Protomonaxonida
Temporal range:
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Porifera
Class: Demospongiae
Order: Protomonaxonida
Finks et al. 2004[1]
Families
  • †Choiidae
  • †Halichondritidae
  • †Hamptoniidae
  • Hazeliidae
  • †Leptomitidae
  • †Lobatospongia
  • †Piraniidae
  • †Takakkawiidae
  • †Ulospongiellidae
  • †Wapkiidae

Protomonaxonida is an extinct order of sea sponges. It is a paraphyletic group gathering the most ancient species from the Burgess Shale to modern sponges.

Families and genera

  • Family †Choiidae Laubenfels, 1925
  • Family †Halichondritidae Rigby, 1986[4]
  • Family †Hamptoniidae De Laubenfels, 1955
  • Family †Hazeliidae De Laubenfels, 1955
  • Family †Leptomitidae De Laubenfels, 1955
    • Genus †Leptomitus Walcott, 1886
    • Genus †Paraleptomitella Chen et al., 1989
    • Genus †Pseudoleptomitus Botting et al., 2019[7]
    • Genus †Wareiella Rigby & Harris, 1979
  • Genus †Lobatospongia Rigby et al., 2007
  • Family †Piraniidae De Laubenfels, 1955
  • Family †Takakkawiidae De Laubenfels, 1955
  • Family †Ulospongiellidae Rigby & Collins, 2004[6]
    • Genus †Hapalospongia Rigby & Collins, 2004[6]
    • Genus †Ulospongiella Rigby & Collins, 2004[6]
  • Family †Wapkiidae De Laubenfels, 1955

The following families from the order Hadromerida are also sometimes placed in Protomonaxonida:

  • Family Sollasellidae von Lendenfeld, 1887
    • Genus †Luterospongia Rigby et al., 2008
    • Genus †Mckittrickella Rigby et al., 2007
    • Genus †Monaxoradiata Rigby & Bell, 2006
    • Genus †Opetionella Zittel, 1878
    • Genus †Rhizopsis Schrammen, 1910
    • Genus †Stramentella Gerasimov, 1960
    • Genus †Trichospongiella Rigby, 1971
  • Family Tethyidae Gray, 1867

References

  1. Porifera (Demospongea, Hexactinellida, Heteractinida, Calcarea). Treatise on Invertebrate Paleontology Part E, Revised E(3), R. M. Finks, R. E. H. Reid, and J. K. Rigby. 2004, pages 1-872
  2. 1 2 Rigby, J. K.; Hou, X.-G. (1995). "Lower Cambrian demosponges and hexactinellid sponges from Yunnan, China". Journal of Paleontology. 69 (6): 1009–1019. doi:10.1017/S0022336000037999. JSTOR 1306406.
  3. 1 2 3 4 5 6 7 Walcott, C. D. (1920). "Cambrian geology and paleontology IV:6—Middle Cambrian Spongiae". Smithsonian Miscellaneous Collections. 67: 261–364.
  4. 1 2 3 4 Rigby, J. K. (1986). "Sponges of the Burgess shale (Middle Cambrian), British Columbia". Palaeontographica Canadiana (2).
  5. Rigby, J. K.; von Bitter, P. (2005). "Sponges and associated fossils from the Pennsylvanian Carbondale Formation of northwestern Illinois". Journal of Paleontology. 79 (3): 460–468. doi:10.1666/0022-3360(2005)079<0460:SAAFFT>2.0.CO;2.
  6. 1 2 3 4 Rigby, J. K.; Collins, D. (2004). "Sponges of the Middle Cambrian Burgess Shale and Stephen Formations, British Columbia". ROM contributions in science. 1. ISBN 0-88854-443-X. ISSN 1710-7768.
  7. Botting, Joseph P.; Brayard, Arnaud; the Paris Biota Team (2019). "A late-surviving Triassic protomonaxonid sponge from the Paris Biota (Bear Lake County, Idaho, USA)". Geobios. 54: 5–11. Bibcode:2019Geobi..54....5B. doi:10.1016/j.geobios.2019.04.006. S2CID 146559079.


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