basis of record: Coovert G.A. & Coovert H.K. (1995) Revision of the supraspecific classification of marginelliform gastropods. The Nautilus 109(2-3): 43-110. page(s): 70 [details]
Citation: Bouchet, P. (2013). Extra Jousseaume, 1894. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=204715 on 2013-06-18