off Brazil Brazil
Geological Time: Neogene Pliocene
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View of a specimen of Sphaeroidinellopsis seminulina Schwager, 1866
lateral view
The identification is based upon:
Bolli, H. M., Saunders, K. Perch-Nielsen, editors, 1985: Plankton stratigraphy Cambridge University Press 599 pp. Plate 38, Fig. 6-13
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