Trilobites of the late Cambrian Pterocephaliid biomere in the Great Basin, United States /

Bibliographic Details
Main Author: Palmer, Allison R. (Author)
Format: Government Document eBook
Published: Washington : United States Department of the Interior, Geological Survey, 1965.
Series:Geological Survey professional paper ; 493.
Online Access:
Item Description:Title from title screen (viewed September 29, 2014).
"The content, concept, and internal zonation of trilobite biomere in the Great Basin of Western United States are defined; 112 species representing 51 genera of ptychoparioid trilobites are described and illustrated."
Physical Description:1 online resource (iv, 105 pages) : illustrations, maps + 3 plates.
Bibliography:Includes bibliographical references (pages 97-100) and index.