A new calamitalean cone from the Middle Pennsylvanian of southern Illinois
Hibbert, F A Eggert, Donald A.
Article
1965
Palaeontology
8
681--686
BioStor
English
London, Palaeontological Association, 1957-
BioStor: https://biostor.org/reference/166433
In Copyright. Digitized with the permission of the rights holder
https://www.biodiversitylibrary.org/permissions/
http://creativecommons.org/licenses/by-nc/3.0/
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