Nummulites guayabalensis Barker, 1939       

Class: Rotaliata  Subclass: Rotaliana  Order: Nummulitida  Family: Nummulitidae
Taxon Profile

found      Mexico and Middle America   North America

Geological Time:     

syntype

classification and image courtesy of
Smithsonian Institution National Museum of Natural History

View of a specimen of Nummulites guayabalensis Barker, 1939

The classification is published in:
Barker, R. W. (1939). Species of the foraminiferal family Camerinidae in the Tertiary and Cretaceous of Mexico. Proceedings of the United States National Museum. 86(3052): 305-330. as USNM
accessed