Traits taxon details
original description
(of Cardium sphaeroideum Forbes, 1845 †) Forbes, E. (1845). Catalogue of Lower Greensand Fossils, in the Museum of the Geological Society. <em>The Quarterly Journal of the Geological Society of London.</em> 1: 237-250, 345-355., available online at https://www.biodiversitylibrary.org/page/37078334 page(s): 243, pl. 2, fig. 8 [details]
basis of record
Yanin, B. T. (2021). Bivalvia and Stratigraphy of the Lower and Middle Berriasian of the Crimea. <em>Paleontological Journal.</em> 55(S1): S1-S152., available online at https://doi.org/10.1134/s0031030121130025 page(s): S128, pl. 17, figs 9-14, textfig. 28.6a, b [details] Available for editors
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