The Upper Cretaceous dimorphic pachydiscid ammonite Menuites in the western interior of the United States /

The Upper Cretaceous ammonite Rhaeboceras Meek in the western interior of the United States /
by: Cobban, William A., 1916-2015
Published: (1987)

The Upper Cretaceous (Turonian) ammonite family Coilopoceratidae Hyatt in the western interior of the United States /
by: Cobban, William A., 1916-2015
Published: (1980)

Scaphitoid cephalopods of the Colorado group /
by: Cobban, William A., 1916-2015
Published: (1951)

Tarrantoceras Stephenson and related ammonoid genera from Cenomanian (Upper Cretaceous) rocks in Texas and the western interior of the United States /
by: Cobban, William A., 1916-2015
Published: (1988)

The Upper Cretaceous (Turonian) ammonite family Coilopoceratidae Hyatt in the western interior of the United States /
by: Cobban, William A., 1916-2015, et al.
Published: (1980)

Shorter contributions to paleontology and stratigraphy /
Published: (1991)

Shorter contributions to paleontology and stratigraphy /
Published: (1991)

The Upper Cretaceous ammonite Rhaeboceras Meek in the western interior of the United States /
by: Cobban, William A., 1916-2015
Published: (1987)

Some Middle Ordovician brachiopods and trilobites from the basin ranges, Western United States /
by: Ross, Reuben James, 1918-, et al.
Published: (1967)

Ordovician and Silurian coral faunas of western United States /
by: Duncan, Helen
Published: (1956)

Ammonites of early cretaceous age (Valanginian and Hauterivian) from the Pacific coast states.
by: Imlay, Ralph W. (Ralph Willard), 1908-1989
Published: (1960)

Some western American Cenozoic gastropods of the genus Nassarius /
by: Addicott, Warren O.
Published: (1965)

Some Middle Ordovician brachiopods and trilobites from the basin ranges, Western United States. : With stratigraphic sections A, north of Pyramid Peak, Calif. /
by: Ross, Reuben James, 1918-
Published: (1967)

Upper Cretaceous Foraminifera of the gulf coastal region of the United States and adjacent areas /
by: Cushman, Joseph A. (Joseph Augustine), 1881-1949
Published: (1946)

Giant Upper Cretaceous oysters from the Gulf coast and Caribbean /
by: Sohl, Norman F. (Norman Frederick), 1924-, et al.
Published: (1964)

On invertebrate fossils from the Pacific Coast /
by: White, Charles A. (Charles Abiathar), 1826-1910
Published: (1889)

Report of the United States Geological Survey of the territories /
Published: (1873)

Jurassic (Oxfordian and Late Callovian) ammonites from the western interior region of the United States /
by: Imlay, Ralph W. (Ralph Willard), 1908-1989
Published: (1982)

Chronostratigraphic cross section of Cretaceous formations in western Montana, western Wyoming, eastern Utah, northeastern Arizona, and northwestern New Mexico, U.S.A. /
by: Merewether, E. A. (Edward Allen), 1930-, et al.
Published: (2015)

Espèces nouvelles ou peu connues [de la faune crétacique du Portugal] /
by: Choffat, Paul, 1849-1919
Published: (1886)

Sixth annual report of the United States geological survey of the Territories, embracing portions of Montana, Idaho, Wyoming, and Utah : being a report of progress of the explorations for the year 1872 /
Published: (1873)

Papers concerning the palontology of California, Arizona, and Idaho.
Published: (1934)

Papers concerning the palontology of California, Nevada and Oregon.
Published: (1935)

Papers concerning the palaeontology of California, Oregon and the northern Great basin province.
Published: (1932)

Ammonites from the Navesink Formation at Atlantic Highlands, New Jersey /
by: Cobban, William A., 1916-2015
Published: (1974)

Preliminary report of the United States Geological Survey of Montana : and portions of adjacent Territories : being a fifth annual report of progress [for the year 1871] /
Published: (1872)

The Lower Cretaceous (Albian) ammonite genera Leconteites and Brewericeras /
by: Jones, David Lawrence, 1930-, et al.
Published: (1965)

Untersuchungen über die südindische Kreide-Formation.
by: Kossmatt, Franz
Published: (1895)

Mesozoic/Cenozoic vertebrate paleontology : classic localities, contemporary approaches ; Salt Lake City, Utah to Billings Montana, July 19-27, 1989 /
Published: (1989)

Mesozoic/Cenozoic vertebrate paleontology : classic localities, contemporary approaches ; Salt Lake City, Utah to Billings, Montana, July 19-27, 1989 /
Published: (1989)

Foraminifera and stratigraphy of the upper part of the Pierre Shale and lower part of the Fox Hills Sandstone (Cretaceous) north-central South Dakota /
by: Mello, James F., 1936-
Published: (1969)

Characteristic Lower Cretaceous megafossils from northern Alaska /
by: Imlay, Ralph W. (Ralph Willard), 1908-1989
Published: (1960)

Paleogeography of the Late Cretaceous of the western interior of middle North America : coal distribution and sediment accumulation.
by: Roberts, Laura N. Robinson
Published: (1995)

Ammonite faunas of the Sarten sandstone (Cretaceous), Luna County, New Mexico /
by: Cobban, William A., 1916-2015
Published: (1987)

Paleogeography of the Late Cretaceous of the western interior of middle North America : coal distribution and sediment accumulation /
by: Roberts, Laura N. Robinson, et al.
Published: (1995)

North American upper cretaceous corals of the genus micrabacia /
by: Stephenson, Lloyd William, 1876-1962
Published: (1917)