Permian sphenopsids from Antarctica
By: by J. F. Rigby.
Series: Geological Survey professional paper ;; 613-F.; Contributions to paleontology; Geological Survey professional paper ;; 613-F.; Geological Survey professional paper.
Publisher: U.S. Govt. Print. Off.
Published: 1969
Place of publication: Washington
Language: eng
Number of pages: 13
Subjects: Sphenopsida, Fossil.; Paleobotany -- Permian.; Paleobotany -- Antarctica.
Notes: Bibliography: p. 11-12.