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

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

Richly fossiliferous concretions from the middle, glauconitic member of the Nacatoch Sand of southwestern Arkansas include an ammonite assemblage here referred to as the Nostoceras (Nostoceras) rugosum zone. The index species is abundant, accompanied by Solenoceras texanum (Shumard, 1861), S. nitidu...

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Bibliografische gegevens
Hoofdauteurs:	Cobban, W, Kennedy, W
Formaat:	Journal article
Taal:	English
Gepubliceerd in:	1991

Gelijkaardige items

Upper Cretaceous (Maastrichtian) ammonites from the Nostoceras alternatum zone in southwestern Arkansas
door: Cobban, W, et al.
Gepubliceerd in: (1991)

Campanian ammonites from the Upper Cretaceous Gober Chalk of Lamar County, Texas
door: Cobban, W, et al.
Gepubliceerd in: (1992)

Campanian ammonites from the Annona Chalk near Yancy, Arkansas
door: Kennedy, W, et al.
Gepubliceerd in: (1993)

Ammonite fauna from the Wenonah Formation (Upper Cretaceous) of New Jersey
door: Kennedy, W, et al.
Gepubliceerd in: (1994)

Upper Cretaceous ammonites from the Coon Creek Tongue of the Ripley Formation at its type locality in McNairy County, Tennessee
door: Cobban, W, et al.
Gepubliceerd in: (1994)

The madagascan ammonite Neogauthiericeras Collignon, 1969 from the upper cretaceous (Campanian) of Texas
door: Kennedy, W, et al.
Gepubliceerd in: (1990)

Upper campanian (upper cretaceous) ammonites from the Marshalltown Formation-Mount laurel boundary beds in Delaware
door: Kennedy, W, et al.
Gepubliceerd in: (1997)

The Upper Cretaceous dimorphic pachydiscid ammonite Menuites in the Western Interior of the United States
door: Cobban, W, et al.
Gepubliceerd in: (1993)

Lower Campanian (Upper Cretaceous) ammonites from the Merchantville Formation of New Jersey, Maryland, and Delaware
door: Kennedy, W, et al.
Gepubliceerd in: (1993)

Campanian (Late Cretaceous) ammonites from the upper part of the Anacacho limestone in South-Central Texas
door: Kennedy, W, et al.
Gepubliceerd in: (2001)

Middle Campanian (Upper Cretaceous) ammonites from the Pecan Gap chalk of central and northeastern Texas
door: Cobban, W, et al.
Gepubliceerd in: (1994)

Baculites thomi Reeside, 1927, an Upper Cretaceous ammonite in the Western Interior of the United States
door: Cobban, W, et al.
Gepubliceerd in: (1991)

Upper Campanian ammonites from the Mount Laurel Sand at Biggs Farm, Delaware
door: Kennedy, W, et al.
Gepubliceerd in: (1994)

Pachydesmoceras Spath, 1922, a Cretaceous ammonite in Colorado
door: Cobban, W, et al.
Gepubliceerd in: (1991)

Observations on the Cenomanian (Upper Cretaceous) ammonite Calycoceras (Calycoceras) obrieni Young, 1957 from Arizona and New Mexico
door: Cobban, W, et al.
Gepubliceerd in: (1990)

New records of the ammonite subfamily Texanitinae in Campanian (Upper Cretaceous) rocks in the Western Interior of the United States
door: Cobban, W, et al.
Gepubliceerd in: (1991)

Campanian (Late Cretaceous) ammonites from the Bergstrom Formation in Central Texas
door: Kennedy, W, et al.
Gepubliceerd in: (1999)

Platyscaphites, a new ammonite from the Lower Campanian (Upper Cretaceous) of the United States Western Interior
door: Cobban, W, et al.
Gepubliceerd in: (1999)

Upper Cretaceous heteromorph ammonites from the Baculites compressus zone of the Pierre Shale in north-central Colorado
door: Cobban, W, et al.
Gepubliceerd in: (1993)

Lower Turonian (Upper Cretaceous) Watinoceras devonense Zone ammonite fauna in Colorado, USA
door: Kennedy, W, et al.
Gepubliceerd in: (1999)

Heteromorph ammonites from the Upper Campanian (Upper Cretaceous) Baculites cuneatus and Baculites reesidei zones of the Pierre Shale in Colorado, USA
door: Kennedy, W, et al.
Gepubliceerd in: (2000)

The ammonite Metengonoceras Hyatt, 1903, from the Mowry Shale (Cretaceous) of Montana and Wyoming
door: Cobban, W, et al.
Gepubliceerd in: (1989)

Evolution and biogeography of the Cenomanian (Upper Cretaceous) ammonite Metoicoceras Hyatt, 1903, with a revision of Metoicoceras praecox Haas, 1949
door: Cobban, W, et al.
Gepubliceerd in: (1991)

Maastrichtian (Late Cretaceous) ammonites from the Owl Creek Formation in northeastern Mississippi, U.S.A
door: Kennedy, W, et al.
Gepubliceerd in: (2000)

Late campanian (cretaceous) heteromorph ammonites from the western interior of the United States
door: Kennedy, W, et al.
Gepubliceerd in: (2000)

Late Campanian (Cretaceous) heteromorph ammonites from the Western Interior of the United States
door: Kennedy, W, et al.
Gepubliceerd in: (2000)

Middle Campanian ammonites and inoceramids from the Wolfe City Sand in northeastern Texas
door: Cobban, W, et al.
Gepubliceerd in: (1993)

Thoughts on the evolution and extinction of Cretaceous ammonites
door: Kennedy, W
Gepubliceerd in: (1989)

Upper Camanian (Cretaceous) ammonites from the Shinarish Formation, Djebel Sinjar, northwest Iraq
door: Kennedy, W, et al.
Gepubliceerd in: (2000)

Ammonites from the Campanian of Stemweder Berg, Damme Upper Cretaceous Basin, NW Germany
door: Kennedy, W, et al.
Gepubliceerd in: (1997)

Upper Campanian (Cretaceous) ammonites from the Shinarish Formation, Djebel Sinjar, northwest Iraq
door: Kennedy, W, et al.
Gepubliceerd in: (2000)

A new Ammonite fauna fromthe Sub-Pyrenean Campanian (Upper Cretaceous)
door: Kennedy, W, et al.
Gepubliceerd in: (1995)

The Cretaceous ammonite Eopachydiscus and the origin of the Pachydiscidae.
door: Kennedy, W, et al.
Gepubliceerd in: (1983)

Didymoceras puebloense, a new species of heteromorph ammonite from the Upper Campanian of Colorado and Wyoming
door: Cobban, W, et al.
Gepubliceerd in: (1997)

Hypermorphosis in Salaziceras, a Cretaceous ammonite, from Madagascar
door: Kennedy, W, et al.
Gepubliceerd in: (2008)

Cenomanian (Upper Cretaceous) nautiloids from New Mexico
door: Cobban, W, et al.
Gepubliceerd in: (1994)

Mid-Turonian ammonite faunas from northern Mexico
door: Kennedy, W, et al.
Gepubliceerd in: (1988)

Cenomanian micromorphic ammonites from the Western Interior of the USA
door: Kennedy, W, et al.
Gepubliceerd in: (1990)

Maastrichtian ammonites from the Corsicana Formation in northeast Texas
door: Kennedy, W, et al.
Gepubliceerd in: (1993)

Maastrichtian ammonites from the Hornerstown Formation in New Jersey
door: Kennedy, W, et al.
Gepubliceerd in: (1996)