Discorbis tjoplovkaensis  Dain, 1948
 
Class: Rotaliata  Subclass: Rotaliana  Order: Discorbida  Family: Discorbidae
 
   East European Platform   Russia
 
Geological Time: Jurassic  Middle Jurassic  Callovian

the drawings are published in the book cited below
 
 
View of a specimen of Discorbis tjoplovkaensis  Dain, 1948

width about 220µm
 
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 2-1, Fig. 1
 
 
genus.php?no=1010814&aktion=suche
 
dataset number: FEU-1010814
 
 
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 2-1, Fig 1