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Geological Time: Cretaceous Upper Cretaceous
holotype
View of a specimen of Astacolus velascoensis White, 1928
The identification is based upon:
, : White, M. P. (1928). Some index foraminifera of the Tampico Embayment area of Mexico. Parts 1, 2. Journal of palaeontology. 2(3-4): 177-215; 280-317. Plate , Fig.
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