Bivalvia - Venerida - Chamidae
Alternative spelling: Psilopus
Parent taxon: Chama according to O. Mandic et al. 2002
See also Dockery 1982
Sister taxa: Chama (Chama), Chama (Cipliacella), Chama aculeata, Chama arcana, Chama asperella, Chama aspersa, Chama berjadinensis, Chama bezanconi, Chama brassica, Chama calcarata, Chama callipona, Chama canaliculata, Chama chipolana, Chama congregata, Chama cornu, Chama corrugata, Chama corticosaformis, Chama detrita, Chama eudeila, Chama exogyra, Chama fimbriata, Chama florida, Chama fragum, Chama frondosa, Chama granti, Chama grunskyi, Chama gryphoides, Chama huttoni, Chama involuta, Chama janus, Chama lamellifera, Chama lazarus, Chama limbula, Chama macerophylla, Chama monroensis, Chama nejdensis, Chama oblongum, Chama pacifica, Chama pellucida, Chama piruensis, Chama pittensis, Chama pulchella, Chama radians, Chama radiata, Chama reflexa, Chama ruderalis, Chama scheibei, Chama sinuosa, Chama squamuligera, Chama strepta
Subtaxa: Chama (Psilopus) mississippiensis
Ecology: stationary epifaunal suspension feeder
Distribution:
• Miocene of Romania (1 collection)
• Oligocene of United States (9: Mississippi)
Total: 10 collections each including a single occurrence