Some Middle Ordovician brachiopods and trilobites from the basin ranges, Western United States / by Reuben James Ross Jr., With stratigraphic sections A, north of Pyramid Peak, Calif., by R. J. Ross, Jr., and B, in Specter Range, Nev., by Harley Barnes.

Species of 14 genera of brachiopods and 32 genera of trilobites are described to support stratigraphic conclusions presented in Geological Survey Bulletin 1180-C.

Bibliographic Details

Main Author:	Ross, Reuben James, 1918-
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Barnes, Harley, 1916-1979
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Govt. Print. Off, 1967.
Series:	Geological Survey professional paper. Contributions to paleontology. Geological Survey professional paper ; 523-D.
Subjects:	Trilobites > West (U.S.) Brachiopoda, Fossil > West (U.S.) Paleontology > Ordovician. Paleontology > West (U.S.)