ammonites
Biconcava (foram)

Rhizaria - Mayncinidae

Parent taxon: Mayncinidae according to A. R. Loeblich and H. Tappan 1988

Sister taxa: Comaliamma, Daxia, Deuterospira, Flabellocyclolina, Freixialina, Gendrotella, Mayncina, Phenacophragma, Stomatostoecha

Subtaxa: none

Ecology: stationary semi-infaunal omnivore