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
Acanthotriletes	Acanthotriletes echinatus	Illinois	Chesterian
Anacanthotriletes	Anacanthotriletes	Illinois	Middle Pennsylvanian
Cirratriradites	Cirratriradites fragilis sp. nov.	Illinois	Desmoinesian
Cirratriradites	Cirratriradites tenuis	Illinois	Desmoinesian
Echinatisporis	Echinatisporis echinoides	Illinois	Chesterian
Echinatisporis	Echinatisporis pineatus	Illinois	Chesterian
Apiculatisporites	Apiculatisporites pineatus	Illinois	Chesterian
Anafoveosporites	Anafoveosporites danvillensis	Illinois	Desmoinesian
Dictyotriletes	Dictyotriletes danvillensis	Illinois	Desmoinesian
Granulatisporites	Granulatisporites levis	Illinois	Middle Pennsylvanian	Late Pennsylvanian
Deltoidospora	Deltoidospora levis	Illinois	Middle Pennsylvanian	Late Pennsylvanian
Apiculatasporites	Apiculatasporites setulosus	Illinois	Middle Pennsylvanian	Late Pennsylvanian
Punctatisporites	Punctatisporites setulosus	Illinois	Middle Pennsylvanian	Late Pennsylvanian
Apiculatasporites	Apiculatasporites variusetosus	Illinois	Conemaugh	Monongahela
Punctatisporites	Punctatisporites variusetosus	Illinois	Conemaugh	Monongahela
Granulatisporites	Granulatisporites aculeolatus	Illinois	Middle Pennsylvanian
Pilosisporites	Pilosisporites aculeolatus	Illinois	Middle Pennsylvanian