ammonites
Polychasmina (foram)

Rhizaria - Hormosinidae

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

Sister taxa: Bireophax, Cuneata, Psammolingulina, Sulcophax, Warrenita

Subtaxa: none

Ecology: stationary infaunal detritivore