Corynexochida and Ptychopariida (Trilobita, Arthropoda) of the Ehmaniella Biozone (Middle Cambrian), Utah and Nevada
By: Frederick A. Sundberg
Series: Contributions in science -- no. 446; Contributions in science (Los Angeles, Calif.) -- no. 446
Publisher: Natural History Museum of Los Angeles County
Published: 1994
Place of publication: Los Angeles
Language: eng
Number of pages: 137
Subjects: Corynexochida; Ptychopariida; Trilobites; Paleontology
Notes: Cover title.

"12 August 1994"

Includes bibliographical references (p. 119-122).