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

Abstract:
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. nitidum Cobban, 1974, and Parasolenoceras pulcher n.sp., all of which are described and illustrated; also present, but not described, are Scaphites (Scaphites) aff. pumilis Stephenson, 1941 and Baculites claviformis Stephenson, 1941. -Authors

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Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Role:
Author

Journal:
US Geological Survey Bulletin More from this journal
Volume:
1985
Publication date:
1991-01-01
ISSN:
0083-1093

Language:
English
Pubs id:
pubs:177738
UUID:
uuid:00def5f0-c2c1-4f81-90fb-c8a100abcb76
Local pid:
pubs:177738
Source identifiers:
177738
Deposit date:
2013-02-20
ARK identifier:

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