Author:
Pigg,K.B.;Rothwell,G.W.
Year:
1983
Title:
Megagametophyte development in the Chaloneriaceae, fam.nov., permineralized Paleozoic isoetales (Lycopsida).
Reference:
Pigg,K.B. et al. (1983) Megagametophyte development in the Chaloneriaceae, fam.nov., permineralized Paleozoic isoetales (Lycopsida). Botanical Gazette Vol. 144 # 2 P. 295- 302
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Genus Species Country(Region) From To
Chaloneria Chaloneria cormosa Kentucky Middle Pennsylvanian
Chaloneria Chaloneria cormosa Illinois Middle Pennsylvanian
Chaloneria Chaloneria cormosa Indiana Middle Pennsylvanian
Chaloneriaceae Chaloneriaceae Kentucky Middle Pennsylvanian
Chaloneriaceae Chaloneriaceae Illinois Middle Pennsylvanian
Chaloneriaceae Chaloneriaceae Indiana Middle Pennsylvanian