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Author:
Ravn,R.L.
Year:
1979
Title:
An introduction to the stratigraphic palynology of the Cherokee Group (Pennsylvanian) coals of Iowa.
Reference:
Ravn,R.L. (1979) An introduction to the stratigraphic palynology of the Cherokee Group (Pennsylvanian) coals of Iowa. Iowa Geological Survey,Technical Paper # 6 P. 1- 117
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Genus Species Country(Region) From To
Laevigatosporites Laevigatosporites minutus Iowa Pennsylvanian
Laevigatosporites Laevigatosporites striatus Iowa Pennsylvanian
Laevigatosporites Laevigatosporites vulgaris Iowa Pennsylvanian
Laevigatosporites Laevigatosporites vulgaris Iowa Pennsylvanian
Latipulvinites Latipulvinites kosankii Iowa Pennsylvanian
Leiotriletes Leiotriletes guennelii Iowa Pennsylvanian
Leiotriletes Leiotriletes laevis Iowa Pennsylvanian
Leiotriletes Leiotriletes priddyi Iowa Pennsylvanian
Leiotriletes Leiotriletes sp.1 sp. nov. Iowa Pennsylvanian
Leiotriletes Leiotriletes sp.2 sp. nov. Iowa Pennsylvanian
Leiotriletes Leiotriletes sp.3 sp. nov. Iowa Pennsylvanian
Leiotriletes Leiotriletes sphaerotriangulus Iowa Pennsylvanian
Leiotriletes Leiotriletes turgidus Iowa Pennsylvanian
Leschikisporis Leschikisporis obliquus Iowa Pennsylvanian
Lophisporites Lophisporites microsaetosus Iowa Pennsylvanian
Lophotriletes Lophotriletes commissuralis Iowa Pennsylvanian
Lophotriletes Lophotriletes commissuralis Iowa Pennsylvanian