Was the pterophyllum foliage transformed into the leafy blades of dicotyls?
By: By G. R. Wieland
Series: Contributions from the Paleontological Laboratory, Peabody Museum, Yale University, New Haven, Conn., U.S.A; Contributions (Peabody Museum of Natural History)
Publisher: [Paleontological Laboratory, Peabody Museum, Yale University
Published: 1914
Place of publication: New Haven
Language: eng
Number of pages: 460
Subjects: Fossil Pteridophyta; Paleobotany; Plants; Evolution; Dicotyledons
Notes: From The American Journal of Science, v. 38, NOvember 1914.

Includes bibliographical references.