Gatunek typowy

Opis

Type species: Pleurotomaria plicopunctata Eudes-Deslongchamps, 1849; Bajocian, France.
Shell low-turbiniform to sublenticular, pheneromphalous; narrowly open umbilicus and a strongly convex base; ornament closely spaced collabral costellae (usually dominant) and spiral threads; the periphery is commonly crenate; the selenizone is narrow, smooth, often projecting onto the upper whorl face near the periphery; the labral slit is short. 

Synonimy

Zasięg czasowy

Lower Jurassic (Toarcian) to Upper Jurassic (Oxfordian).

Literatura

Cox, l.R. 1959. Diagnose of two new genera of Mesozoic Pleurotomariidae. Proceedings of the Malacological Society of London, 33, 238.