devoid of mangroves.[152]
  • Revision and study on the affinities of the Plio-Pleistocene turritellids from the Atlantic Coastal Plain and Florida is published by Friend et al. (2023).[153]

Other molluscs

Name Novelty Status Authors Age Type locality Location Notes Images

Celtopileus[154]

Gen. et sp. nov

Valid

Cope & Ebbestad

Ordovician (Floian)

Ogof Hen Formation

 United Kingdom

A member of Tergomya belonging to the group Kirengellida and possibly to the family Hypseloconidae. The type species is C. calvapex.

Costulaconus[154]

Gen. et sp. nov

Valid

Cope & Ebbestad

Ordovician (Floian)

Ogof Hen Formation

 United Kingdom

A member of Tergomya belonging to the group Kirengellida and possibly to the family Hypseloconidae. The type species is C. mirificus.

Eotebenna danica[155]

Sp. nov

Valid

Peel & Berg-Madsen

Cambrian (Drumian and Guzhangian)

Andrarum Limestone

 Denmark
 Sweden

A member of Helcionelloida belonging to the family Yochelcionellidae.

Hensoniconus[156]

Gen. et comb. nov

Valid

Peel

Cambrian (Wuliuan)

Henson Gletscher Formation

 Greenland

A member of Helcionelloida. The type species is Scenella? siku Peel & Kouchinsky (2022).

Incisiochiton pustulifer[157]

Sp. nov

Valid

Sirenko & Dell'Angelo

Paleocene

Luzanovka Beds

 Ukraine

A chiton belonging to the family Schizochitonidae.

Proplina areniga[154]

Sp. nov

Valid

Cope & Ebbestad

Ordovician (Floian)

Ogof Hen Formation

 United Kingdom

A member of Tergomya belonging to the group Tryblidiida and to the family Proplinidae.

Proplina? obtusa[154]

Sp. nov

Valid

Cope & Ebbestad

Ordovician (Floian)

Ogof Hen Formation

 United Kingdom

A member of Tergomya belonging to the group Tryblidiida and to the family Proplinidae.

Other mollusc research

  • Qiang et al. (2023) describe new fossil material of Anabarella plana from the Cambrian Yanjiahe Formation (China), and consider A. plana to be the only member of the genus Anabarella definitely present in South China.[158]

General research

  • Slater (2023) describes microscopic molluscan radulae from the Cambrian (Wuliuan) Borgholm Formation (Sweden), similar to the radulae of extant gastropods specialized for piercing and sucking the tissues of green algae, and interpret this finding as indicating that this form of herbivory was already present among Cambrian molluscs.[159]
  • Fossil material representing the first evidence of gastropod drilling predation on molluscan prey from Coniacian is reported from the Anaipadi Member of the Garudamangalam Formation (India) by Mukhopadhyay et al. (2023).[160]
  • A diverse molluscan assemblage dominated by turritellid gastropods from Kachchh (India), originally interpreted as Late Jurassic in age, is reinterpreted as more likely Miocene in age by Fürsich et al. (2023).[161]

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  54. Wang, T.; Hoffmann, R.; He, S.; Zhang, Q.; Li, G.; Randrianaly, H. N.; Xie, J.; Yue, Y.; Ding, L. (2023). "Early Cretaceous climate for the southern Tethyan Ocean: Insights from the geochemical and paleoecological analyses of extinct cephalopods". Global and Planetary Change. 229. 104220. Bibcode:2023GPC...22904220W. doi:10.1016/j.gloplacha.2023.104220. S2CID 261488311.
  55. Dernov, V. (2023). "First evidence of color patterns on conchs of the lower Moscovian (Middle Pennsylvanian) coiled nautiloids from the Donets Basin, Ukraine". Rivista Italiana di Paleontologia e Stratigrafia. 129 (2): 329–342. doi:10.54103/2039-4942/19439. S2CID 259013707.
  56. Wilmsen, M. (2023). "On the systematic position and phylogenetic significance of Anglonautilus sinuatoplicatus (Geinitz, 1843) from the Coniacian (Upper Cretaceous) of Central Europe". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 308 (3): 237–245. doi:10.1127/njgpa/2023/1139. S2CID 259547087.
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