A review of the family Captorhinidae.

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)

Permian amphibians from New Mexico.
by: Langston, Wann, Jr., 1921-2013
Published: (1953)

The temporal region of the Permian reptile Diadectes.
by: Olson, Everett C. (Everett Claire), 1910-1993
Published: (1950)

New vertebrate fossil localities in the Vale formation (Lower Permian) of north-central Texas.
by: Seltin, Richard J., 1927-
Published: (1959)

Review of the Pelycosauria /
by: Romer, Alfred Sherwood, 1894-1973
Published: (1940)

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

The Permo-Triassic formations : a world review.
by: Sherlock, Robert Lionel, 1875-1948
Published: (1948)

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

Supai formation (Permian) of eastern Arizona.
by: Winters, Stephen S.
Published: (1963)

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

Stratigraphic boundary problems: Permian and Triassic of West Pakistan /
by: Kummel, Bernhard, 1919-1980
Published: (1970)

Ichnology of an Early Permian intertidal flat : the Robledo Mountains Formation of southern New Mexico, USA /
by: Minter, Nicholas J.
Published: (2009)

Stratigraphy of the Permian Basin of West Texas with special reference to the cross sections of 1949, 1951 and 1953 /
Published: (1953)

Oedaleops campi (Reptilia: Pelycosauria) ; a new genus and species from the Lower Permian of New Mexico, and the family Eothyrididae.
by: Langston, Wann, Jr., 1921-2013
Published: (1965)

Microfaunes et microfacies du Permo-Carbonifere du sud tunisien /
by: Glintzboeckel, Ch
Published: (1964)

Permian Brachiopods of West Texas.
by: Cooper, G. Arthur (Gustav Arthur), 1902-2000, et al.
Published: (1972)

Early Permian fusulinids from the Owens Valley group, east-central California /
by: Magginetti, Robert T.
Published: (1988)

Revision of Lithostrotionella (Coelenterata, Rugosa) from the Carboniferous and Permian /
by: Sando, William Jasper
Published: (1983)

Fenestella from the Permian of west Texas /
by: Elias, Maxim K. (Maxim Konradovich), 1889-1982
Published: (1957)

The Permian reef complex of the Guadalupe Mountains region, Texas and New Mexico ; a study in paleoecology /
by: Newell, Norman Dennis, 1909-2005
Published: (1953)

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

The Guadalupian fauna /
by: Girty, George Herbert, 1869-1939
Published: (1908)

Carrolla craddocki, a new genus and species of microsaur from the Lower Permian of Texas /
by: Langston, Wann, Jr., 1921-2013
Published: (1986)

Growth series of ostracodes from the Permian of Texas.
by: Sohn, I. G. (Israel Gregory), 1911-2000
Published: (1950)

Permo-Carboniferous vertebrate paleontology, lithostratigraphy, and depositional environments of North-Central Texas /
Published: (1989)

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

Early Permian vertebrates from the Cutler Formation of the Placerville area, Colorado /
by: Lewis, G. Edward (George Edward), et al.
Published: (1965)

Vertebrate fossils from the Lueders Formation : Lower Permian of north-central Texas /
by: Berman, David S.
Published: (1970)

Early Permian vertebrates of Oklahoma.
by: Olson, Everett C. (Everett Claire), 1910-1993
Published: (1967)

New Carboniferous and Permian sponges /
by: King, Ralph Hughes, 1909-
Published: (1943)

Palaeontology of the Permian of Western Australia /
Published: (1993)

Permische stegocephalen und reptilien aus Texas /
by: Broili, Ferdinand, 1874-
Published: (1904)

The Tethys : her paleogeography and paleobiogeography from Paleozoic to Mesozoic /
Published: (1985)

Geology and paleontology of the Permian area northwest of Las Delicias, southwestern Coahuila, Mexico /
by: King, Robert E. (Robert Evans), 1906-
Published: (1944)

The great Paleozoic crisis : life and death in the Permian /
by: Erwin, Douglas H., 1958-
Published: (1993)

American Permian nautiloids /
by: Miller, A. K. (Arthur K.), 1902-1963
Published: (1949)