Gatunek typowy
Pseudarietites silesiacus Frech, 1902

Opis

Conch thin discoidal, evolute, with wide umbilicus. Growth lines with shallow ventral simus. Flanks with prominent linear ribs; no constrictions, Venter with keel and usually two furrows, rarely oxycone.
Ventral lobe parallel-sided, adventitious lobe deep and rounded, lateral lobe shallow, centering on umbilical seam.

Synonimy

Zasięg czasowy

Literatura