Traits name details
original description
Petuch, E. J. (1992). New ecphoras (Gastropoda: Thaididae: Ecphorinae) from the Calvert Formation of Maryland (Langhian Miocene). <em>The Nautilus.</em> 106(2): 68-71, figs. 1-11., available online at https://www.biodiversitylibrary.org/page/8271308 page(s): 70-71, fig. 10 [details]
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