Ravn,R.L.

Author:
Ravn,R.L.

Year:
1986

Title:
Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa

Reference:

Ravn,R.L. (1986) Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa Iowa Geological Survey,Technical Paper # 7 P. 1- 244

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Genus	Species	Country(Region)	From	To
Cyclogranisporites	Cyclogranisporites sp.1 Pepp.,1970 sp. nov.	Iowa	Desmoinesian
Cyclogranisporites	Cyclogranisporites staplini	Iowa	Middle Pennsylvanian
Cyclotriletes	Cyclotriletes globosus	Nd	Nd
Cymbospora	Cymbospora	Nd	Nd
Cymbospora	Cymbospora magna	Iowa	Atokan
Deltoidisporites	Deltoidisporites adnatoides	Iowa	Morrowan	Desmoinesian
Deltoidisporites	Deltoidisporites sphaerotriangulus	Iowa	Middle Pennsylvanian
Deltoidospora	Deltoidospora angulata	Iowa	Chesterian
Deltoidospora	Deltoidospora atshanensis	Iraq	Late Permian
Deltoidospora	Deltoidospora badamensis	India(Bihar)	Permian
Deltoidospora	Deltoidospora blairatholensis	Australia(Queensland)	Artinskian
Deltoidospora	Deltoidospora convexa	France(Vosges)	Westphalian A	Autunian
Deltoidospora	Deltoidospora gracilis	Iowa	Middle Pennsylvanian
Deltoidospora	Deltoidospora gracilis	China(Liaoning)	Neocomian	Albian
Deltoidospora	Deltoidospora levis	Iowa	Middle Pennsylvanian
Deltoidospora	Deltoidospora levis	Illinois	Middle Pennsylvanian	Late Pennsylvanian
Deltoidospora	Deltoidospora ornata	Iowa	Morrowan	Atokan