Traits taxon details
original description
Gordon, M.J. and Yochelson, E.L. (1983). A gastropod fauna from the Cravenoceras hesperium ammonoid zone (Upper Mississippian) in East-central Nevada. <em>Journal of Paleontology.</em> 57: 971–991. page(s): 984, figs 3D-F [details] Available for editors
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