ERMS taxon details
Amphiascus Sars G.O., 1905
115305 (urn:lsid:marinespecies.org:taxname:115305)
accepted
Genus
Amphiascus pacificus Sars G.O., 1905 accepted as Mesamphiascus pacificus (Sars G.O., 1905) accepted as Sarsamphiascus pacificus (Sars G.O., 1905) (type by original designation)
Paramphiascopsis Lang, 1944 · unaccepted (synonym)
- Species Amphiascus giesbrechti Sars G.O., 1906
- Species Amphiascus pallidus Sars G.O., 1906
- Species Amphiascus paromolae (Soyer, 1973)
- Species Amphiascus parvulus (Claus, 1866)
- Species Amphiascus perplexus (Thompson I.C. & Scott A., 1903)
- Species Amphiascus polapinquus Marcus, 1966
- Species Amphiascus pygmaeus (Norman & Scott T., 1905)
- Species Amphiascus soyeri (Lang, 1965)
- Species Amphiascus thalestroides Sars G.O., 1911
- Species Amphiascus triarticulatus (Moore, 1976)
- Species Amphiascus amblyops Sars G.O., 1911 accepted as Mesamphiascus amblyops (Sars G.O., 1911) accepted as Sarsamphiascus amblyops (Sars G.O., 1911)
- Species Amphiascus angustipes Gurney, 1927 accepted as Mesamphiascus angustipes (Gurney, 1927) accepted as Sarsamphiascus angustipes (Gurney, 1927)
- Species Amphiascus caudaespinosus Brian, 1927 accepted as Sarsamphiascus caudaespinosus (Brian, 1927)
- Species Amphiascus gauthieri Monard, 1936 accepted as Mesamphiascus gauthieri (Monard, 1936) accepted as Sarsamphiascus gauthieri (Monard, 1936)
- Species Amphiascus gracilis Lang, 1936 accepted as Amphiascopsis gracilis (Lang, 1936) accepted as Sarsamphiascus gracilis (Lang, 1936)
- Species Amphiascus graciloides Klie, 1950 accepted as Sarsamphiascus graciloides (Klie, 1950)
- Species Amphiascus hirtus Gurney, 1927 accepted as Amphiascopsis hirtus (Gurney, 1927) accepted as Sarsamphiascus hirtus (Gurney, 1927)
- Species Amphiascus longarticulatus Marcus, 1974 accepted as Sarsamphiascus longiarticulatus (Marcus, 1974)
- Species Amphiascus longirostris (Claus, 1863) accepted as Paramphiascopsis longirostris (Claus, 1863)
- Species Amphiascus minutus (Claus, 1863) accepted as Sarsamphiascus minutus (Claus, 1863)
- Species Amphiascus normani Sars G.O., 1911 accepted as Mesamphiascus normani (Sars G.O., 1911) accepted as Bulbamphiascus imus (Brady, 1872) (synonym)
- Species Amphiascus pacificus Sars G.O., 1905 accepted as Mesamphiascus pacificus (Sars G.O., 1905) accepted as Sarsamphiascus pacificus (Sars G.O., 1905)
- Species Amphiascus paracaudaespinosus Roe, 1958 accepted as Sarsamphiascus paracaudaespinosus (Roe, 1958)
- Species Amphiascus parvus Sars G.O., 1906 accepted as Mesamphiascus parvus (Sars G.O., 1906) accepted as Sarsamphiascus parvus (Sars G.O, 1906)
- Species Amphiascus polapinqvus Marcus, 1966 accepted as Amphiascus polapinquus Marcus, 1966 (lapsus calami)
- Species Amphiascus propinquus Sars G.O., 1906 accepted as Mesamphiascus propinquus (Sars G.O., 1906) accepted as Sarsamphiascus propinquus (Sars G.O., 1906)
- Species Amphiascus scotti Sewell, 1924 accepted as Robertsonia propinqua (Scott T., 1894) (synonym)
- Species Amphiascus sinuatus Sars G.O., 1906 accepted as Mesamphiascus sinuatus (Sars G.O., 1906) accepted as Sarsamphiascus sinuatus (Sars G.O., 1906)
- Species Amphiascus tenellus Sars G.O., 1906 accepted as Sarsamphiascus tenellus (Sars G.O., 1906)
- Species Amphiascus tenuiremis (Brady, 1880) accepted as Sarsamphiascus tenuiremis (Brady & Robertson, 1876)
- Species Amphiascus ultimus Monard, 1928 accepted as Sarsamphiascus ultimus (Monard, 1928)
- Species Amphiascus varians (Norman & Scott T., 1905) accepted as Mesamphiascus varians (Norman & Scott T., 1905) accepted as Sarsamphiascus varians (Norman & Scott T., 1905)
- Species Amphiascus humphriesi Roe, 1960 (uncertain > taxon inquirendum)
marine, brackish, fresh, terrestrial
Sars, G.O. (1905). Pacifische Plankton-Crustaceen. (Ergebnisse einer Reise nach dem Pacific. Schauinsland 1896—1897). II. Brackwasser-Crustaceen von den Chatham-Inseln. [Pacific plankton crustaceans. (Results of a voyage to the Pacific. Schauinsland 1896—1897). II. Brackish water crustaceans from the Chatham Islands.]. <em>Zoologische Jahrbücher, Abteilung für Systematik.</em> 21(4):371-414., available online at https://www.biodiversitylibrary.org/item/87995 [details] 
Walter, T.C.; Boxshall, G. (2025). World of Copepods Database. Amphiascus Sars G.O., 1905. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025) European Register of Marine Species at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=115305 on 2025-07-07
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025). European Register of Marine Species. Amphiascus Sars G.O., 1905. Accessed at: http://www.marbef.org//www.marbef.org/data/aphia.php?p=taxdetails&id=115305 on 2025-07-07
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original description
Sars, G.O. (1905). Pacifische Plankton-Crustaceen. (Ergebnisse einer Reise nach dem Pacific. Schauinsland 1896—1897). II. Brackwasser-Crustaceen von den Chatham-Inseln. [Pacific plankton crustaceans. (Results of a voyage to the Pacific. Schauinsland 1896—1897). II. Brackish water crustaceans from the Chatham Islands.]. <em>Zoologische Jahrbücher, Abteilung für Systematik.</em> 21(4):371-414., available online at https://www.biodiversitylibrary.org/item/87995 [details]
original description (of Paramphiascopsis Lang, 1944) Lang, K. (1944). Monographie der Harpacticiden (Vorlaufige Mitteilung). [Monograph of the Harpacticidae (Preliminary communication).]. <em>Almqvist & Wiksells Boktryckeri Ab, Uppsala.</em> 39 pp. (19-ii-1944). [details] Available for editors
basis of record Huys, R. (2001). Copepoda - Harpacticoida. <em>In: Costello, M.J. et al. (eds.) 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.</em> 50:268-280. (look up in RoR) [details] Available for editors
additional source Webber, W.R., G.D. Fenwick, J.M. Bradford-Grieve, S.G. Eagar, J.S. Buckeridge, G.C.B. Poore, E.W. Dawson, L. Watling, J.B. Jones, J.B.J. Wells, N.L. Bruce, S.T. Ahyong, K. Larsen, M.A. Chapman, J. Olesen, J.S. Ho, J.D. Green, R.J. Shiel, C.E.F. Rocha, A. Lörz, G.J. Bird & W.A. Charleston. (2010). Phylum Arthropoda Subphylum Crustacea: shrimps, crabs, lobsters, barnacles, slaters, and kin. <em>in: Gordon, D.P. (Ed.) (2010). New Zealand inventory of biodiversity: 2. Kingdom Animalia: Chaetognatha, Ecdysozoa, Ichnofossils.</em> pp. 98-232 (COPEPODS 21 pp.). [details] Available for editors
additional source Huys, R. (2009). Unresolved cases of type fixation, synonymy and homonymy in harpacticoid copepod nomenclature (Crustacea: Copepoda). <em>Zootaxa.</em> 2183:1-99., available online at http://www.mapress.com/zootaxa/2009/2/zt02183p099.pdf [details] Available for editors
additional source Sars, G.O. (1905). Pacifische Plankton-Crustaceen. (Ergebnisse einer Reise nach dem Pacific. Schauinsland 1896—1897). II. Brackwasser-Crustaceen von den Chatham-Inseln. [Pacific plankton crustaceans. (Results of a voyage to the Pacific. Schauinsland 1896—1897). II. Brackish water crustaceans from the Chatham Islands.]. <em>Zoologische Jahrbücher, Abteilung für Systematik.</em> 21(4):371-414., available online at https://www.biodiversitylibrary.org/item/87995
page(s): 380 [details]
additional source Bodin, P. (1997). Catalogue of the new marine Harpacticoid Copepods. <em>Studiedocumenten van het K.B.I.N. = Documents de Travail de l'I.R.Sc.N.B., 89. Koninklijk Belgisch Instituut voor Natuurwetenschappen: Brussels, Belgium.</em> 89: 1-304. (look up in RoR)
page(s): 380 [details] Available for editors
additional source Griga, R.E. (1961). Harpacticoida raiona Sevastopolya. [Harpacticoids of the Sebastopol region.]. <em>Trudy Sevastopol'skoy Biologicheskoy Stantsii, Akademiya Nauk SSSR, Transactions of the Sevastopol Biological Station).</em> 14: 109-125. (Russian). [details] Available for editors
additional source Nicholls, A.G. (1939). Marine harpacticoids and cyclopoids from the shores of the St. Lawrence. <em>Le Naturaliste Canadien, Quebec.</em> 66(2):241-316, 28 figs. [details] Available for editors
additional source Noodt, W. (1955). Marmara denizi Harpacticoiden (Crust. Cop.). Marine Harpacticoiden (Crust. Cop.) aus dem Marmare Meer. [Marine Harpacticoida (Crust. Cop.) from the Marmare Sea.]. <em>Istanbul Universitesi Fen Fakultesi Mecmuasi.</em> (B)20(1-2):49-94, figs. 1-103. (i/iv-1955). [details] Available for editors
additional source Sars, G.O. (1906). Copepoda Harpacticoida. Parts XI & XII. Thalestridae (continued), Diosaccidae (part). <em>An Account of the Crustacea of Norway, with short descriptions and figures of all the species. Bergen Museum.</em> 5:133-156, pls. 81-96. (look up in RoR) [details]
additional source Lang, K. (1965). Copepoda Harpacticoida from the Californian Pacific coast. <em>Kungliga Svenska Vetensk-Akademiens Handlingar, Fjarde Serien. Almquist & Wiksell, Stockholm.</em> 10(2):1-560, figs. 1-303, pls. 1-6. (look up in RoR) [details] Available for editors
source of synonymy Willen, E. (2002). Notes on the systematic position of the Stenheliinae (Copepoda, Harpacticoida) within the Thalestridimorpha and description of two new species from Motupore Island, Papua New Guinea. Cahiers de Biologie Marine 43(1): 27-42. [details] Available for editors
original description (of Paramphiascopsis Lang, 1944) Lang, K. (1944). Monographie der Harpacticiden (Vorlaufige Mitteilung). [Monograph of the Harpacticidae (Preliminary communication).]. <em>Almqvist & Wiksells Boktryckeri Ab, Uppsala.</em> 39 pp. (19-ii-1944). [details] Available for editors
basis of record Huys, R. (2001). Copepoda - Harpacticoida. <em>In: Costello, M.J. et al. (eds.) 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.</em> 50:268-280. (look up in RoR) [details] Available for editors
additional source Webber, W.R., G.D. Fenwick, J.M. Bradford-Grieve, S.G. Eagar, J.S. Buckeridge, G.C.B. Poore, E.W. Dawson, L. Watling, J.B. Jones, J.B.J. Wells, N.L. Bruce, S.T. Ahyong, K. Larsen, M.A. Chapman, J. Olesen, J.S. Ho, J.D. Green, R.J. Shiel, C.E.F. Rocha, A. Lörz, G.J. Bird & W.A. Charleston. (2010). Phylum Arthropoda Subphylum Crustacea: shrimps, crabs, lobsters, barnacles, slaters, and kin. <em>in: Gordon, D.P. (Ed.) (2010). New Zealand inventory of biodiversity: 2. Kingdom Animalia: Chaetognatha, Ecdysozoa, Ichnofossils.</em> pp. 98-232 (COPEPODS 21 pp.). [details] Available for editors
additional source Huys, R. (2009). Unresolved cases of type fixation, synonymy and homonymy in harpacticoid copepod nomenclature (Crustacea: Copepoda). <em>Zootaxa.</em> 2183:1-99., available online at http://www.mapress.com/zootaxa/2009/2/zt02183p099.pdf [details] Available for editors
additional source Sars, G.O. (1905). Pacifische Plankton-Crustaceen. (Ergebnisse einer Reise nach dem Pacific. Schauinsland 1896—1897). II. Brackwasser-Crustaceen von den Chatham-Inseln. [Pacific plankton crustaceans. (Results of a voyage to the Pacific. Schauinsland 1896—1897). II. Brackish water crustaceans from the Chatham Islands.]. <em>Zoologische Jahrbücher, Abteilung für Systematik.</em> 21(4):371-414., available online at https://www.biodiversitylibrary.org/item/87995
page(s): 380 [details]
additional source Bodin, P. (1997). Catalogue of the new marine Harpacticoid Copepods. <em>Studiedocumenten van het K.B.I.N. = Documents de Travail de l'I.R.Sc.N.B., 89. Koninklijk Belgisch Instituut voor Natuurwetenschappen: Brussels, Belgium.</em> 89: 1-304. (look up in RoR)
page(s): 380 [details] Available for editors
additional source Griga, R.E. (1961). Harpacticoida raiona Sevastopolya. [Harpacticoids of the Sebastopol region.]. <em>Trudy Sevastopol'skoy Biologicheskoy Stantsii, Akademiya Nauk SSSR, Transactions of the Sevastopol Biological Station).</em> 14: 109-125. (Russian). [details] Available for editors
additional source Nicholls, A.G. (1939). Marine harpacticoids and cyclopoids from the shores of the St. Lawrence. <em>Le Naturaliste Canadien, Quebec.</em> 66(2):241-316, 28 figs. [details] Available for editors
additional source Noodt, W. (1955). Marmara denizi Harpacticoiden (Crust. Cop.). Marine Harpacticoiden (Crust. Cop.) aus dem Marmare Meer. [Marine Harpacticoida (Crust. Cop.) from the Marmare Sea.]. <em>Istanbul Universitesi Fen Fakultesi Mecmuasi.</em> (B)20(1-2):49-94, figs. 1-103. (i/iv-1955). [details] Available for editors
additional source Sars, G.O. (1906). Copepoda Harpacticoida. Parts XI & XII. Thalestridae (continued), Diosaccidae (part). <em>An Account of the Crustacea of Norway, with short descriptions and figures of all the species. Bergen Museum.</em> 5:133-156, pls. 81-96. (look up in RoR) [details]
additional source Lang, K. (1965). Copepoda Harpacticoida from the Californian Pacific coast. <em>Kungliga Svenska Vetensk-Akademiens Handlingar, Fjarde Serien. Almquist & Wiksell, Stockholm.</em> 10(2):1-560, figs. 1-303, pls. 1-6. (look up in RoR) [details] Available for editors
source of synonymy Willen, E. (2002). Notes on the systematic position of the Stenheliinae (Copepoda, Harpacticoida) within the Thalestridimorpha and description of two new species from Motupore Island, Papua New Guinea. Cahiers de Biologie Marine 43(1): 27-42. [details] Available for editors
Present Inaccurate Introduced: alien Containing type locality
