Bivalvia - Pectinida - Pectinoidae

Alternative combination: Pecten agronomica

Belongs to Chlamys (Argopecten) according to V. A. Tavora et al. 2004

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) 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, Pecten (Plagioctenium) subdolus

Type specimen: Its type locality is Estacao Agronomica - Bed 6 (Estacao Lmst.), which is in a Miocene carbonate marl in the Pirabas Formation of Brazil

Ecology: facultatively mobile epifaunal suspension feeder