Traits taxon details
original description
(of ) Sowerby, J. (1818-1822). <i>The Mineral Conchology of Great Britain; or Coloured Figures and Descriptions of Those Remains of Testaceous Animals or Shells, which have been Preserved at Various Times and Depths in the Earth. </i>Vol. III. Privately published, London. pp. 1–40, pls. 204–221 (1818); pp. 41–98, pls. 222–253** (1819); pp. 99–126, pls. 254–271 (1820); pp. 127–186, pls. 272–306 (1821); pp. 187–194 (1822)., available online at https://www.biodiversitylibrary.org/page/51561256 page(s): 3: 128, pl. 272, fig. 2 [details]
basis of record
Gerasimov, P. A. (1992). Gastropody jurskikh i pogranichnykh mizhnemelovykh otlozhenij Evropejskoj Rossii [Jurassic and boundary Cretaceous gastropods of the European part of Russia]. Moskva: Nauka. 190 pp., 29 plates. page(s): 11, pl. I, figs. 2-4, 10, 12, 14; pl. II, figs. 4-6, 8; pl. V, fig. 2 [details] Available for editors 
additional source
Beisel A.L. (1983). Late Jurassic and Early Cretaceous gastropods of the North of Middle Siberia. <em>Moscow: Nauka.</em> 95 p. [in Russian]. page(s): 46, pl. 1, figs. 1 (а, б) [details] Available for editors 
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