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
Polypodiisporites	Polypodiisporites	Nd	Nd
Polypodiisporonites	Polypodiisporonites cenomanicus	Iowa	Early Cenomanian	Middle Cenomanian
Pristinuspollenites	Pristinuspollenites inchoatus	Iowa	Late Albian	Cenomanian
Pristinuspollenites	Pristinuspollenites pannosus	Iowa	Middle Cenomanian
Pristinuspollenites	Pristinuspollenites sp.1 Ravn & Witz.,1995 sp. nov.	Iowa	Late Albian
Psilatriletes	Psilatriletes excelsus	Minnesota	Cenomanian
Psiloschizosporis	Psiloschizosporis cacheutensis	Argentina(Mendoza)	Middle Triassic
Retibivesiculites	Retibivesiculites parvus	Nd	Nd
Retimonocolpites	Retimonocolpites dividuus	Iowa	Late Albian	Cenomanian
Retimonocolpites	Retimonocolpites sp.D Doyl.,1973 sp. nov.	Nd	Nd
Retitriletes	Retitriletes	Nd	Nd
Retitriletes	Retitriletes expansus	Iowa	Middle Cenomanian
Retitriletes	Retitriletes reticulumsporites	Iowa	Middle Cenomanian	Late Cenomanian
Rousea	Rousea sp.1 Ravn & Witz.,1995 sp. nov.	Iowa	Late Cenomanian
Rousea	Rousea wilsonii	Iowa	Middle Cenomanian	Late Cenomanian
Rugubivesiculites	Rugubivesiculites convolutus	Iowa	Middle Cenomanian
Rugubivesiculites	Rugubivesiculites rugosus	Iowa	Late Albian	Cenomanian