Biblioteca - Ingemmet Search for 'an:33 and au:Cobban, William A.'

A new ammonite from Upper Cretaceus of Kansas

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1987 . pp. B1-B3

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Ammonite faunas of the Sarten Sandstone (Cretaceous), Luna County, New Mexico

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1987 . 17 p.

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Ammonites and some characteristic bivalves from the Upper Cretaceous Frontier Formation, Natrona County, Wyoming

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1990 . 13 p.

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Amonites in clasts of the Juana Lopez Member of the Carlile Shale (Upper Cretaceous) near Pueblo, Colorado

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1988 . pp. E1-E5

Place Hold on Amonites in clasts of the Juana Lopez Member of the Carlile Shale (Upper Cretaceous) near Pueblo, Colorado

Baculites thomi Reeside, 1927, an Upper Cretaceous Ammonite in the western interior of the United States

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1991 . 8 p.

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Campanian ammonites from the Tombigbee Sand Member of the Eutaw Formation, the Mooreville Formation, and the basal part of the Demopolis Formation in Mississippi and Alabama

By Kennedy, William James. New York American Museum of Natural History 1997 . 44 p.

Place Hold on Campanian ammonites from the Tombigbee Sand Member of the Eutaw Formation, the Mooreville Formation, and the basal part of the Demopolis Formation in Mississippi and Alabama

Characteristic marine molluscan fossils from the Dakota Sandstone and intertongued Mancos Shale, west-central New Mexico

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1977 . pp. 1-30

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Engonoceratid ammonites from the Glen Rose Limestone, Walnut Clay, Goodland Limestone, and Comanche Peak Limestone (Albian) in Texas

By Kennedy, William James. New York American Museum of Natural History 1998 . 40 p.

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Evolution and biogeography of the Cenomanian (Upper Cretaceous) Ammonidea Metoiceras Hyatt, 1903, with a revision of Metoicoceras praecox Hass, 1949

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1991 . 11 p.

Place Hold on Evolution and biogeography of the Cenomanian (Upper Cretaceous) Ammonidea Metoiceras Hyatt, 1903, with a revision of Metoicoceras praecox Hass, 1949

Late Campanian (Cretaceous) heteromorph ammonites from the Western interior of the United States

By Kennedy, William James. New York American Museum of Natural History 2000 . 88 p.

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Molluscan record from Mid-Cretaceous borehole in Weston Country, Wyoming

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1984 . pp. 1-24

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Multinodose scaphitid cephalopods from the Lower Part of the Pierre Shale and equivalent rocks in the conterminous United States

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1964 . pp. 1-13

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New ammonoid records from the Merchantville Formation (Upper Cretaceous) of Maryland and New Jersey

By Kennedy, William James. New York American Museum of Natural History 1997 . 17 p.

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New and little-known ammonites from the Upper Cretaceous (Cenoanian and Turonian) of the western interior of the United States

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1971 . pp. 1-24

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New records of the ammonite subfamily Texanitinae in Campanian (Upper Cretaceous) rocks in the western interior of the United States

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1991 . pp. B1-B4 , Titulo del Bulletin n°1985: Shorter contributions to Paleontology and Stratigraphy

Place Hold on New records of the ammonite subfamily Texanitinae in Campanian (Upper Cretaceous) rocks in the western interior of the United States

Occurrence of the Early Cretaceous Ammonite Venezoliceras in Puerto Rico

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1988 . pp. D1-D2

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Ocurrence of the Rudistid Durania cornupastoris (Des Moulins, 1826) in the Upper Cretaceous Greenhorn Limestone in Colorado

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1991 . pp. D1-D8 , Titulo del Bulletin n°1985: Shorter contributions to Paleontology and Stratigraphy

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Pachydesmoceras Spath, 1922, a Cretaceous ammonite in Colorado

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1991 . pp. A1-A3 , Titulo del Bulletin n°1985: Shorter contributions to Paleontology and Stratigraphy

Place Hold on Pachydesmoceras Spath, 1922, a Cretaceous ammonite in Colorado

Pachydiscus (Ammonoidea) from Campanian (Upper Cretaceous) rocks in the western interior of the United States

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1991 . pp. F1-F4 , Titulo del Bulletin n°1985: Shorter contributions to Paleontology and Stratigraphy

Place Hold on Pachydiscus (Ammonoidea) from Campanian (Upper Cretaceous) rocks in the western interior of the United States

Santonian ammonites from the Blossom sand in northeast Texas

By Kennedy, William James. New York American Museum of Natural History 2001 . 9 p.

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Scaphitoid cephalopods of the Colorado Group

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1951 . pp. 1-42

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Some acanthoceratid ammonites from Upper Cenomanian (Upper Cretaceous) rocks of Wyoming

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1988 . pp. 1-16

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Some Middle Cenomanian (Upper Cretaceous) Acanthoceratid Ammonites from the Western Interior of the Unites States

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1987 . pp. 1-28

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Some Upper Cretaceous Ammonites from the Nacatoch Sand of Hempstead County, Arkansas

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1991 . pp. C1-C5 , Titulo del Bulletin n°1985: Shorter contributions to Paleontology and Stratigraphy

Place Hold on Some Upper Cretaceous Ammonites from the Nacatoch Sand of Hempstead County, Arkansas

Stratigraphy and ammonite fauna of the Graneros Shale and Greenhorn Limestone near Pueblo, Colorado

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1972 . pp. 1-108

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Stratigraphy ans paleontology of Mid-Cretaceous rocks in Minnesota and contiguous areas

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1983 . pp. 1-52

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Tarrantoceras Stephenson nd related ammonoid genera from Cenomanian (Upper Cretaceous) rocks in Texas and the western interior of the United States

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1988 . pp. 1-30

Place Hold on Tarrantoceras Stephenson nd related ammonoid genera from Cenomanian (Upper Cretaceous) rocks in Texas and the western interior of the United States

The ammonite Metengonoceras Hyatt, 1903, from the Mowry Shale (Cretaceous) of Montana and Wyoming.

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1989 . 11 p.

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The Late Cretaceous ammonites Scaphites leei Reeside and Scaphites hippocrepis (DeKay) in the western interior of the United States

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1969 . iii, 29 p.

Place Hold on The Late Cretaceous ammonites Scaphites leei Reeside and Scaphites hippocrepis (DeKay) in the western interior of the United States

The Late Cretaceous Cephalopod Haresiceras Reeside and its possible origin

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1964 . pp. 1-21

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The Maastrichtian ammonites Coahuilites sheltoni Böse, 1928, and Sphenodiscus pleurisepta (Conrad, 1857), from the uppermost Pierre Shale and Basal Fox Hills Formation of Colorado and Wyoming

By Kennedy, William James. New York American Museum of Natural History 1996 . 14 p.

Place Hold on The Maastrichtian ammonites Coahuilites sheltoni Böse, 1928, and Sphenodiscus pleurisepta (Conrad, 1857), from the uppermost Pierre Shale and Basal Fox Hills Formation of Colorado and Wyoming

The Upper cretaceous Ammonite Rhaeboceras Meek in the western interior of the United States

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1987 . pp. 1-15

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The Upper Cretaceous ammonite Watinoceras Warren in the Western interior of the United States

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1988 . pp. 1-15

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The Upper Cretaceous (Cenomanian) amonites Metengonoceras dumbli (Cragin) and M. acutum Hyatt

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1987 . pp. C1-C7

Place Hold on The Upper Cretaceous (Cenomanian) amonites Metengonoceras dumbli (Cragin) and M. acutum Hyatt

The Upper Cretaceous dimorphic Pachydiscid ammonite menuites in the western interior of the United States

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1993 . 14 p.

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The Upper Cretaceous (Turonian) ammonite family Coilopoceratidae Hyatt in the western interior of the United States

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1980 . pp. 1-28

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The Upper Cretacepus ammonite Eubostrychoceras Matsumoto in the western interior of the Unites States

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1987 . pp. A1-A5

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Upper Cretaceous ammonites from the Coon Creek tongue of the Ripley Formation at its type locality in McNairy County, Tennessee

By Cobban, William A.. Washington, D.C. U.S. Government Printing Office 1994 . pp.B1-B12 , Titulo del Bulletin n°2073: Shorter contributions to Paleontology and Stratigraphy

Place Hold on Upper Cretaceous ammonites from the Coon Creek tongue of the Ripley Formation at its type locality in McNairy County, Tennessee

Upper Cretaceous Heteromorph ammonites from the Baculites compressus zone of the Pierre Shale in North-central Colorado

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1992 . pp. A1-A11 , Título de Bulletin n°2024: Shorter Contributions to Paleontology and Stratigraphy, 1992

Place Hold on Upper Cretaceous Heteromorph ammonites from the Baculites compressus zone of the Pierre Shale in North-central Colorado

Upper Cretaceous (Maastrichtian) Ammonites from the Nostoceras alternatum zone in southwestern Arkansas

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1991 . pp. E1-E6 , Titulo del Bulletin n°1985: Shorter contributions to Paleontology and Stratigraphy

Place Hold on Upper Cretaceous (Maastrichtian) Ammonites from the Nostoceras alternatum zone in southwestern Arkansas

Variation and ontogeny of Calycoceras (Proeucalycoceras) canitaurinum (Hass, 1940) from the Upper Cretaceous (Cenomanian) of the western interior of the United States

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1990 . pp. B1-B7

Place Hold on Variation and ontogeny of Calycoceras (Proeucalycoceras) canitaurinum (Hass, 1940) from the Upper Cretaceous (Cenomanian) of the western interior of the United States