Author:
Ravn,R.L.;Witzke,B.J.
Year:
1995
Title:
The palynostratigraphy of the Dakota Formation, (?Late Albian-Cenomanian) in its type area, northwestern Iowa and northeastern Nebraska, USA.
Reference:
Ravn,R.L. et al. (1995) The palynostratigraphy of the Dakota Formation, (?Late Albian-Cenomanian) in its type area, northwestern Iowa and northeastern Nebraska, USA. Pal¤eontographica Abteilung B Vol. 234 P. 93- 171
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Genus Species Country(Region) From To
Corollina Corollina torosa Iowa Early Cenomanian Middle Cenomanian
Coronatispora Coronatispora valdensis Nd Nd
Costatoperforosporites Costatoperforosporites foveolatus Iowa Early Cenomanian Middle Cenomanian
Crybelosporites Crybelosporites brenneri Iowa Middle Cenomanian Late Cenomanian
Crybelosporites Crybelosporites bursatus Iowa Middle Cenomanian Late Cenomanian
Crybelosporites Crybelosporites pannuceus Iowa Middle Cenomanian
Crybelosporites Crybelosporites striatus Iowa Early Cenomanian Middle Cenomanian
Cupuliferoidaepollenites Cupuliferoidaepollenites minutus Iowa Middle Cenomanian Late Cenomanian
Cyclonephelium Cyclonephelium sp Iowa Middle Cenomanian
Deltoidospora Deltoidospora hallii Iowa Cenomanian
Deltoidospora Deltoidospora mesozoica Iowa Middle Cenomanian
Deltoidospora Deltoidospora minor Iowa Late Albian Cenomanian
Dictyophyllidites Dictyophyllidites excelsus Minnesota Cenomanian
Dictyophyllidites Dictyophyllidites harrisii Iowa Late Albian Cenomanian
Dictyophyllidites Dictyophyllidites impensus Iowa Cenomanian
Doyleipollenites Doyleipollenites Iowa Cenomanian
Doyleipollenites Doyleipollenites robbinsiae sp. nov. Iowa Cenomanian