MolluscaBase taxon details

Rhizorus Montfort, 1810

153275  (urn:lsid:marinespecies.org:taxname:153275)

accepted
Genus
Rhizorus adelaidis Montfort, 1810 (type by original designation)
Species Rhizorus acuminatus (Bruguière, 1792) accepted as Volvulella acuminata (Bruguière, 1792)
Species Rhizorus adelaidis Montfort, 1810 (nomen dubium)
Species Rhizorus aomoriensis Nomura, 1939 accepted as Volvulella radiola (A. Adams, 1862)
Species Rhizorus attenuatus (A. Adams, 1862) accepted as Volvulella attenuata (A. Adams, 1862)
Species Rhizorus cylindrellus (A. Adams, 1862) accepted as Volvulella cylindrella (A. Adams, 1862)
Species Rhizorus fulmeniculum Marwick, 1931 † accepted as Volvulella fulmeniculum (Marwick, 1931) † (original combination)
Species Rhizorus kinokunianus Habe, 1946 accepted as Volvulella kinokuniana (Habe, 1946) (original combination)
Species Rhizorus marwicki Bartrum & Powell, 1928 † accepted as Volvulella marwicki (Bartrum & Powell, 1928) †
Species Rhizorus nesentus Finlay, 1926 accepted as Volvulella nesentus (Finlay, 1926)
Species Rhizorus opalinus (A. Adams, 1862) accepted as Volvulella opalina (A. Adams, 1862)
Species Rhizorus ovulinus (A. Adams, 1850) accepted as Volvulella ovulina (A. Adams, 1850)
Species Rhizorus oxytatus (Bush, 1885) accepted as Volvulella persimilis (Mörch, 1875)
Species Rhizorus radiolus (A. Adams, 1862) accepted as Volvulella radiola (A. Adams, 1862)
Species Rhizorus spectabilis (A. Adams, 1862) accepted as Volvulella spectabilis (A. Adams, 1862)
Species Rhizorus striatulus (A. Adams, 1850) accepted as Volvulella striatula (A. Adams, 1862)
Species Rhizorus tokunagai (Makiyama, 1927) accepted as Volvulella tokunagai (Makiyama, 1927)
marine
Montfort P. [Denys de]. (1808-1810). Conchyliologie systématique et classification méthodique des coquilles. <em>Paris: Schoell.</em> Vol. 1: pp. lxxxvii + 409 [1808]. Vol. 2: pp. 676 + 16 [1810 (before 28 May)]., available online at http://www.biodiversitylibrary.org/bibliography/10571
page(s): 338 [details]   
Taxonomy Volvulella versus Rhizorus: Unfortunately many shelled opisthobranchs have been named on the basis of their shells alone,...  
Taxonomy Volvulella versus Rhizorus: Unfortunately many shelled opisthobranchs have been named on the basis of their shells alone, and this is a case in point. For the last 100 years there has been an on-going debate, unhappily still unresolved, over the names Volvulella Newton, 1891 [type species Bulla acuminata Bruguiere, 1792] and Rhizorus Montfort, 1810 [type species R. adelaidis Montfort, 1810] and whether they are synonyms. The shells certainly look the same but as they were described only on the shell it is very difficult. On top of that, Mediterranean and North American workers seem to prefer Volvulella while workers on the European North Atlantic and Australian - New Zealand regions have opted for Rhizorus.
(note posted June 30, 2008 by W.B. Rudman in the Sea Slug Forum, Australian Museum, Sydney) [details]

Taxonomy This name should have priority over Volvulella but predominant usage is maintained herein until the above issue is settled.  
Taxonomy This name should have priority over Volvulella but predominant usage is maintained herein until the above issue is settled. [details]
MolluscaBase eds. (2021). MolluscaBase. Rhizorus Montfort, 1810. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=153275 on 2021-10-25
Date
action
by
2005-04-15 07:47:28Z
created
2010-06-09 12:49:55Z
changed
2011-09-24 17:15:04Z
changed
2013-11-27 18:57:35Z
changed
2019-07-13 22:49:21Z
changed

Creative Commons License The webpage text is licensed under a Creative Commons Attribution 4.0 License


original description Montfort P. [Denys de]. (1808-1810). Conchyliologie systématique et classification méthodique des coquilles. <em>Paris: Schoell.</em> Vol. 1: pp. lxxxvii + 409 [1808]. Vol. 2: pp. 676 + 16 [1810 (before 28 May)]., available online at http://www.biodiversitylibrary.org/bibliography/10571
page(s): 338 [details]   

status source Valdés, Á. (2008). Deep-sea "cephalaspidean" heterobranchs (Gastropoda) from the tropical southwest Pacific. In: Héros, V. et al. (eds) Tropical Deep-Sea Benthos 25. <em>Mémoires du Muséum national d'Histoire naturelle.</em> 196: 587-792. (look up in IMIS[details]   

status source Harry H.W. 1967. A review of the living tectibranch snails of the genus <i>Volvulella</i>, with descriptions of a new subgenus and species from Texas. <i>Veliger</i>, 10: 133-147, available online at http://biodiversitylibrary.org/page/42413856 [details]   
From editor or global species database
Taxonomy Volvulella versus Rhizorus: Unfortunately many shelled opisthobranchs have been named on the basis of their shells alone, and this is a case in point. For the last 100 years there has been an on-going debate, unhappily still unresolved, over the names Volvulella Newton, 1891 [type species Bulla acuminata Bruguiere, 1792] and Rhizorus Montfort, 1810 [type species R. adelaidis Montfort, 1810] and whether they are synonyms. The shells certainly look the same but as they were described only on the shell it is very difficult. On top of that, Mediterranean and North American workers seem to prefer Volvulella while workers on the European North Atlantic and Australian - New Zealand regions have opted for Rhizorus.
(note posted June 30, 2008 by W.B. Rudman in the Sea Slug Forum, Australian Museum, Sydney) [details]

Taxonomy This name should have priority over Volvulella but predominant usage is maintained herein until the above issue is settled. [details]

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