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Title: Johnhallia lacunosa gen. et sp. n. : a new pteridosperm from the Middle Pennsylvanian of Indiana

Journal Article · · J. Paleontol.; (United States)
OSTI ID:6333465

Stem and frond remains are described from Middle Pennsylvanian coal balls collected from the Maple Grove Mine, Cayuga, Indiana.

OSTI ID:
6333465
Journal Information:
J. Paleontol.; (United States), Vol. 56:5
Country of Publication:
United States
Language:
English