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
Reticulitriletes	Reticulitriletes densoreticulatus	W.Germany(N.Rhine)	Late Westphalian B
Reticulitriletes	Reticulitriletes distortus	Iowa	Atokan
Reticulitriletes	Reticulitriletes equigranulatus	Scotland(Fife)	Late Visean
Reticulitriletes	Reticulitriletes europaeus	Germany(Leipzig)	Keuper
Reticulitriletes	Reticulitriletes falsus	Iowa	Morrowan	Desmoinesian
Reticulitriletes	Reticulitriletes falsus	W.Germany(N.Rhine)	Westphalian B	Westphalian C
Reticulitriletes	Reticulitriletes fundatus	Kentucky	Chesterian
Reticulitriletes	Reticulitriletes mediareticulatus	Iowa	Morrowan	Desmoinesian
Reticulitriletes	Reticulitriletes membranireticulatus	Denmark	Early Carboniferous
Reticulitriletes	Reticulitriletes proprius	Australia(Queensland)	Visean
Reticulitriletes	Reticulitriletes reticulocingulum	Iowa	Morrowan	Desmoinesian
Reticuloidosporites	Reticuloidosporites antarcticus	Antarctica	Early Emsian
Retispora	Retispora staplini	Iowa	Morrowan	Atokan
Rhabdosporites	Rhabdosporites cymatilus	Spitsbergen	Siegenian	Early Eifelian
Rugospora	Rugospora cymatilia	Spitsbergen	Siegenian	Early Eifelian
Rugospora	Rugospora gracilirugosa sp. nov.	Iowa	Morrowan	Atokan
Rugospora	Rugospora radiata	Iowa	Morrowan