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
Procoronaspora	Procoronaspora sp.1 sp. nov.	Nd	Morrowan	Atokan
Procoronaspora	Procoronaspora stellata sp. nov.	Iowa	Morrowan	Atokan
Proprisporites	Proprisporites tectus	West Virginia	Monongahela
Punctatasporites	Punctatasporites flavus	Iowa	Morrowan	Desmoinesian
Punctatisporites	Punctatisporites aculeatus	Iowa	Atokan
Punctatisporites	Punctatisporites aerarius	Iowa	Middle Pennsylvanian
Punctatisporites	Punctatisporites baccatus	Iowa	Morrowan	Desmoinesian
Punctatisporites	Punctatisporites callosus	Iowa	Morrowan	Desmoinesian
Punctatisporites	Punctatisporites callosus	Iowa	Morrowan	Desmoinesian
Punctatisporites	Punctatisporites coronatus	Iowa	Morrowan	Atokan
Punctatisporites	Punctatisporites curviradiatus	Iowa	Morrowan	Desmoinesian
Punctatisporites	Punctatisporites curviradiatus	Iowa	Morrowan	Desmoinesian
Punctatisporites	Punctatisporites densoarcuatus	Iowa	Morrowan	Atokan
Punctatisporites	Punctatisporites edgarensis	Iowa	Middle Pennsylvanian
Punctatisporites	Punctatisporites glaber	Iowa	Morrowan	Desmoinesian
Punctatisporites	Punctatisporites globosus	Iowa	Morrowan	Desmoinesian
Punctatisporites	Punctatisporites grandis	Kentucky	Chesterian