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Porifera taxon detailsHyalonema (Coscinonema) okadai Van Soest & Hooper, 2020
1424186 (urn:lsid:marinespecies.org:taxname:1424186)
accepted
Species
Hyalonema (Coscinonema) ovatum Okada, 1932 · unaccepted (preoccupied)
Hyalonema ovatum Okada, 1932 · unaccepted (preoccupied & subgenus assignment)
marine,
(of Hyalonema (Coscinonema) ovatum Okada, 1932) Okada, Y. (1932). Report on the hexactinellid sponges collected by the United States Fisheries steamer ‘Albatros' in the northwestern Pacific during the summer of 1906. <em>Proceedings of the United States National Museum.</em> 81(2935): 1-118, pls 1-6., available online at https://doi.org/10.5479/si.00963801.81-2935.1
page(s): 26-29 [details] Available for editors  [request]
Type locality contained in Central Kuroshio Current
type locality contained in Central Kuroshio Current [from synonym] [view taxon] [details]
Nomenclature We cite here Van Soest et al's (2020: 43) explanation for the nomen novum.
Removal of homonymy between Hyalonema...
Nomenclature We cite here Van Soest et al's (2020: 43) explanation for the nomen novum. Removal of homonymy between Hyalonema (Cyliconema) ovatum Ijima, 1895 and Hyalonema (Coscinonema) ovatum Okada, 1932. 1. Hyalonema ovatum Ijima, 1895: 95 (type locality Sagami Bay, Japan). This species was reassigned to Hyalonema (Cyliconema) ovatum by Ijima (1927: 367). It is a senior primary homonym of Okada’s species (ICZN Art. 57.2). 2. Hyalonema (Coscinonema) ovatum Okada, 1932: 26 (type locality South Southwest of Omaizaki, Japan). Okada was apparently unaware of Ijima’s Hyalonema ovatum as he did not refer to it. It is a clear junior homonym (ICZN Art. 57.2). Neither species were mentioned in Tabachnick & Menshenina’s (2002) review of the family Hyalonematidae. 3. Summary: Hyalonema (Cyliconema) ovatum Ijima, 1895 is to be maintained as the senior primary homonym (ICZN Art. 57.2). Hyalonema (Coscinonema) ovatum Okada, 1932 is a junior primary homonym without obvious synonyms and thus needed to be replaced (ICZN Art. 60.3). To remove the homonymy, Hyalonema (Coscinonema) okadai nom. nov. was proposed, named after Yaichiro Okada. [details]
de Voogd, N.J.; Alvarez, B.; Boury-Esnault, N.; Cárdenas, P.; Díaz, M.-C.; Dohrmann, M.; Downey, R.; Goodwin, C.; Hajdu, E.; Hooper, J.N.A.; Kelly, M.; Klautau, M.; Lim, S.C.; Manconi, R.; Morrow, C.; Pinheiro, U.; Pisera, A.B.; Ríos, P.; Rützler, K.; Schönberg, C.; Turner, T.; Vacelet, J.; van Soest, R.W.M.; Xavier, J. (2025). World Porifera Database. Hyalonema (Coscinonema) okadai Van Soest & Hooper, 2020. Accessed at: https://marinespecies.org/porifera/porifera.php?p=taxdetails&id=1424186 on 2026-06-03
Date action by
original description
(of Hyalonema (Coscinonema) ovatum Okada, 1932) Okada, Y. (1932). Report on the hexactinellid sponges collected by the United States Fisheries steamer ‘Albatros' in the northwestern Pacific during the summer of 1906. <em>Proceedings of the United States National Museum.</em> 81(2935): 1-118, pls 1-6., available online at https://doi.org/10.5479/si.00963801.81-2935.1
page(s): 26-29 [details] Available for editors [request]replacement name source Van Soest, R.W.M.; Hooper, J.N.A.; Butler, P.J. (2020). Every sponge its own name: removing Porifera homonyms. <em>Zootaxa.</em> 4745(1): 1-93., available online at https://doi.org/10.11646/zootaxa.4745.1.1 page(s): 43 [details] Available for editors [request] Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Nomenclature We cite here Van Soest et al's (2020: 43) explanation for the nomen novum.Removal of homonymy between Hyalonema (Cyliconema) ovatum Ijima, 1895 and Hyalonema (Coscinonema) ovatum Okada, 1932. 1. Hyalonema ovatum Ijima, 1895: 95 (type locality Sagami Bay, Japan). This species was reassigned to Hyalonema (Cyliconema) ovatum by Ijima (1927: 367). It is a senior primary homonym of Okada’s species (ICZN Art. 57.2). 2. Hyalonema (Coscinonema) ovatum Okada, 1932: 26 (type locality South Southwest of Omaizaki, Japan). Okada was apparently unaware of Ijima’s Hyalonema ovatum as he did not refer to it. It is a clear junior homonym (ICZN Art. 57.2). Neither species were mentioned in Tabachnick & Menshenina’s (2002) review of the family Hyalonematidae. 3. Summary: Hyalonema (Cyliconema) ovatum Ijima, 1895 is to be maintained as the senior primary homonym (ICZN Art. 57.2). Hyalonema (Coscinonema) ovatum Okada, 1932 is a junior primary homonym without obvious synonyms and thus needed to be replaced (ICZN Art. 60.3). To remove the homonymy, Hyalonema (Coscinonema) okadai nom. nov. was proposed, named after Yaichiro Okada. [details] |
