Spirillina sp. ---
 
Class: Spirillinata  Subclass: Spirillinana  Order: Spirillinida  Family: Spirillinidae
 
found near Tula oblast
   East European Platform   Russia
 
Geological Time: Carboniferous  Mississippian  Middle Mississippian

the drawings are published in the book cited below
 
 
View of a specimen of Spirillina sp. ---

length about 1280µm
cross section
 
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 1-1, Fig. 3
 
 
genus.php?no=1010803&aktion=suche
 
dataset number: FEU-1010803
 
 
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 1-1, Fig 3