Shorter contributions to paleontology and stratigraphy, 1990

Bulletin 1881
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Table of Contents

Chapter A
Leonardian-Wordian (Permian) Deposition in the Northern Del Norte Mountains, West Texas
Bruce R. Wardlaw, Robert A. Davis, David M. Rohr, and Richard E. Grant

Chapter B
Variation and Ontogeny of Calycoceras (Proeucalycoceras) canitaurinum (Haas, 1949) from the Upper Cretaceous (Cenomanian) of the Western Interior of the United States
William A. Cobban and W. James Kennedy

Chapter C
Observations on the Cenomanian (Upper Cretaceous) Ammonite Calycoceras (Calycoceras) obrieni Young, 1957 from Arizona and New Mexico
William A. Cobban and W. James Kennedy

Chapter D
Revision of the Nucula percrassa Conrad, 1958 Group in the Upper Cretaceous of the Gulf and Mid-Atlantic Coastal Plains: An Example of Bias in the Nomenclature
G. Lynn Wingard and Norman F. Sohl

Chapter E
HUM Lithosome: An Example of Regional Stratigraphic Synthesis in the Mississippian of the Western Interior of the United States
William J. Sando

Publication type Report
Publication Subtype USGS Numbered Series
Title Shorter contributions to paleontology and stratigraphy, 1990
Series title Bulletin
Series number 1881
DOI 10.3133/b1881
Year Published 1990
Language English
Publisher U.S. Government Printing Office
Publisher location Reston, VA
Description 134 p.
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