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
Ovoidites	Ovoidites cachuetensis	Argentina(Mendoza)	Middle Triassic
Psiloschizosporis	Psiloschizosporis cacheutensis	Argentina(Mendoza)	Middle Triassic
Echimonocolpites	Echimonocolpites spinosus	Colombia	Maestrichtian
Monosulcites	Monosulcites spinosus	Colombia	Maestrichtian
Klukisporites	Klukisporites	England(Yorkshire)	Bajocian
Cingulatisporites	Cingulatisporites levispeciosus	Iowa	Cenomanian
Stereisporites	Stereisporites psilatus	Iowa	Late Albian	Cenomanian
Polypodiisporonites	Polypodiisporonites cenomanicus	Iowa	Early Cenomanian	Middle Cenomanian
Scortea	Scortea tecta	Iowa	Early Cenomanian
Tigrisporites	Tigrisporites reticulatus	Iowa	Middle Cenomanian
Undulatisporites	Undulatisporites pannuceus	Iowa	Middle Cenomanian
Undulatisporites	Undulatisporites undulapolus	Iowa	Middle Cenomanian
Verrucosisporites	Verrucosisporites oviformis sp. nov.	Iowa	Middle Cenomanian
Verrucosisporites	Verrucosisporites rotundus	Iowa	Middle Cenomanian
Wilsonisporites	Wilsonisporites coronarius	Iowa	Middle Cenomanian
Striatriletes	Striatriletes coronarius	Iowa	Middle Cenomanian
Aequitriradites	Aequitriradites spinulosus	Iowa	Early Cenomanian	Middle Cenomanian