Involutina liassica  (Jones, 1853)
 
Class: Spirillinata  Subclass: Spirillinana  Order: Involutinida  Family: Involutinidae
 
found in unknown
      Switzerland
 
Geological Time: Jurassic  Lower Jurassic  
 
the image is from a publication, which is cited in the table descriptions of the below cited book by
 
 
 
The identification is based upon:
 Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification.  Van Nostrand, Reinhold Co. New York 1728 pp. Plate 314, Fig. 4
 
 
genus.php?no=1014858&aktion=suche
 
dataset number: FEU-1014858