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Gyroidina
depressaeformis
Bykova, 1953
Class:
Globothalamea
Subclass:
Rotaliana
Order:
Rotaliida
Family:
Gavelinellidae
found near
unknown
Southern Siberian Mountains Tajikistan
Geological Time: Paleogene Paleocene
the drawings are published in the book cited below
Mjatliuk
width about 260µm
The identification is based upon:
Mjatliuk. E.V., 1953: