Author:
Hibbert,F.A.;Eggert,D.A.
Year:
1965
Title:
A new Calamitalean cone from the Middle Pennsylvanian of Southern Illinois.
Reference:
Hibbert,F.A. et al. (1965) A new Calamitalean cone from the Middle Pennsylvanian of Southern Illinois. Palaeontology Vol. 8 # 4 P. 681- 686
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Genus Species Country(Region) From To
Calamospora Calamospora sp Illinois Middle Pennsylvanian
Paracalamostachys Paracalamostachys cartervillei sp. nov. Illinois Middle Pennsylvanian