The American species of Asterophyllites, Annularia, and Sphenophyllum
Series: Bulletins of American paleontology -- v. 38, no. 174; Bulletins of American paleontology -- v. 38, no. 174.
Publisher: Paleontological Research Institution
Published: 1958
Place of publication: Ithaca, N.Y
Language: eng
Number of pages: 390
Subjects: Paleobotany
Notes: Bibliography: p. 368-372.