Campanian ammonites from the Upper Cretaceous Gober Chalk of Lamar County, Texas
Journal of Paleontology
By: W. A. Cobban and W. J. Kennedy
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Abstract
The Roxton Limestone Member at the top of the Gober Chalk in northeast Texas yields a rich fauna, dominated by Baculites haresi Reeside, 1927, and Inoceramus balticus Boehm, 1909, with sparse occurrences of pachydiscus cf. P. paulsoni (Young, 1963), Anapachydiscus sp.juv., Placenticeras placenta (DeKay, 1828), Hoplitoplacenticeras aff. H. plasticum (Paulcke, 1907), Menabites (Delawarella) delawarensis (Morton, 1830), M.(D.) danei (Young, 1963), M.(D.) aff. M.(D.) vanuxemi (Morton, 1830), Submortoniceras vandalinaense Young, 1963, Submortoniceras sp., Eubostrychoceras sp., and Scaphites hippocrepis (DeKay, 1828) III. The presence of S. hippocrepis III suggests a late early Campanian age assignment for the fauna. The assemblage includes species known from the Western Interior, Gulf Coast, Atlantic seaboard, and western Europe. -Authors
Suggested Citation
Cobban, W.A., Kennedy, W.J., 1992, Campanian ammonites from the Upper Cretaceous Gober Chalk of Lamar County, Texas: Journal of Paleontology, v. 66, no. 3, p. 440-454.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Campanian ammonites from the Upper Cretaceous Gober Chalk of Lamar County, Texas |
| Series title | Journal of Paleontology |
| Volume | 66 |
| Issue | 3 |
| Year Published | 1992 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Paleontology |
| First page | 440 |
| Last page | 454 |