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
Mooreisporites	Mooreisporites inusitatus	Iowa	Desmoinesian
Murospora	Murospora intorta	Iowa	Morrowan	Desmoinesian
Murospora	Murospora kosankei	Iowa	Desmoinesian
Neoraistrickia	Neoraistrickia baculata	England(Derbyshire)	Namurian A
Neoraistrickia	Neoraistrickia muscatinensis	Iowa	Morrowan	Atokan
Osmundacidites	Osmundacidites ovalis	Sweden	Liassic
Palaeospongisporis	Palaeospongisporis	Nd	Nd
Palaeospongisporis	Palaeospongisporis europaeus	Germany(Leipzig)	Keuper
Paleospora	Paleospora fragila	Iowa	Morrowan	Desmoinesian
Palliolatisporites	Palliolatisporites plissata	W.Germany(N.Rhine)	Westphalian B
Parasporites	Parasporites maccabei	Iowa	Desmoinesian
Peppersites	Peppersites ellipticus	Iowa	Morrowan	Desmoinesian
Perotrilites	Perotrilites caperatus	England	Early Aptian
Perotrilites	Perotrilites caperatus	S.Ireland(Wexford)	Early Famennian	Early Tournaisian
Perotrilites	Perotrilites graysonii	Canada(New Brunswick)	Tournaisian
Perotrilites	Perotrilites minor	Canada(NWT,Franklin)	Late Frasnian	Famennian
Phillipsites	Phillipsites tenuis	Iowa	Atokan