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
Echimonocolpites Echimonocolpites Nd Nd
Echimonocolpites Echimonocolpites spinosus Iowa Middle Cenomanian
Echimonocolpites Echimonocolpites spinosus Colombia Maestrichtian
Echimonocolpites Echimonocolpites tersus Nd Nd
Equisetosporites Equisetosporites ambiguus Iowa Middle Cenomanian
Equisetosporites Equisetosporites virginiaensis Iowa Middle Cenomanian
Foraminisporis Foraminisporis asymmetricus Iowa Early Cenomanian
Foraminisporis Foraminisporis wonthaggiensis Iowa Early Cenomanian Middle Cenomanian
Foveogleicheniidites Foveogleicheniidites confossus Iowa Middle Cenomanian
Foveomonocolpites Foveomonocolpites sp.1 Ravn & Witz.,1995 sp. nov. Iowa Middle Cenomanian Late Cenomanian
Foveosporites Foveosporites cenomanicus Iowa Early Cenomanian
Foveosporites Foveosporites subtriangularis Iowa Middle Cenomanian
Foveotricolporites Foveotricolporites rhombohedralis Iowa Middle Cenomanian
Fraxinoipollenites Fraxinoipollenites constrictus Iowa Early Cenomanian Middle Cenomanian
Gleichenia Gleichenia dicarpoides Iowa Late Albian Cenomanian
Gleichenia Gleichenia dicarpoides USSR(Tomskaya Oblast) Nd
Gleicheniidites Gleicheniidites senonicus Iowa Cenomanian