The foraminiferal genus Orbitolina in North America ; a study of the genus Orbitolina, its type species, morphology, and stratigraphic and geographic distribution in North America.

Bibliographic Details
Main Author: Douglass, Raymond C. (Raymond Charles)
Format: Government Document Book
Language:English
Published: Washington : U.S. Govt. Print. Off, 1960.
Series:Professional paper (Geological Survey (U.S.)) ; 333.
Subjects:

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