Cranial anatomy of primitive captorhinid reptiles from the late Pennsylvanian and early Permian, Oklahoma and Texas /

New Permian vertebrates from the Chickasha formation in Oklahoma.
by: Olson, Everett C. (Everett Claire), 1910-1993
Published: (1965)

Biostratigraphy and rugose corals of the lower Pennsylvanian Wapanucka formation in Oklahoma /
by: Rowett, Charles L.
Published: (1964)

A review of the family Captorhinidae.
by: Seltin, Richard J., 1927-
Published: (1959)

Pennsylvanian and Permian algae.
by: Johnson, J. Harlan (Jesse Harlan), 1892-1974
Published: (1963)

The genus Paragassizocrinus in Oklahoma.
by: Strimple, Harrell L. (Harrell Leroy), 1912-1983
Published: (1960)

Desmoinesian fusulinids of northeastern Oklahoma /
by: Alexander, Richard D., 1925-
Published: (1954)

Crinoids from the Oologah formation (Pennsylvanian) Tulsa County, Oklahoma.
by: Strimple, Harrell L. (Harrell Leroy), 1912-1983
Published: (1962)

Late Desmoinesian crinoid faunele from Oklahoma /
by: Strimple, Harrell L. (Harrell Leroy), 1912-1983
Published: (1961)

Pennsylvanian cephalopods of Oklahoma.
by: Unklesbay, A. G. (Athel Glyde), 1914-
Published: (1962)

Two new pelycosaurs from the lower Permian of Oklahoma.
by: Fox, Richard C.
Published: (1962)

Lower Pennsylvanian ammonoids from the Bloyd formation of Arkansas and Oklahoma /
by: McCaleb, James A.
Published: (1968)

New Permian corals from Kansas, Oklahoma, and Texas /
by: Moore, Raymond C. (Raymond Cecil), 1892-1974

Lophophyllid corals from lower Pennsylvanian rocks of Kansas and Oklahoma /
by: Jeffords, Russell MacGregor, 1918-
Published: (1942)

New and little known genera and species of vertebrates from the Lower Permian of Oklahoma /
by: Olson, Everett C. (Everett Claire), 1910-1993
Published: (1970)

Early Devonian brachiopods of Oklahoma /
by: Amsden, Thomas William
Published: (1963)

Catalog of fossils from the Middle and Upper Ordovician of Oklahoma.
by: Amsden, Thomas William
Published: (1957)

Upper Bromide Formation and Viola Group (Middle and Upper Ordovician) in eastern Oklahoma.
Published: (1983)

Trilobites of the Henryhouse formation (Silurian) in Oklahoma /
by: Campbell, K. S. W. (Kenton Stewart Wall)
Published: (1967)

Ostracoda of the Simpson group of Oklahoma.
by: Harris, Reginald Wilson, 1901-
Published: (1957)

Ostracodes of the Henryhouse formation (Silurian) in Oklahoma /
by: Lundin, Robert F.
Published: (1965)

Ostracodes of the Haragan formation (Devonian) in Oklahoma /
by: Lundin, Robert F.
Published: (1968)

Crinoids of the Hunton group (Devonian-Silurian) of Oklahoma.
by: Strimple, Harrell L. (Harrell Leroy), 1912-1983
Published: (1963)

Rugose corals of the Henryhouse formation (Silurian) in Oklahoma.
by: Sutherland, Patrick K. (Patrick Kennedy), 1925-2000
Published: (1965)

Calceocrinids from the Bromide Formation (Middle Ordovician) of southern Oklahoma /
by: Brower, James C.
Published: (1977)

Late Cambrian and earliest Ordovician trilobites, Wichita Mountains area, Oklahoma /
by: Stitt, James H.
Published: (1977)

Late Cambrian and earliest Ordovician trilobites, timbered hills and lower Arbuckle groups, western Arbuckle Mountains, Murray County, Oklahoma /
by: Stitt, James H.
Published: (1971)

Part I. Geology of a portion of northeastern Oklahoma. : Part II. Paleontology of the Chester group in Oklahoma /
by: Snider, Luther C. (Luther Crocker), 1882-
Published: (1915)

The pliocene vertebrate fauna from Ellis County, Oklahoma.
by: Kitts, David B.
Published: (1957)

Trilobites of the Haragan, Bois d'Arc and Frisco Formations (Early Devonian) Arbuckle Mountains Region, Oklahoma /
by: Campbell, K. S. W. (Kenton Stewart Wall)
Published: (1977)

Articulate brachiopods of the Viola Formation (Ordovician) in the Arbuckle Mountains, Oklahoma /
by: Alberstadt, Leonard P.
Published: (1973)

The ammonoid family Girtyoceratidae in the southern Midcontinent /
by: McCaleb, J. A.
Published: (1964)

Chitons from the Kindblade formation (Lower Ordovician), Arbuckle Mountains, southern Oklahoma /
by: Smith, Allyn G., 1893-1976
Published: (1964)

A monograph of the Permian fossils of England /
by: King, W. (William), 1809-1886

Non-marine permian biostratigraphy and biochronology /
Published: (2006)

Stratigraphic and paleontologic studies of the Pennsylvanian and Permian rocks in north-central Texas /
by: Lee, Wallace, 1883-1972
Published: (1938)

Late Mississippian and early Pennsylvanian conodonts, Arkansas and Oklahoma /
by: Lane, Harold Richard, 1942-
Published: (1974)