OCEAN-UKRAINE - Rathkea Brandt, 1837

WoRMS taxon details

Rathkea Brandt, 1837

Rathkea octopunctata

AphiaID

117211 (urn:lsid:marinespecies.org:taxname:117211)

Classification

Status

accepted

Rank

Genus

Typetaxon

Oceania blumenbachii Rathke, 1835 accepted as Rathkea octopunctata (M. Sars, 1835) (type by original designation)

Parent

Rathkeidae Russell, 1953

Original name

Rathkia Brandt, 1837

Synonymised names

Margellium Haeckel, 1879 · unaccepted (synonym)

Rathkia Brandt, 1837 · unaccepted (original spelling not in use)

Direct children (12)

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Species Rathkea africana Kramp, 1957
Species Rathkea antarctica Uchida, 1971
Species Rathkea formosissima (Browne, 1902)
Species Rathkea lizzioides O'Sullivan, 1984
Species Rathkea octopunctata (M. Sars, 1835)
Species Rathkea rubence Nair, 1951
Species Rathkea blumenbachii (Rathke, 1835) accepted as Rathkea octopunctata (M. Sars, 1835) (synonym)
Species Rathkea fasciculata (Péron & Lesueur, 1810) accepted as Koellikerina fasciculata (Péron & Lesueur, 1810) (unaccepted combination)
Species Rathkea jaschnowi Naumov, 1956 accepted as Koellikerina jaschnowi (Naumov, 1956) (basionym)
Species Rathkea octocostatum (M. Sars, 1835) accepted as Melicertum octocostatum (M. Sars, 1835) (incorrect genus)
Species Rathkea octonemalis Maas, 1905 accepted as Koellikerina octonemalis (Maas, 1905) (basionym)
Species Rathkea hyalina (van Beneden, 1867) (uncertain > taxon inquirendum)

Environment

marine, brackish, ~~fresh~~, ~~terrestrial~~

Fossil range

recent only

Original description

(of Rathkia Brandt, 1837) Brandt, J. F. 1837. Remarques sur quelques modifications dans l'arrangement de l'ordre des Acalèphes discophores ou Ombellifères. Bulletin scientifique publié par l'Académie impériale des sciences de St.-Pétersbourg 1: 185-191., available online at https://www.biodiversitylibrary.org/page/11945937
page(s): 187 [details]

Taxonomic citation

Schuchert, P.; Cartwright, P.; Choong, H.; Galea, H. (2025). World Hydrozoa Database. Rathkea Brandt, 1837. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=117211 on 2025-03-04

Taxonomic edit history

Date

action

2004-12-21 15:54:05Z

created

van der Land, Jacob

2013-03-08 08:04:23Z

changed

Schuchert, Peter

2017-06-22 12:03:19Z

changed

Schuchert, Peter

Licensing

The webpage text is licensed under a Creative Commons Attribution 4.0 License

[taxonomic tree]

Nomenclature

original description (of Rathkia Brandt, 1837) Brandt, J. F. 1837. Remarques sur quelques modifications dans l'arrangement de l'ordre des Acalèphes discophores ou Ombellifères. Bulletin scientifique publié par l'Académie impériale des sciences de St.-Pétersbourg 1: 185-191., available online at https://www.biodiversitylibrary.org/page/11945937
page(s): 187 [details]

original description (of Margellium Haeckel, 1879) Haeckel, E. (1879). Das System der Medusen. Erster Teil einer Monographie der Medusen. Denkschriften der Medicinisch-Naturwissenschaftlichen Gesellschaft zu Jena. 1: XX+1-360, 320 plates., available online at https://www.biodiversitylibrary.org/page/32605578
page(s): 94 [details]

basis of record van der Land, J.; Vervoort, W.; Cairns, S.D.; Schuchert, P. (2001). Hydrozoa, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 112-120 (look up in IMIS) [details]

basis of record Haeckel, E. (1879). Das System der Medusen. Erster Teil einer Monographie der Medusen. Denkschriften der Medicinisch-Naturwissenschaftlichen Gesellschaft zu Jena. 1: XX+1-360, 320 plates., available online at https://www.biodiversitylibrary.org/page/32605578
page(s): 96; note: emendation of name [details]

Other

context source (Hexacorallia) Fautin, Daphne G. (2013). Hexacorallians of the World. (look up in IMIS) [details]

additional source Schuchert, P. (2007). The European athecate hydroids and their medusae (Hydrozoa, Cnidaria): Filifera part 2. Revue suisse de Zoologie. 114: 195-396., available online at https://www.biodiversitylibrary.org/page/41281106
page(s): 284 [details]

additional source Bouillon, J.; Boero, F. (2000). Synopsis of the families and genera of the Hydromedusae of the world, with a list of the worldwide species. Thalassia Salent. 24: 47-296 (look up in IMIS) [details]

Present

Inaccurate

Introduced: alien

Containing type locality

From editor or global species database

Diagnosis Rathkeidae medusa with four radial canals; eight marginal tentacle bulbs, all with two or more tentacles; the four perradial corners of the mouth drawn out so as to form oral tentacles ending in clusters of nematocysts, terminal end usually bifurcated.
Hydroid colonial, small, sessile, with long ﬁliform tentacles, medusa buds arise from stolons.
[details]

Spelling The original spelling by Brandt (1837: 187) was Rathkia, later corrected to Rathkea by Haeckel (1879: 96). The name has been used with Haeckel's spelling thereafter and there is no point in resurrecting the original spelling. [details]

Definitions