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WoRMS taxon details
original description
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): 59 [details] Available for editors [request]
original description
(of Spongosorites topsenti Lévi & Vacelet, 1958) Lévi, C.; Vacelet, J. (1958). Éponges récoltées dans l'Atlantique oriental par le 'Président Théodore-Tissier' (1955-1956). <em>Revue des Travaux de l'Institut des Pêches maritimes 22 (2).</em> 225-246. page(s): 233; fig 14 [details]
From editor or global species database
Nomenclature We cite here Van Soest et al.'s (2020:58-59) explanation for the nomen novum.
Removal of homonymy between Spongosorites topsenti Dendy, 1905 and Topsentia topsenti (Lévi & Vacelet, 1958).
1. Spongosorites topsenti Dendy, 1905: 182 (type locality Gulf of Manaar, Sri Lanka). The original genus assignment, Spongosorites Topsent, 1896: 117, was amended by Thomas (1985: 329) who assigned the species to Epipolasis topsenti, but Pulitzer-Finali (1993: 278) reverted the assignment back to Spongosorites, which was also the combination accepted in the World Porifera Database. The species is not well-studied, and comparison with the genus Topsentia Berg, 1899: 77 is warranted.
2. Spongosorites topsenti Lévi & Vacelet, 1958: 233 (type locality Princesse Alice Bank, Azores). The species is reassigned to the genus Topsentia Berg, 1899 by Van Soest (2001: 91, table) without justification. The description by Lévi & Vacelet is interpreted to lack Spongosorites synapomorphies (cf. Erpenbeck & Van Soest 2002: 811) such as a flaky surface layer and spongin-enforced spicule tracts, and overall appears to be more likely to indicate membership of the related genus Topsentia. In support is the fact that Topsent (1928: 165) reported this species as Topsentia spec. Cruz (2002: 145) suggests the species is difficult to distinguish from Spongosorites intricatus (Topsent, 1892: xix). Despite this potential synonymy, the species needs to be renamed as a junior primary homonym (ICZN Art. 60.3).
3. Summary: Spongosorites topsenti Dendy, 1905 as senior primary homonym is to be maintained (ICZN Art. 57.2). Topsentia topsenti (Lévi & Vacelet, 1758) is a junior primary homonym. to remove the homonymy Topsentia levivaceletorum
nom. nov. was proposed, named after the authors Claude Lévi and Jean Vacelet. [details]
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