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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
Cirratriradites Cirratriradites fragilis sp. nov. W.Germany(N.Rhine) Westphalian B
Cirratriradites Cirratriradites maculatus Iowa Atokan Early Missourian
Cirratriradites Cirratriradites pseudoannulatus Iowa Morrowan
Cirratriradites Cirratriradites punctatus Iowa Morrowan
Cirratriradites Cirratriradites reticulatus Iowa Atokan
Cirratriradites Cirratriradites saturni Iowa Middle Pennsylvanian
Cirratriradites Cirratriradites sp sp. nov. Iowa Morrowan Atokan
Cirratriradites Cirratriradites tenuis Illinois Desmoinesian
Cirratriradites Cirratriradites tenuis W.Germany(N.Rhine) Westphalian B
Cirratriradites Cirratriradites uber Iowa Morrowan
Cirratrisporites Cirratrisporites saturni Iowa Middle Pennsylvanian
Colatisporites Colatisporites decorus Iowa Morrowan Atokan
Complexisporites Complexisporites chaloneri Iowa Morrowan Desmoinesian
Converrucosisporites Converrucosisporites armatus Iowa Middle Pennsylvanian
Converrucosisporites Converrucosisporites sp.1 sp. nov. Iowa Morrowan
Converrucosisporites Converrucosisporites vermiformis sp. nov. Iowa Atokan
Convolutispora Convolutispora cerina Iowa Atokan