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Porifera 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): 44 [details] Available for editors [request]
original description
(of Phakellia papyracea Ridley & Dendy, 1886) Ridley, S.O.; Dendy, A. (1886). Preliminary report on the Monaxonida collected by H.M.S. Challenger. Part I. <em>Annals and Magazine of Natural History.</em> 18: 325-351, 470-493. page(s): 478 [details] 
original description
(of Phakellia papyracea Ridley & Dendy, 1886) Ridley, S.O.; Dendy, A. (1887). Report on the Monaxonida collected by H.M.S. 'Challenger' during the years 1873-76. <em>Report on the Scientific Results of the Voyage of H.M.S. Challenger during the years 1873–76. Zoology.</em> 20 (part 59): i-lxviii, 1-275, pl. 1-51, 1 map., available online at http://www.19thcenturyscience.org/HMSC/HMSC-Reports/Zool-59/README.htm page(s): 172 [details] 
source of synonymy
(of Phakellia papyracea Ridley & Dendy, 1886) 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]
From editor or global species database
Nomenclature We cite here Van Soest et al.'s (2020:43-44) explanation for the nomen novum.
Removal of homonymy between Phakellia papyracea Carter, 1886 = Echinoclathria leporina (Lamarck, 1814) and Phakellia papyracea Ridley & Dendy, 1886.
1. Phakellia papyracea Carter, 1886: 379 (type locality Port Western, Southeast Australia). This species was reassigned to the synonymy of Echinoclathria leporina (Lamarck, 1814: 444) by Hooper & Wiedenmayer (1994: 280). It was described in the same volume as Phakellia papyracea sensu Ridley & Dendy, 1886 but on p. 478, making it a senior homonym on the basis of ICZN Art. Rec. 69A.10 (page precedence).
2. Phakellia papyracea Ridley & Dendy, 1886: 478 (type locality Prince Edward and Crozet Isands, Southern Indian Ocean). Lambe (1893: 76) used this name for an unnamed ‘variety’ found in the Canadian Arctic. The variety not only was reported at a large distance from the type locality but also had considerably different shape as well as much smaller spicules. Subsequently, Hentschel (1929) decided Lambe’s variety deserved a new name, Phakellia beringensis Hentschel, 1929: 975. Hentschel’s species was reassigned by Hooper (1996: 482) to genus Echinoclathria Carter, 1885: 355 as E. beringensis, but this did not concern Ridley & Dendy’s Phakellia papyracea, only the variety of Lambe. So far, Phakellia papyracea sensu Ridley & Dendy remains undiscussed and the World Porifera Database accepted the combination as valid. It is a junior primary homonym and needs to be renamed, regardless of its true genus identity (ICZN Art. 60.3).
3. Summary: Echinoclathria papyracea (Carter, 1886) is to be maintained as a junior synonym of Echinoclathria leporina (Lamarck, 1814) (ICZN Art. 57.2). Phakellia papyracea Ridley & Dendy, 1886 is a junior primary homonym without known synonyms and thus needed to be renamed (ICZN Art. 60.3). To remove the homonymy, Phakellia stuartridleyi nom. nov. was proposed, named after Stuart Ridley. [details]
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