Geological Time: Cretaceous Upper Cretaceous
the image is published under
CC BY-NO-SA in the World Foraminifera Database
View of a specimen of Vanderbeekia trochoidea Brönnimann & Wirz, 1962
The identification is based upon:
, : Brönnimann, P.; Wirz, A. (1962). New Maastrichtian rotaliids from Iran and Libya. Eclogae Geologicae Helvetiae. 55: 519-528. Plate , Fig.
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