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
Brenneripollis	Brenneripollis peroreticulatus	Iowa	Middle Cenomanian
Brenneripollis	Brenneripollis potomacensis sp. nov.	Iowa	Middle Cenomanian
Cupuliferoidaepollenites	Cupuliferoidaepollenites minutus	Iowa	Middle Cenomanian	Late Cenomanian
Doyleipollenites	Doyleipollenites	Iowa	Cenomanian
Doyleipollenites	Doyleipollenites robbinsiae sp. nov.	Iowa	Cenomanian
Triporoletes	Triporoletes cenomanianus	Iowa	Early Cenomanian	Middle Cenomanian
Echimonocolpites	Echimonocolpites spinosus	Iowa	Middle Cenomanian
Monosulcites	Monosulcites spinosus	Iowa	Middle Cenomanian
Foveomonocolpites	Foveomonocolpites sp.1 Ravn & Witz.,1995 sp. nov.	Iowa	Middle Cenomanian	Late Cenomanian
Foveotricolporites	Foveotricolporites rhombohedralis	Iowa	Middle Cenomanian
Fraxinoipollenites	Fraxinoipollenites constrictus	Iowa	Early Cenomanian	Middle Cenomanian
Liliacidites	Liliacidites doylei	Iowa	Middle Cenomanian
Triporoletes	Triporoletes pluricellulus	Iowa	Early Cenomanian
Montiapollis	Montiapollis hallii	Iowa	Middle Cenomanian	Late Cenomanian
Phimopollenites	Phimopollenites sp.1 Ravn & Witz.,1995 sp. nov.	Iowa	Middle Cenomanian
Retimonocolpites	Retimonocolpites dividuus	Iowa	Late Albian	Cenomanian
Rousea	Rousea wilsonii	Iowa	Middle Cenomanian	Late Cenomanian