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
Apiculatisporites	Apiculatisporites spinososaetosus	Iowa	Middle Pennsylvanian
Apiculatisporites	Apiculatisporites spinosus	W.Germany(N.Rhine)	Westphalian B
Apiculatisporites	Apiculatisporites subspinosus	Turkey	Westphalian A
Apiculatisporites	Apiculatisporites verrucifer	Iowa	Desmoinesian
Aumancisporites	Aumancisporites striatus	Iowa	Atokan
Azonotriletes	Azonotriletes glaber	Iowa	Morrowan	Desmoinesian
Azonotriletes	Azonotriletes mediareticulatus	Iowa	Morrowan	Desmoinesian
Azonotriletes	Azonotriletes microgranifer	Iowa	Middle Pennsylvanian
Azonotriletes	Azonotriletes reticulatus	Iowa	Middle Pennsylvanian
Azonotriletes	Azonotriletes verrucosus	Iowa	Morrowan	Desmoinesian
Baculatisporites	Baculatisporites microechinus	Nd	Nd
Bellispores	Bellispores nitidus	Iowa	Morrowan
Bellisporites	Bellisporites nitidus	Iowa	Morrowan
Bracteolinasporites	Bracteolinasporites clavatus	Nd	Nd
Cadiospora	Cadiospora magna	Iowa	Desmoinesian	Early Missourian
Cadiospora	Cadiospora magna	Iowa	Desmoinesian	Early Missourian
Cadiospora	Cadiospora sphaera	Iowa	Desmoinesian	Early Missourian