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Gyroidina umbilicata  (d'Orbigny, 1840)       

Class: Rotaliata  Subclass: Rotaliana  Order: Rotaliida  Family: Gavelinellidae
Taxon Profile

found near    Paris Basin   France   

Geological Time: Cretaceous  Upper Cretaceous  Campanian


the drawings are published in the book cited below Mjatliuk

View of a specimen of Gyroidina umbilicata (d'Orbigny, 1840)

width about 310µm

The identification is based upon:
Mjatliuk. E.V., 1953: Fossil foraminifera of the USSR. Spirillinidae, Rotalliidae, Epistominidae and Asterinidae. Book V.N.I.G.R.I. 11 271 pp. Plate 2-3, Fig. 6

                       



Citation:
Mjatliuk. E.V., 1953: Fossil foraminifera of the USSR. Spirillinidae, Rotalliidae, Epistominidae and Asterinidae. Book V.N.I.G.R.I. 11 271 pp. Plate 2-3, Fig. 6