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Taxonomy: For all marine species, Project Gastropods uses the taxonomy in the online database WoRMS. When starting a new article, do not use sources of taxonomic information that predate the 2017 revision for all gastropod groups ("Revised Classification, Nomenclator and Typification of Gastropod and Monoplacophoran Families" by Philippe Bouchet & Jean-Pierre Rocroi, Bernhard Hausdorf, Andrzej Kaim, Yasunori Kano, Alexander Nützel, Pavel Parkhaev, Michael Schrödl and Ellen E. Strong in Malacologia, 2017, 61(1–2): 1–526.) (can be dowloaded at Researchgate.net), substituting the previous classification of 2005 Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005). If you need help with any aspect of an article, please leave a note at the Project talk page.
In this section of the nudibranchs there seems to be a problem:- the genus Cratena, comes up in a Wiki search as either belonging to the subfamily Crateninae or else to the family Glaucidae. Both the subfamily and the family have validity under the online B&R taxonomy which is available to me. Unfortunately, I do not have access to the complete taxonomy in order to decide which group Cratena actually falls under and ask that someone who does sorts this out if at all possible. Because this Wiki entry references B&R, I have left my detailed taxonomy of Cratena capensis as at 18 November 2009 as belonging to Crateninae. Seascapeza (talk) 07:23, 18 November 2009 (UTC)[reply]