Bivalvia - Pectinida - Pectinoidae

Full reference: L. G. Hertlein. 1925. Pectens from the Tertiary of Lower California. Proceedings of the California Academy of Sciences 14(1):1-35

Belongs to Pecten (Plagioctenium) according to E. K. Jordan and L. G. Hertlein 1926

Sister taxa: Argopecten ameleus, Argopecten anteamplicostata, Argopecten demiurgus, Argopecten eboreus yorkensis, Argopecten eccentricus, Argopecten gibbus, Argopecten gilbertharrisi, Argopecten gratus, Argopecten inaequalis, Argopecten insuetus, Argopecten irradians, Argopecten levicostatus, Argopecten nerterus, Argopecten parathetidis, Argopecten purpuratus, Argopecten thetidis, Argopecten uselmae, Argopecten venezualanus, Argopecten ventricosus, Argopecten woodringi, Chlamys (Argopecten) agronomica, Chlamys (Argopecten) daideleus, Chlamys (Plagioctenium) reedsi, Chlamys (Plagioctenium) diprosopa, Pecten (Plagioctenium) operculiformis, Pecten (Plagioctenium) callidus, Pecten (Plagioctenium) diminutivus, Pecten (Plagioctenium) evermanni, Pecten (Plagioctenium) cristobalensis, Pecten (Plagioctenium) hakei, Pecten (Plagioctenium) invalidus, Pecten (Plagioctenium) mendenhalli

Type specimen: LSJU (no number), a shell

Ecology: facultatively mobile epifaunal suspension feeder

Average measurements (in mm): shell 50.0 x 50.0