Geological Time:
the image is published under
CC BY-NO-SA in the World Foraminifera Database
View of a specimen of Polylepidina chiapasensis (Vaughan, 1924)
The identification is based upon:
, : Vaughan, T. W. (1924). American and European Tertiary Larger Foraminifera. Geological Society of America Bulletin. 35(4): 785-822. Plate , Fig.