The foraminiferal genus Orbitolina in North America
Subtitle: a study of the genus Orbitolina, its type species, morphology, and stratigraphic and geographic distribution in North America.
Publisher: U.S. Govt. Print. Off.
Published: 1960
Place of publication: Washington
Language: eng
Number of pages: 52
Subjects: Orbitolina; Foraminifera, Fossil -- North America; Paleontology -- Cretaceous
Notes: Bibliography: p. 45-50.