Deep-Sea taxon details
Obelia bidentata Clark, 1875
117385 (urn:lsid:marinespecies.org:taxname:117385)
accepted
Species
Clytia longicyatha (Allman, 1877) · unaccepted (synonym)
Laomedea bicuspidata (Clark, 1875) · unaccepted (synonym)
Laomedea spinulosa (Bale, 1888) · unaccepted (synonym)
Obelia bicuspidata Clark, 1875 · unaccepted (synonym)
Obelia corona Torrey, 1904 · unaccepted (synonym)
Obelia longicyatha Allman, 1877 · unaccepted (possible synonym)
marine, brackish, fresh, terrestrial
recent only
Clark, S. F. (1875). Descriptions of new and rare species of hydroids from the New England coast. <em>Transactions of the Connecticut Academy of Sciences.</em> 3: 58-66, pls 9-10., available online at https://www.biodiversitylibrary.org/page/7475983
page(s): 58, pl. 9 fig. 2 [details]
page(s): 58, pl. 9 fig. 2 [details]
Type locality contained in Long Island
type locality contained in Long Island [details]
Distribution circum-global
Distribution circum-global [details]
Schuchert, P.; Choong, H.; Galea, H.; Hoeksema, B.; Lindsay, D.; Manko, M.; Pica, D. (2025). World Hydrozoa Database. Obelia bidentata Clark, 1875. 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=117385 on 2026-01-16
Glover, A.G.; Higgs, N.; Horton, T. (2026). World Register of Deep-Sea species (WoRDSS). Obelia bidentata Clark, 1875. Accessed at: https://www.marinespecies.org/deepsea/aphia.php?p=taxdetails&id=117385 on 2026-01-16
Date
action
by
original description
Clark, S. F. (1875). Descriptions of new and rare species of hydroids from the New England coast. <em>Transactions of the Connecticut Academy of Sciences.</em> 3: 58-66, pls 9-10., available online at https://www.biodiversitylibrary.org/page/7475983
page(s): 58, pl. 9 fig. 2 [details]
original description (of Obelia bicuspidata Clark, 1875) Clark, S. F. (1875). Descriptions of new and rare species of hydroids from the New England coast. <em>Transactions of the Connecticut Academy of Sciences.</em> 3: 58-66, pls 9-10., available online at https://www.biodiversitylibrary.org/page/7475983
page(s): 58, pl. 9 fig. 1. [details]
original description (of Obelia longicyatha Allman, 1877) Allman, G.J. (1877). Report on the Hydroida collected during the Exploration of the Gulf Stream by L. F. de Pourtalès, Assistant United States Coast Survey. <i>Memoirs of the Museum of Comparative Zoology</i>. 5: 1-66, plates 1-34., available online at https://www.biodiversitylibrary.org/page/4311825
page(s): 10, pl. 7 figs 4-5 [details]
original description (of Obelia corona Torrey, 1904) Torrey, H.B. , 1904. The hydroids of the San Diego region. Univ. Calif. Publs Zool. 2 1: 1-43., available online at http://www.biodiversitylibrary.org/item/93377#41
page(s): 14, figs 5-6 [details]
context source (Deepsea) Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online at http://www.iobis.org/ [details]
context source (BeRMS 2020) Bio-environmental research group; Institute of Agricultural and Fisheries research (ILVO), Belgium; (2015): Zooplankton monitoring in the Belgian Part of the North Sea between 2009 and 2010. [details]
context source (Bermuda) Calder D.R. (1991). Shallow-water hydroids of Bermuda: the Thecatae, exclusive of Plumularioidea. <em>Royal Ontario Museum Life Sciences Contributions.</em> 154: 1-140. [details] Available for editors
context source (Hexacorallia) Fautin, Daphne G. (2013). Hexacorallians of the World. (look up in IMIS) [details]
basis of record van der Land, J.; Vervoort, W.; Cairns, S.D.; Schuchert, P. (2001). Hydrozoa, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>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,</i> 50: pp. 112-120 (look up in IMIS) [details]
additional source Pollock, L.W. (1998). A practical guide to the marine animals of northeastern North America. Rutgers University Press. New Brunswick, New Jersey & London. 367 pp., available online at http://books.google.com/books?id=i1AmT31cuR4C [details]
additional source Muller, Y. (2004). Faune et flore du littoral du Nord, du Pas-de-Calais et de la Belgique: inventaire. [Coastal fauna and flora of the Nord, Pas-de-Calais and Belgium: inventory]. <em>Commission Régionale de Biologie Région Nord Pas-de-Calais: France.</em> 307 pp., available online at http://www.vliz.be/imisdocs/publications/145561.pdf [details]
additional source Calder D.R. (1991). Shallow-water hydroids of Bermuda: the Thecatae, exclusive of Plumularioidea. <em>Royal Ontario Museum Life Sciences Contributions.</em> 154: 1-140.
page(s): 63, 70-72, 138 [details] Available for editors
additional source Calder, D. R. and S. D. Cairns. 2009. Hydroids (Cnidaria: Hydrozoa) of the Gulf of Mexico, Pp. 381–394 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas. [details]
additional source Liu, J.Y. [Ruiyu] (ed.). (2008). [Checklist of marine biota of China seas]. <em>China Science Press.</em> 1267 pp. (look up in IMIS) [details] Available for editors
additional source Cairns, S.D., L. Gershwin, F.J. Brook, P. Pugh, E.W. Dawson, O.V. Ocaña, W. Vervoort, G. Williams, J.E. Watson, D.M. Opresko, P. Schuchert, P.M. Hine, D.P. Gordon, H.I. Campbell, A.J. Wright, J.A.Sánchez & D.G. Fautin. (2009). Phylum Cnidaria: corals, medusae, hydroids, myxozoans. <em>in: Gordon, D.P. (Ed.) (2009). New Zealand inventory of biodiversity: 1. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia.</em> :59-101., available online at https://repository.si.edu/handle/10088/8431 [details] Available for editors
additional source Integrated Taxonomic Information System (ITIS). , available online at http://www.itis.gov [details]
additional source Hansson, H. (2004). North East Atlantic Taxa (NEAT): Nematoda. Internet pdf Ed. Aug 1998. (look up in IMIS) [details]
redescription Cornelius, P. F. S. (1995). North-West European Thecate Hydroids and their Medusae.Part 2. Sertulariidae to Campanulariidae. <em>In: R.S.K. Barnes & J.H. Crothers, eds, Synopses of the British Fauna (New Series). The Linn. Soc. London and Est. Coas. Sci. Ass. - Field Studies Council.</em> 50 : i-vii, 1-386. (look up in IMIS)
page(s): 292 [details]
page(s): 58, pl. 9 fig. 2 [details]
original description (of Obelia bicuspidata Clark, 1875) Clark, S. F. (1875). Descriptions of new and rare species of hydroids from the New England coast. <em>Transactions of the Connecticut Academy of Sciences.</em> 3: 58-66, pls 9-10., available online at https://www.biodiversitylibrary.org/page/7475983
page(s): 58, pl. 9 fig. 1. [details]
original description (of Obelia longicyatha Allman, 1877) Allman, G.J. (1877). Report on the Hydroida collected during the Exploration of the Gulf Stream by L. F. de Pourtalès, Assistant United States Coast Survey. <i>Memoirs of the Museum of Comparative Zoology</i>. 5: 1-66, plates 1-34., available online at https://www.biodiversitylibrary.org/page/4311825
page(s): 10, pl. 7 figs 4-5 [details]
original description (of Obelia corona Torrey, 1904) Torrey, H.B. , 1904. The hydroids of the San Diego region. Univ. Calif. Publs Zool. 2 1: 1-43., available online at http://www.biodiversitylibrary.org/item/93377#41
page(s): 14, figs 5-6 [details]
context source (Deepsea) Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online at http://www.iobis.org/ [details]
context source (BeRMS 2020) Bio-environmental research group; Institute of Agricultural and Fisheries research (ILVO), Belgium; (2015): Zooplankton monitoring in the Belgian Part of the North Sea between 2009 and 2010. [details]
context source (Bermuda) Calder D.R. (1991). Shallow-water hydroids of Bermuda: the Thecatae, exclusive of Plumularioidea. <em>Royal Ontario Museum Life Sciences Contributions.</em> 154: 1-140. [details] Available for editors
context source (Hexacorallia) Fautin, Daphne G. (2013). Hexacorallians of the World. (look up in IMIS) [details]
basis of record van der Land, J.; Vervoort, W.; Cairns, S.D.; Schuchert, P. (2001). Hydrozoa, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>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,</i> 50: pp. 112-120 (look up in IMIS) [details]
additional source Pollock, L.W. (1998). A practical guide to the marine animals of northeastern North America. Rutgers University Press. New Brunswick, New Jersey & London. 367 pp., available online at http://books.google.com/books?id=i1AmT31cuR4C [details]
additional source Muller, Y. (2004). Faune et flore du littoral du Nord, du Pas-de-Calais et de la Belgique: inventaire. [Coastal fauna and flora of the Nord, Pas-de-Calais and Belgium: inventory]. <em>Commission Régionale de Biologie Région Nord Pas-de-Calais: France.</em> 307 pp., available online at http://www.vliz.be/imisdocs/publications/145561.pdf [details]
additional source Calder D.R. (1991). Shallow-water hydroids of Bermuda: the Thecatae, exclusive of Plumularioidea. <em>Royal Ontario Museum Life Sciences Contributions.</em> 154: 1-140.
page(s): 63, 70-72, 138 [details] Available for editors
additional source Calder, D. R. and S. D. Cairns. 2009. Hydroids (Cnidaria: Hydrozoa) of the Gulf of Mexico, Pp. 381–394 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas. [details]
additional source Liu, J.Y. [Ruiyu] (ed.). (2008). [Checklist of marine biota of China seas]. <em>China Science Press.</em> 1267 pp. (look up in IMIS) [details] Available for editors
additional source Cairns, S.D., L. Gershwin, F.J. Brook, P. Pugh, E.W. Dawson, O.V. Ocaña, W. Vervoort, G. Williams, J.E. Watson, D.M. Opresko, P. Schuchert, P.M. Hine, D.P. Gordon, H.I. Campbell, A.J. Wright, J.A.Sánchez & D.G. Fautin. (2009). Phylum Cnidaria: corals, medusae, hydroids, myxozoans. <em>in: Gordon, D.P. (Ed.) (2009). New Zealand inventory of biodiversity: 1. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia.</em> :59-101., available online at https://repository.si.edu/handle/10088/8431 [details] Available for editors
additional source Integrated Taxonomic Information System (ITIS). , available online at http://www.itis.gov [details]
additional source Hansson, H. (2004). North East Atlantic Taxa (NEAT): Nematoda. Internet pdf Ed. Aug 1998. (look up in IMIS) [details]
redescription Cornelius, P. F. S. (1995). North-West European Thecate Hydroids and their Medusae.Part 2. Sertulariidae to Campanulariidae. <em>In: R.S.K. Barnes & J.H. Crothers, eds, Synopses of the British Fauna (New Series). The Linn. Soc. London and Est. Coas. Sci. Ass. - Field Studies Council.</em> 50 : i-vii, 1-386. (look up in IMIS)
page(s): 292 [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Biology colonial [details]Unreviewed
Distribution circum-global [details]
| Language | Name | |
|---|---|---|
| Dutch | tweetandschelpje | [details] |
| English | doubletoothed hydroid | [details] |
| German | Zweizahn-Glockenpolyp | [details] |
| Japanese | フタエキザミ [from synonym] | [details] |
Marine Life Information Network - UK
To Barcode of Life (8 barcodes)
To Biodiversity Heritage Library (10 publications) (from synonym Obelia longicyatha Allman, 1877)
To Biodiversity Heritage Library (11 publications) (from synonym Clytia longicyatha (Allman, 1877))
To Biodiversity Heritage Library (12 publications) (from synonym Obelia corona Torrey, 1904)
To Biodiversity Heritage Library (2 publications) (from synonym Laomedea bicuspidata (Clark, 1875))
To Biodiversity Heritage Library (2 publications) (from synonym Laomedea spinulosa (Bale, 1888))
To Biodiversity Heritage Library (21 publications) (from synonym Obelia bicuspidata Clark, 1875)
To Biodiversity Heritage Library (24 publications)
To Biological Information System for Marine Life (BISMaL) (from synonym Obelia bicuspidata Clark, 1875)
To European Nucleotide Archive, ENA (Obelia bidentata)
To GenBank (32 nucleotides; 11 proteins)
To PESI
To USNM Invertebrate Zoology Cnidaria Collection (1 record) (from synonym Obelia longicyatha Allman, 1877)
To USNM Invertebrate Zoology Cnidaria Collection (12 records)
To USNM Invertebrate Zoology Cnidaria Collection (13 records) (from synonym Clytia longicyatha (Allman, 1877))
To USNM Invertebrate Zoology Cnidaria Collection (3 records) (from synonym Obelia corona Torrey, 1904)
To USNM Invertebrate Zoology Cnidaria Collection (8 records) (from synonym Obelia bicuspidata Clark, 1875)
To ITIS
To Barcode of Life (8 barcodes)
To Biodiversity Heritage Library (10 publications) (from synonym Obelia longicyatha Allman, 1877)
To Biodiversity Heritage Library (11 publications) (from synonym Clytia longicyatha (Allman, 1877))
To Biodiversity Heritage Library (12 publications) (from synonym Obelia corona Torrey, 1904)
To Biodiversity Heritage Library (2 publications) (from synonym Laomedea bicuspidata (Clark, 1875))
To Biodiversity Heritage Library (2 publications) (from synonym Laomedea spinulosa (Bale, 1888))
To Biodiversity Heritage Library (21 publications) (from synonym Obelia bicuspidata Clark, 1875)
To Biodiversity Heritage Library (24 publications)
To Biological Information System for Marine Life (BISMaL) (from synonym Obelia bicuspidata Clark, 1875)
To European Nucleotide Archive, ENA (Obelia bidentata)
To GenBank (32 nucleotides; 11 proteins)
To PESI
To USNM Invertebrate Zoology Cnidaria Collection (1 record) (from synonym Obelia longicyatha Allman, 1877)
To USNM Invertebrate Zoology Cnidaria Collection (12 records)
To USNM Invertebrate Zoology Cnidaria Collection (13 records) (from synonym Clytia longicyatha (Allman, 1877))
To USNM Invertebrate Zoology Cnidaria Collection (3 records) (from synonym Obelia corona Torrey, 1904)
To USNM Invertebrate Zoology Cnidaria Collection (8 records) (from synonym Obelia bicuspidata Clark, 1875)
To ITIS
Unreviewed
