Ravn,R.L.

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