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
Leiotriletes	Leiotriletes subadnatoides	Iowa	Middle Pennsylvanian
Leiotriletes	Leiotriletes subadnatoides	France(Moselle)	Westphalian	Stephanian
Leiotriletes	Leiotriletes subintortus	Iowa	Morrowan	Atokan
Leiotriletes	Leiotriletes tumidus	Scotland(Fife)	Namurian A
Leiotriletes	Leiotriletes turgidus	Iowa	Morrowan	Desmoinesian
Leschikisporis	Leschikisporis obliquus	Iowa	Morrowan	Desmoinesian
Limitisporites	Limitisporites sp.1 sp. nov.	Iowa	Middle Pennsylvanian
Lophisporites	Lophisporites microsaetosus	Iowa	Morrowan	Desmoinesian
Lophisporites	Lophisporites mosaicus	Iowa	Morrowan	Desmoinesian
Lophisporites	Lophisporites pseudaculeatus	Iowa	Morrowan	Desmoinesian
Lophotriletes	Lophotriletes commissuralis	Iowa	Morrowan	Desmoinesian
Lophotriletes	Lophotriletes commissuralis	Iowa	Morrowan	Desmoinesian
Lophotriletes	Lophotriletes confertus	Iowa	Atokan
Lophotriletes	Lophotriletes copiosus	Iowa	Middle Pennsylvanian
Lophotriletes	Lophotriletes gibbosus	Iowa	Middle Pennsylvanian
Lophotriletes	Lophotriletes gibbosus	Iowa	Morrowan	Desmoinesian
Lophotriletes	Lophotriletes gibbosus	Iowa	Morrowan	Desmoinesian