Petrified cones of the genus Calamostachys from the Carboniferous of Illinois
By: by Chester A. Arnold
Series: Contributions from the Museum of Paleontology, University of Michigan -- v. 14, no. 10; Contributions from the Museum of Paleontology -- v. 14, no. 10.
Publisher: Museum of Paleontology, University of Michigan
Published: 1958
Place of publication: Ann Arbor
Language: eng
Number of pages: 165
Subjects: Calamostachys; Paleobotany
Notes: Bibliography: p. 163-164.