Gatunek typowy
Pleurotomaria bitorquata Eudes-Deslongchamps, 1849; late Early Jurassic, France.

Opis

Shell is conical or coeloconoid, anomphalous or narrowly phaneromphalous; whorls flat or concave, last one with swollen band, commonly tuberculate or puckered, at periphery of flattened base; band visible on spire whorls, which also bear spiral threads; selenizone broad, below mid-whorl.

Synonimy

Zasięg czasowy

Early Jurassic to Late Cretaceous (Cenomanian)

Literatura

Fischer, P. 1885. Manuel de Conchyliologie et de Paléontologie conchyliologique. 689–896, Savy, Paris.