Discorbis aktagi  Bykova, 1947
 
Class: Rotaliata  Subclass: Rotaliana  Order: Discorbida  Family: Discorbidae
 
   Southern Siberian Mountains   Uzbekistan
 
Geological Time: Cretaceous  Upper Cretaceous  Cenomanian

the drawings are published in the book cited below
 
 
View of a specimen of Discorbis aktagi  Bykova, 1947

width about 120µm
 
The identification is based upon:
 Mjatliuk. E.V., 1953: Fossil foraminifera of the USSR. Spirillinidae, Rotalliidae, Epistominidae and Asterinidae.  V.N.I.G.R.I. 11 271 pp. Plate 2-2, Fig. 3
 
 
genus.php?no=1010823&aktion=suche
 
dataset number: FEU-1010823
 
 
Citation:
Mjatliuk. E.V., 1953: Fossil foraminifera of the USSR. Spirillinidae, Rotalliidae, Epistominidae and Asterinidae. V.N.I.G.R.I. 11 271 pp. Plate 2-2, Fig 3