Deep-Sea name details
Undinopsis Sars G.O., 1902
348155 (urn:lsid:marinespecies.org:taxname:348155)
unaccepted (synonym)
Genus
Undinopsis bradyi Sars G.O., 1903 accepted as Bradyidius armatus (Vanhöffen, 1897) (type by original designation)
- Species Undinopsis bradyi Sars G.O., 1903 accepted as Bradyidius armatus (Vanhöffen, 1897) (synonym)
- Species Undinopsis pacificus Brodsky, 1950 accepted as Bradyidius pacificus (Brodsky, 1950) (synonym)
- Species Undinopsis similis Sars G.O., 1902 accepted as Bradyidius similis (Sars G.O., 1902) (synonym)
marine, brackish, fresh, terrestrial
Sars, G.O. (1902). Copepoda Calanoida, Parts III & IV, Aetideidae (concluded), Euchaetidae, Phaennidae. <em>An Account of the Crustacea of Norway, with short descriptions and figures of all the species. Bergen Museum.</em> 4:27-48, pls. 17-96. (look up in IMIS) [details] 
Taxonomy The name Undinopsis bradyi was used by Sars in Schneider (1884) but is a nomen nudum. The genus Undinopsis was not...
Taxonomy The name Undinopsis bradyi was used by Sars in Schneider (1884) but is a nomen nudum. The genus Undinopsis was not formally described until Sars (1902) - who refers to the previous use of the name by Schneider (1884). [details]
Walter, T.C.; Boxshall, G. (2025). World of Copepods Database. Undinopsis Sars G.O., 1902. Accessed through: Glover, A.G.; Higgs, N.; Horton, T. (2025) World Register of Deep-Sea species (WoRDSS) at: https://marinespecies.org/DeepSea/aphia.php?p=taxdetails&id=348155 on 2026-03-27
Glover, A.G.; Higgs, N.; Horton, T. (2026). World Register of Deep-Sea species (WoRDSS). Undinopsis Sars G.O., 1902. Accessed at: https://www.marinespecies.org/deepsea/aphia.php?p=taxdetails&id=348155 on 2026-03-27
Date
action
by
original description
Sars, G.O. (1902). Copepoda Calanoida, Parts III & IV, Aetideidae (concluded), Euchaetidae, Phaennidae. <em>An Account of the Crustacea of Norway, with short descriptions and figures of all the species. Bergen Museum.</em> 4:27-48, pls. 17-96. (look up in IMIS) [details]
context source (MSBIAS) MEDIN. (2011). UK checklist of marine species derived from the applications Marine Recorder and UNICORN. version 1.0. [details]
context source (MSBIAS) MEDIN. (2011). UK checklist of marine species derived from the applications Marine Recorder and UNICORN. version 1.0. [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Taxonomy The name Undinopsis bradyi was used by Sars in Schneider (1884) but is a nomen nudum. The genus Undinopsis was not formally described until Sars (1902) - who refers to the previous use of the name by Schneider (1884). [details]
From editor or global species database
Image from typetaxon
Image from typetaxon
