Rodzaj Colpomphalus Cossmann, 1915
Gatunek typowy Opis Spire low; upper whorl surface concave or flat, extending to tuberculate periphery; outer whorl face more or less convex, inclined inward abapically to tuberculate angulation forming umbilical border; aperture subquadrangular, peristome continuous, angular at junction of columellar and basal lips. Synonimy Zasięg czasowy Early (Hettangian) to Mid Jurassic (Bathonian). Literatura Cossmann, M. 1915. Étude complementaire sur le Charmoutien de la Vendée. Mémoires de la Société linnéenne de Normandie, Section geologique, 33,113–159. |
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