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
Sporonites Sporonites latigranifer Iowa Atokan
Sporonites Sporonites latigranifer W.Germany(N.Rhine) Westphalian B
Sporonites Sporonites reticulocingulum Iowa Morrowan Desmoinesian
Sporonites Sporonites sphaerotriangulus Iowa Middle Pennsylvanian
Sporonites Sporonites sphaerotriangulus W.Germany(N.Rhine) Westphalian B
Sporonites Sporonites spinososaetosus Iowa Middle Pennsylvanian
Sporonites Sporonites spinososaetosus W.Germany(N.Rhine) Westphalian B
Stellisporites Stellisporites Nd Nd
Stellisporites Stellisporites inflatus Iowa Atokan
Stenozonotriletes Stenozonotriletes occultus sp. nov. Iowa Desmoinesian
Stenozonotriletes Stenozonotriletes sp.1 sp. nov. Iowa Morrowan
Tantillus Tantillus triquetrus Iowa Morrowan Desmoinesian
Tetanisporites Tetanisporites granulatus Iowa Morrowan Desmoinesian
Thymospora Thymospora pseudothiessenii Iowa Middle Pennsylvanian
Thymospora Thymospora pseudothiessenii Iowa Desmoinesian Early Missourian
Thysanites Thysanites densus Iowa Atokan
Tinnulisporites Tinnulisporites microsaccus Iowa Morrowan Desmoinesian