Superfamily CHILOSTOMELLACEA Brady, 1881
Chilostomellacea Loeblich and Tappan .1982 (1917), p. 36, nom. transl. ex family Chilostomellidae
Test enrolled, trochospiral, chambers may be somewhat enveloping, and attached forms may uncoil in the adult; wall of perforate hyaline oblique calcite, appearing optically granular; aperture interiomarginal, extending from the periphery nearly to the umbilicus on the umbilical side or may extend up the apertural face as a high slit, becoming terminal and rounded in uncoiled forms. L. Cretaceous (Barremian) to Holocene.