Traits taxon details
original description
Meek, F. B.; Worthen, A. H. (1866). Descriptions of invertebrates from the Carboniferous System, Illinois. <em>Geological Survey of Illinois.</em> 2: 145-411., available online at https://www.biodiversitylibrary.org/page/40446334 page(s): 160 [details]
basis of record
HornĂ½ R.J. (2002). Ordovician Tergomya and isostrophic Gastropoda (Mollusca) of Bohemia: Types and referred specimens in the collections of the National Museum, Prague, Czech Republic. <em>Acta Musei Nationalis Pragae, Series B (Historia Naturalis).</em> 57 [2001]: 69-102. page(s): 78 [details]
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