Middle Campanian (Upper Cretaceous) ammonites from the Pecan Gap chalk of central and northeastern Texas

Cobban, WA; Kennedy, WJ

Abstract:

The Pecan Gap Chalk of central and northeastern Texas contains an ammonite fauna of Pachydiscus (Pachydiscus) travisi (Adkins, 1929), P.(P.) aff. P. haldemsis (Schluter, 1867), Anapachydiscus sp.juv., Eubostrychoceras reevesi (Young, 1963), Lewyites taylorensis (Adkins, 1929), Baculites taylorensis Adkins, 1929 and Trachyscaphites spiniger (Schluter, 1872) porchi (Adkins, 1929). The fauna is about the age of the middle Campanian B. asperiformis zone of the Western Interior ammonite sequence. -from Authors

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APA Style

Cobban, W. A., & Kennedy, W. J. (1994). Middle Campanian (Upper Cretaceous) ammonites from the Pecan Gap chalk of central and northeastern Texas. US Geological Survey Bulletin, 2073(D).

MLA Style

Cobban, W. A., and W. J. Kennedy. “Middle Campanian (Upper Cretaceous) Ammonites from the Pecan Gap Chalk of Central and Northeastern Texas.” US Geological Survey Bulletin, vol. 2073, no. D, US Geological Survey Bulletin, 1994.

Chicago Style

Cobban, WA, and WJ Kennedy. 1994. “Middle Campanian (Upper Cretaceous) Ammonites from the Pecan Gap Chalk of Central and Northeastern Texas.” US Geological Survey Bulletin 2073 (D).
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Authors

Cobban, WA More by this author

+ Kennedy, WJ More by this author

Institution:

University of Oxford

Department:

Oxford, MPLS, Earth Sciences

Bibliographic Details

Journal:: US Geological Survey Bulletin
Volume:: 2073
Issue:: D
Publication date:: 1994
ISSN:: 0083-1093
URN:: uuid:a0604597-5625-4fd5-b96a-7c59b8de4a9b
Source identifiers:: 177868
Local pid:: pubs:177868

Item Description

Language:: English

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License:: Terms and Conditions of Use for Oxford University Research Archive

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