Bivalvia - Cardiida - Chamidae
Parent taxon: Chama according to E. J. Moore 1988
See also Dockery 1982 and Freneix et al. 1988
Sister taxa: Chama (Cipliacella), Chama (Psilopus), 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 (Chama) echinata Chama (Chama) pappiladerma
Ecology: stationary epifaunal suspension feeder
Distribution:
• Miocene of Indonesia (1 collection)
• Oligocene of United States (4: Mississippi)
• Eocene of Romania (3)
Total: 8 collections each including a single occurrence