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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
Dictyotriletes Dictyotriletes mediareticulatus Iowa Morrowan Desmoinesian
Dictyotriletes Dictyotriletes membranireticulatus Denmark Early Carboniferous
Dictyotriletes Dictyotriletes muricatus Iowa Morrowan Desmoinesian
Dictyotriletes Dictyotriletes papillatus Nd Nd
Dictyotriletes Dictyotriletes proprius Australia(Queensland) Visean
Dictyotriletes Dictyotriletes reticulocingulum Iowa Morrowan Desmoinesian
Dictyotriletes Dictyotriletes reticulocingulum Iowa Morrowan Desmoinesian
Dictyotriletes Dictyotriletes sp. Play.,1977 sp. nov. Nd Nd
Echinatisporis Echinatisporis acritarchus Scotland(Borders) Visean
Echinatisporis Echinatisporis anadarkoensis sp. nov. Iowa Morrowan Desmoinesian
Echinatisporis Echinatisporis echinoides Illinois Chesterian
Echinatisporis Echinatisporis knoxiae sp. nov. Iowa Middle Pennsylvanian
Echinatisporis Echinatisporis novicus USSR(Ukrainian SSR) Middle Carboniferous
Echinatisporis Echinatisporis pineatus Illinois Chesterian
Echinatisporis Echinatisporis productus Kentucky Conemaugh Monongahela
Echinatisporis Echinatisporis socraticus Scotland(E.Lothian) Dinantian
Elaterites Elaterites triferens Iowa Atokan