Bivalvia - Pectinida - Pectinoidae

Alternative combination: Pecten callimorphus

Full reference: C. J. Maury. 1924. Fosseis Terciarios Do Brazil. Serico Geologico E Mineralogico Do Brazil Monograph 49

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

Sister taxa: Chlamys (Chlamys) albida, Chlamys (Chlamys) anderssoni, Chlamys (Chlamys) arakawai, Chlamys (Chlamys) behringiana, Chlamys (Chlamys) cosibensis, Chlamys (Chlamys) ermanensis, Chlamys (Chlamys) etolonensis, Chlamys (Chlamys) gackhense, Chlamys (Chlamys) hastata, Chlamys (Chlamys) iljinensis, Chlamys (Chlamys) indissolubilis, Chlamys (Chlamys) islandica, Chlamys (Chlamys) itoigawae, Chlamys (Chlamys) iwamurensis, Chlamys (Chlamys) iwriensis, Chlamys (Chlamys) jordani, Chlamys (Chlamys) karaginskiensis, Chlamys (Chlamys) kavranensis, Chlamys (Chlamys) miyatokoensis, Chlamys (Chlamys) otukae, Chlamys (Chlamys) parisiensis, Chlamys (Chlamys) plinsbachiensis, Chlamys (Chlamys) pseudohastata, Chlamys (Chlamys) pseudolioica, Chlamys (Chlamys) quilonensis, Chlamys (Chlamys) rendoi, Chlamys (Chlamys) rubida, Chlamys (Chlamys) rutteni, Chlamys (Chlamys) sendaiensis, Chlamys (Chlamys) tapensis, Chlamys (Chlamys) textoria, Chlamys (Chlamys) thalerus, Chlamys (Chlamys) varia, Chlamys (Chlamys) wajampolkensis, Chlamys (Chlamys) yastchanensis

Type specimen: Its type locality is Rio Pirabas (Maury coll.), which is in a Miocene shallow subtidal limestone/limestone in the Pirabas Formation of Brazil