Author:
Millay,M.A.;Taylor,T.N.
Year:
1976
Title:
Evolutionary trends in fossil Gymnosperm pollen
Reference:
Millay,M.A. et al. (1976) Evolutionary trends in fossil Gymnosperm pollen Review of Palaeobotany and Palynology Vol. 21 # 1 P. 65- 91
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Genus Species Country(Region) From To
Pachytesta Pachytesta hexangulata Illinois Middle Pennsylvanian Late Pennsylvanian
Vesicaspora Vesicaspora sp. Mill.et al,1974 sp. nov. Illinois Middle Pennsylvanian Late Pennsylvanian
Dolerotheca Dolerotheca formosa Iowa Paleozoic
Halletheca Halletheca reticulatus Iowa Paleozoic
Cordaianthus Cordaianthus sp Iowa Middle Pennsylvanian
Florinites Florinites Iowa Middle Pennsylvanian
Cordaianthus Cordaianthus sp Kansas Middle Pennsylvanian
Florinites Florinites Kansas Middle Pennsylvanian
Florinites Florinites Kentucky Middle Pennsylvanian
Archaeopteris Archaeopteris jacksonii Nd Paleozoic
Schopfipollenites Schopfipollenites Nd Paleozoic
Parasporites Parasporites Nd Late Pennsylvanian
Telangium Telangium sp Nd Paleozoic
Crossotheca Crossotheca sp Nd Paleozoic
Tetraxylopteris Tetraxylopteris schmidtii New York Middle Devonian Late Devonian
Cycadeoidea Cycadeoidea dacotensis South Dakota Cretaceous
Cordaitales Cordaitales sp USA Early Pennsylvanian