ammonites
Heteropecten vanvleeti Beede 1902

Bivalvia - Pectinida - Heteropectinidae

Alternative combination: Aviculopecten vanvleeti

Belongs to Heteropecten according to N. D. Newell and D.W. Boyd 1995

Sister taxa: Heteropecten deplanata, Heteropecten exemplarius

Average measurements (in mm): valve length 27.3