Gatunek typowy
Trochus (Ziziphinus) guillieri Cossmann, 1885. Bathonian, Domfront, France.

Opis

Shell well elevated, anomphalous, whorls fairly numerous, flat or almost so, spirally striated or smooth, last with angular or sharply rounded periphery; base feebly convex; columellar lip simple, with moderately broad, callous outer surface having distinct outer margin, commonly an angulation.

Synonimy

Zasięg czasowy

Early Jurassic to Late Cretaceous (Senonian)

Literatura

Cossmann, M. 1918. Essais de paléoconchologie comparée. Onzième livraison. Paris, 388 pp.