Fusulinid biostratigraphy and correlations between the Appalachian and eastern interior basins /

by Douglass, Raymond C. (Raymond Charles)
Published 1987

Pennsylvanian fusulinids from southeastern Alaska /

by Douglass, Raymond C. (Raymond Charles)
Published 1971

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.

by Douglass, Raymond C. (Raymond Charles)
Published 1960

Morphologic studies of fusulinids from the Lower Permian of West Pakistan /

by Douglass, Raymond C. (Raymond Charles)
Published 1970

Permian Tethyan fusulinids from California /

by Douglass, Raymond C. (Raymond Charles)
Published 1967

The foraminiferal genus Orbitolina in North America /

by Douglass, Raymond C. (Raymond Charles)
Published 1960

Morphologic studies of fusulinids from the Lower Permian of West Pakistan /

by Douglass, Raymond C. (Raymond Charles)
Published 1970

Fusulinid biostratigraphy and correlations between the Appalachian and eastern interior basins /

by Douglass, Raymond C. (Raymond Charles)
Published 1987

Late Paleozoic Foraminifera from southern Chile /

by Douglass, Raymond C. (Raymond Charles), Nestell, Merlynd K.

Late Paleozoic Foraminifera from southern Chile /

by Douglass, Raymond C. (Raymond Charles), Nestell, Merlynd K.
Published 1976

Stratigraphy and microfaunas of the Oquirrh Group in the southern East Tintic Mountains, Utah /

by Morris, H. T. (Hal Tryon), 1920-, Douglass, Raymond C. (Raymond Charles), Kopf, Rudolph W. (Rudolph William), 1922-
Published 1977

Stratigraphy and paleontology of the uppermost Pennsylvanian and lowermost Permian rocks in Kansas /

by Mudge, Melville R., 1921-2009, Yochelson, Ellis L. (Ellis Leon), 1928-2006, Douglass, Raymond C. (Raymond Charles)
Published 1962

Stratigraphy and microfaunas of the Oquirrh Group in the southern East Tintic Mountains, Utah /

by Morris, H. T. (Hal Tryon), 1920-