Original Description Globigerinidae, in which the test is clearly trochoid, possessing a primary aperture which is interiomarginal umbilical-extraumbilical during ontogeny, butwhich iscovered in the adult by a bulla [Eocene to Miocene].
Banner, F. T. & Blow, W. H. (1959). The classification and stratigraphical distribution of the Globigerinaceae. Palaeontology. 2(1): 1-27. gsVO
Globorotaloidinae compiled by the pforams@mikrotax project teamviewed: 20-9-2021