ammonites
Acteocina cederstromi Richards 1947 (barrel-bubble)

Gastropoda - Cephalaspidea - Cylichnidae

Full reference: H. G. Richards. 1947. Invertebrate fossils from deep wells along the Atlantic Coastal Plain. Journal of Paleontology 21(1):23-37

Belongs to Acteocina according to H. G. Richards 1947

Sister taxa: Acteocina anetaspira, Acteocina bullata, Acteocina canaliculata, Acteocina candei, Acteocina chowanensis, Acteocina kirkwoodiana, Acteocina lepta, Acteocina puruha, Acteocina recta

Type specimen: ANSP 16771, a shell

Ecology: epifaunal carnivore

Average measurements (in mm): shell 4.20 x 2.00