Hermadion
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Annelida
Clade: Pleistoannelida
Subclass: Errantia
Order: Phyllodocida
Family: Polynoidae
Genus: Hermadion
Kinberg, 1856
Species:
H. magalhaensi
Binomial name
Hermadion magalhaensi
Kinberg, 1856[1]

Hermadion is a genus of marine polychaete worms belonging to the family Polynoidae, the scaleworms. Hermadion contains a single species, Hermadion magalhaensi which is known from the South Atlantic, South Pacific and southern Indian Oceans at depths to about 110 m.[2][3]

Description

Hermadion magalhaensi is a short-bodied scale worm with fewer than 50 segments and 15 pairs of elytra. The elytra are large but leave a small median part of the body uncovered. The prostomium is bilobed and rounded anteriorly, lacking acute cephalic peaks. The antennal styles have slender papillae and the lateral antennae are inserted ventrally, beneath the median antenna. The neuropodial lobe is elongate and tapering to a narrow tip. The notochaetae have pointed tips and are distinctly thicker than the neurochaetae. The neurochaetae are simple and none have bidentate tips.[3][4]

References

  1. ↑ Read, G.; Fauchald, K. (Ed.) (2020). World Polychaeta database. Hermadion magalhaensi Kinberg, 1856. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=155298
  2. ↑ Kinberg, J.G.H. (1856). Nya slägten och arter af Annelider, Öfversigt af Kongl. Vetenskaps-Akademiens Förhhandlingar Stockholm, 12 (9-10), 381-388 [read 1855; printed 1856]., available online at https://www.biodiversitylibrary.org/page/15970133
  3. 1 2 Barnich, R.; Fiege, D.; Micaletto, G.; Gambi, M. C. (2006). Redescription of Harmothoe spinosa Kinberg, 1856 (Polychaeta: Polynoidae) and related species from Subantarctic and Antarctic waters, with the erection of a new genus. Journal of Natural History. 40(1-2): 33-75., available online at https://doi.org/10.1080/00222930500445044
  4. ↑ Bock, Gordon, Fiege, Dieter & Barnich, Ruth 2010. Revision of Hermadion Kinberg, 1856, with a redescription of Hermadion magalhaensi Kinberg, 1856, Adyte hyalina (G.O. Sars, 1873) n. comb. and Neopolynoe acanellae (Verrill, 1881) n. comb. (Polychaeta:Polynoidae). Zootaxa, 2554, 45–61. , available online at http://www.mapress.com/zootaxa/list/2010/2554.html
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