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Current identification/main database link: Hedbergella infracretacea (Glaessner, 1937)
Original Description
Test trochospiral, dorsal side quite convex. Peripheral margin undulately curved. Spire consists of 2 whorls, the last of which contains 5-6 spheroidal chambers. Proloculus, the smallest chamber, stands out clearly on the dorsal side. Chambers very strongly increase in size as added. Umbilical depression attains a considerable size. Sutures simple, strongly depressed. Aperture a semicircular slit, opens into the umbilicus. Wall calcareous.
Agalarova, D. A. (1951). Studies of microfauna from Cretaceous deposits of Azerbaydzhan. Aznefteizdat, Baku. 1-128. gsReferences:
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Globigerina aptica compiled by the pforams@mikrotax project team viewed: 28-1-2021
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