Cover image for Russellites, new genus, a problematical plant from the Lower Permian of Texas
Title:
Russellites, new genus, a problematical plant from the Lower Permian of Texas
Author:
Mamay, Sergius H., 1920-
Personal Author:
Publication Information:
Washington : U.S. Govt. Print. OFf., 1968.
Physical Description:
iii, 15 pages, 12 unnumbered pages : illustrations ; 29 cm.
Language:
English
Format :
Book