Traits name details
original description
Cossmann, M. & Pissarro, G. (1909) The Mollusca of the Ranikot Series. Part 1.-Cephalopoda and Gastropoda. Memoirs of the Geological Survey of India, Palaeontologia Indica, new series, 3, xix + 1–83,8 pls. page(s): 10, pl. 1 figs 29-30 [details] 
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