Opis

Type species: Straparollus altus d‘Orbigny, 1853; Bathonian, France.
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.