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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.
Is this slug Arion ater or Arion rufus? Thanks in advance. -GTBacchus(talk) 02:13, 9 July 2007 (UTC)[reply]
This reply comes over two years late, but I wanted to note that you can sometimes guess at the identity of these slugs based on the color, but when they are this brown color you cannot really tell the difference between those two species except using dissection to look at the reproductive organs. And even that is not always conclusive. Some authorities think that A. rufus and A. ater might hybridize, or that they both might be subspecies of one species. Best, Invertzoo (talk) 12:30, 7 October 2009 (UTC)[reply]
