Abstract

SummaryFabianiaSilvestri, a morphologically distinctive larger foraminifer, is circum-global in distribution and is reported to be almost equally abundant in the three marine Tertiary provinces, Tethyan, Indo-Pacific and Caribbean-American. The genus is reported to range from Upper Palaeocene to the top of the Eocene. During the mid-late EoceneFabianiaseems to have been represented by three species,F. cassis(Oppenheim),F. cubensis(Cole & Bermudez) andF. saipanensisCole. In the Indian subcontinent it is known only from eastern India, where it is represented byF. cassisandF. saipanensis. F. indicaNagappa is here regarded as a junior synonym ofF. saipanensisCole.F. cassisis reported for the first time from India. In eastern India,Fabianiais found to be restricted to the middle to upper part of the Middle Eocene.

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