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Porifera name detailsHymedesmia (Hymedesmia) simillima var. antarctica Hentschel, 1914
568002 (urn:lsid:marinespecies.org:taxname:568002)
unaccepted (status change)
Variety
marine,
recent only
(of Hymedesmia simillima var. antarctica Hentschel, 1914) Hentschel, E. (1914). Monaxone Kieselschwämme und Hornschwämme der Deutschen Südpolar-Expedition 1901-1903. <em>Deutsche Südpolar-Expedition.</em> 15 (1): 35-141, pls IV-VIII., available online at https://doi.org/10.5962/bhl.title.10415
page(s): 112 [details] 
Homonymy Hentschel (1914) erected three varieties antarctica for three different Hymedesmia species. These are homonyms of which...
Homonymy Hentschel (1914) erected three varieties antarctica for three different Hymedesmia species. These are homonyms of which only one can be the senior homonym, the other two need to be renamed. Boury-Esnault & Van Beveren incorrectly assumed that varieties cannot be upgraded to species (they can be if older than 1960), so their action to take authorship for a species Hymedesmia antarctica based on Hymedesmia simillima var. antarctica Hentschel is invalid. Still, they assigned a holotype from Kerguelen, which needs to be compared closely with the Antarctic specimens of Hentschel to establish they are the same species. If so, then authorship would go to Hentschel (not Boury-Esnault & Van Beveren). The other two Hymedesmia varieties named antarctica by Hentschel need to be renamed. [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. Hymedesmia (Hymedesmia) simillima var. antarctica Hentschel, 1914. Accessed at: https://www.marinespecies.org/porifera/porifera.php?p=taxdetails&id=568002 on 2026-02-28
Date action by
original description
(of Hymedesmia simillima var. antarctica Hentschel, 1914) Hentschel, E. (1914). Monaxone Kieselschwämme und Hornschwämme der Deutschen Südpolar-Expedition 1901-1903. <em>Deutsche Südpolar-Expedition.</em> 15 (1): 35-141, pls IV-VIII., available online at https://doi.org/10.5962/bhl.title.10415
page(s): 112 [details] From editor or global species database
Homonymy Hentschel (1914) erected three varieties antarctica for three different Hymedesmia species. These are homonyms of which only one can be the senior homonym, the other two need to be renamed. Boury-Esnault & Van Beveren incorrectly assumed that varieties cannot be upgraded to species (they can be if older than 1960), so their action to take authorship for a species Hymedesmia antarctica based on Hymedesmia simillima var. antarctica Hentschel is invalid. Still, they assigned a holotype from Kerguelen, which needs to be compared closely with the Antarctic specimens of Hentschel to establish they are the same species. If so, then authorship would go to Hentschel (not Boury-Esnault & Van Beveren). The other two Hymedesmia varieties named antarctica by Hentschel need to be renamed. [details]
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