foraminiferal genus Orbitolina in North America
Subtitle: a study fo the genus Orbitolina, its type species, morphology, and stratigraphic and geographic distribution in North America
By: by Raymond C. Douglass.
Contributors: Geological Survey (U.S.)
Series: U.S. Geological Survey professional paper -- 333
Publisher: U.S. Government Printing Office
Published: 1960
Place of publication: Washington, DC
Language: eng
Number of pages: 52
Subjects: Orbitolina.; Foraminifera, Fossil -- North America.; Paleontology -- Cretaceous.
Notes: Bibliogr.

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