15.—Calathopteris heterophylla gen. et sp. nov., a Lower...

Transactions of the Royal Society of Edinburgh 1976 / 1 Vol. 69; Iss. 15

15.—Calathopteris heterophylla gen. et sp. nov., a Lower Carboniferous Pteridosperm bearing Two Kinds of Petioles

Long, Albert G.
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Volume:
69
Language:
english
Journal:
Transactions of the Royal Society of Edinburgh
DOI:
10.1017/s0080456800015325
Date:
January, 1976
File:
PDF, 10.49 MB
english, 1976
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