Laptev Sea Russia
from cores into the continental margin of the Laptev Sea
Geological Time: Quaternary Holocene
specimen provided and classification done by:
View of a specimen of Polymorphina sp. ---
lateral view
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 458, Fig.