Trilobatus trilobus Leroy, 1939
Class: Rotaliata  Subclass: Globigerinana  Order: Globigerinida  Family: Globigerinidae
   off Brazil   Brazil
Geological Time: Neogene  Miocene  
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View of a specimen of Trilobatus trilobus Leroy, 1939

var. immaturus

umbilical view
The identification is based upon:
 Bolli, H. M., Saunders, K. Perch-Nielsen, editors, 1985: Plankton stratigraphy  Cambridge University Press 599 pp. Plate 20, Fig. 14
dataset number: FEU-1004109
Bolli, H. M., Saunders, K. Perch-Nielsen, editors, 1985: Plankton stratigraphy Cambridge University Press 599 pp. Plate 20, Fig 14