Gatunek typowy
Trochus binodosus Münster, 1841. Late Triassic, Alps, Italy

Opis

Shell is small, ovate-conical, anomphalous or phaneromphalous, with moderately high spire  of convex whorls bearing collabral ribs crossed by few spiral threads, aperture suborbicular, peristome continuous; outer lip varicose. 

Synonimy

Zasięg czasowy

Mid Triassic (Ladinian) to Paleogene (Danian)

Literatura

Cossmann, M. 1895a. Paléontologie I. Paléozoologique. Gastéropodes. Annuaire Géologique Universel 10, 737–780.

Kaim, A. 2004. The evolution of conch ontogeny in Mesozoic open sea gastropods. Palaeontologia Polonica 62, 3–183.