Bivalvia - Pectinida - Heteropectinidae

Alternative combinations: Aviculopecten sexcostatus, Pseudomonotis sexcostatus

Synonyms: Cassianella sexradiata Branson 1930, Cyrtorostra sexradiata Branson 1930

Belongs to Cassianoides according to K. Nakazawa 1999

Sister taxa: Cassianoides crassispinosus, Cassianoides kingorum, Cassianoides rara

Average measurements (in mm): valve length 3.95