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Geological Time: Paleogene Eocene
holotype
View of a specimen of Clavulina guayabalensis Cole, 1927
The identification is based upon:
, : Cole, W. S. (1927). A foraminiferal fauna from the Guayabal formation in Mexico. Bulletins of American Paleontology. 14(51): 1-47. Plate , Fig.
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