Bivalvia - Pectinida - Pectinoidae

Alternative combinations: Chlamys arakawai, Pecten arakawai

Full reference: S. Nomura. 1935. Miocene Mollusca from the Nisi-Tsugaru district, Aomori-ken, Northeast Honshu, Japan. Saito Ho-on Kai Museum, Research Bulletin 6:19-74

Belongs to Chlamys (Chlamys) according to A. I. Kafanov et al. 2001

Sister taxa: Chlamys (Chlamys) albida, Chlamys (Chlamys) anderssoni, Chlamys (Chlamys) behringiana, Chlamys (Chlamys) callimorphus, 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

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): length 57.1