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.

Douglass, Raymond C.

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. - Washington. U.S. Govt. Print. Off., 1960. - 52 p. illus., maps, diagrs. (3 fold. in pocket), tables. 29 cm.

Bibliography: p. 45-50.

gs 60000206


Orbitolina
Foraminifera, Fossil--North America
Paleontology--Cretaceous

QE75 / .P9 no. 333

563.1

I 19.16:333

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