Gatunek typowy
Trochus reticulatus Sowerby, 1821; Kimmeridgian, England.

Opis

Shell trochiform, elevated to depressed, anomphalous to broadly phaneromphalous; whorls (at least in earlier growth stages) angulate; with usually broad ramp; second carina or angulation just overlapped on spire, delimiting base; selenizone at ramp angle; ornament spiral threads commonly cancellated by collabral threads.

Synonimy

Zasięg czasowy

Early Jurassic (Sinemurian) to Late Cretaceous (early Maastrichtian)

Literatura

Cox, l. R. 1956. Jurassic Mollusca from Peru. Journal of Paleontology, 30, 1179–1186.