Stratigraphy and ammonite fauna of the graneros shale and greenhorn limestone near Pueblo, Colorado /

Campanian and Maastrichtian ammonites from Northern Aquitaine, France /
by: Kennedy, W. J. (William James), 1943-
Published: (1986)

Mid-Cretaceous (Turonian) ammonite fauna from Fence Lake area of west-central New Mexico /
by: Cobban, William A., 1916-2015
Published: (1983)

New and little-known ammonites from the Upper Cretaceous (Cenomanian and Turonian) of the western interior of the United States /
by: Cobban, William A., 1916-2015
Published: (1971)

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

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

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

Texas Mojsisovicziinae (Ammonoidea) and the zonation of the Fredericksburg.
by: Young, Keith, 1918-2004
Published: (1966)

Heteromorph ammonoids from the Albian and Cenomanian of Texas and adjacent areas /
by: Clark, David L. (David Leigh), 1931-
Published: (1965)

Texas Cretaceous ammonites and nautiloids /
Published: (1994)

Some acanthoceratid ammonites from Upper Cenomanian (Upper Cretaceous) rocks of Wyoming /
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
Published: (1980)

Ammonites and the other cephalopods of the Pierre Seaway : identification guide /
Published: (1997)

The ammonite zonal sequence and ammonite taxonomy in the Douvilleiceras mammillatum superzone (Lower Albian) in Europe /
by: Owen, H. G. (Hugh Gwyn), 1933-
Published: (1988)

The ammonites of the English Chalk Rock (Upper Turonian) /
by: Wright, C. W. (Claud William)
Published: (1979)

Lower Turonian (Cretaceous) ammonites from south-east Nigeria /
by: Zaborski, P. M. P.
Published: (1987)

Upper Cretaceous (Campanian and Maestrichtian) ammonites from southern Alaska.
by: Jones, David Lawrence, 1930-
Published: (1963)

Cretaceous ammonites from the lower part of the Matanuska formation, southern Alaska /
by: Jones, David Lawrence, 1930-
Published: (1967)

Mid-Cretaceous ammonites of Nigeria : new amphisbaenians from Kenya ; English Wealden Equisetales ; Faringdon Sponge Gravel Bryozoa.
Published: (1990)

Lower Cenomanian and late Albian (cretaceous) ammonites, especially Lyelliceridae of Texas and Mexico /
by: Young, Keith, 1918-2004
Published: (1979)

Cretaceous faunas from Zululand and Natal, South Africa : the Ammonite family Phylloceratidae /
by: Kennedy, W. J. (William James)
Published: (1977)

Cretaceous faunas from Zululand and natal, South Africa : the ammonite family Gaudryceratidae /
by: Kennedy, W. J. (William James)
Published: (1979)

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

Ammonites from the Buchia zones in northwestern California and southwestern Oregon /
by: Imlay, Ralph W. (Ralph Willard), 1908-1989, et al.
Published: (1970)

Basal Eagle Ford fauna (Cenomanian) in Johnson and Tarrant Counties, Texas.
by: Stephenson, Lloyd William, 1876-1962
Published: (1955)

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)

Studies of the Mowry shale (Cretaceous) and contemporary formations in the United States and Canada /
by: Reeside, John B. (John Bernard), 1889-1958, et al.
Published: (1960)

Upper Cretaceous ammonites from the Calabar region, south-east Nigeria /
by: Zaborski, P. M. P.
Published: (1985)

Late Bajocian ammonites from southern Alaska /
by: Imlay, Ralph W. (Ralph Willard), 1908-1989
Published: (1982)

Uber Ammonites Pedernalis v. Buch /
by: Bohm, Johannes, 1857-
Published: (1898)

Middle Jurassic (Bathonian) ammonites from southern Alaska /
by: Imlay, Ralph W. (Ralph Willard), 1908-1989
Published: (1980)

Early Jurassic ammonites from Alaska /
by: Imlay, Ralph W. (Ralph Willard), 1908-1989
Published: (1981)

Scaphitoid cephalopods of the Colorado group. : Evolution of Scaphites and related genera, with descriptions and illustrations of new species and a new genus from western interior United States.
by: Cobban, William A., 1916-2015
Published: (1951)

The Upper Cretaceous dimorphic pachydiscid ammonite Menuites in the western interior of the United States /
by: Cobban, William A., 1916-2015
Published: (1993)

Sur quelques ammonites du cretace algerien /
by: Pervinquière, Léon, 1873-1913
Published: (1910)

Jurassic (Bathonian and Callovian) ammonites in eastern Oregon and western Idaho /
by: Imlay, Ralph W. (Ralph Willard), 1908-1989
Published: (1980)

Early and middle Bajocian (middle Jurassic) ammonites from southern Alaska /
by: Imlay, Ralph W. (Ralph Willard), 1908-1989
Published: (1985)