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
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