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Geological Time: Neogene Miocene
holotype
View of a specimen of Cibicidoides atratiensis (Tolmachoff, 1934)
The identification is based upon:
, : Tolmachoff, I. (1934). A miocene microfauna and flora from the Atrato River, Colombia, South America. Annals of The Carnegie Museum. 23: 275-356. Plate , Fig.
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