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

Google Academy:

try to search by title in english

Genus	Species	Country(Region)	From	To
Deltoidospora	Deltoidospora priddyi	Iowa	Morrowan	Desmoinesian
Deltoidospora	Deltoidospora pseudolevis	Illinois	Desmoinesian
Deltoidospora	Deltoidospora pyramidata	England(Gloucestershire)	Late Visean
Deltoidospora	Deltoidospora smithii sp. nov.	Iowa	Morrowan	Desmoinesian
Deltoidospora	Deltoidospora sphaerotriangula	Iowa	Middle Pennsylvanian
Deltoidospora	Deltoidospora sphaerotriangula	W.Germany(N.Rhine)	Westphalian B
Deltoidospora	Deltoidospora subadnatoides	Iowa	Middle Pennsylvanian
Deltoidospora	Deltoidospora subadnatoides	France(Moselle)	Westphalian	Stephanian
Deltoidospora	Deltoidospora subintorta	Iowa	Morrowan	Atokan
Deltoidospora	Deltoidospora sullivanii sp. nov.	Congo	Early Permian	Middle Permian
Deltoidospora	Deltoidospora sullivanii sp. nov.	England(Gloucestershire)	Late Visean
Deltoidospora	Deltoidospora tumida	Scotland(Fife)	Namurian A
Densisporites	Densisporites indignabundus	Iowa	Morrowan	Atokan
Densosporites	Densosporites aculeatus	Iowa	Morrowan	Atokan
Densosporites	Densosporites annulatus	Iowa	Morrowan	Atokan
Densosporites	Densosporites irregularis	Iowa	Morrowan	Atokan
Densosporites	Densosporites oblatus	Iowa	Morrowan	Atokan