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
Rousea	Rousea sp.1 Ravn & Witz.,1995 sp. nov.	Iowa	Late Cenomanian
Sabalpollenites	Sabalpollenites scabrus	Iowa	Cenomanian
Triporoletes	Triporoletes reticulatus	Iowa	Early Cenomanian	Middle Cenomanian
Senectotetradites	Senectotetradites varireticulatus	Iowa	Middle Cenomanian
Stellatopollis	Stellatopollis largissimus	Iowa	Middle Cenomanian
Stephanocolpites	Stephanocolpites tectorius	Iowa	Middle Cenomanian
Tricolpites	Tricolpites nemejcii	Iowa	Middle Cenomanian
Tricolpites	Tricolpites patens	Iowa	Middle Cenomanian
Tricolpites	Tricolpites vulgaris	Iowa	Late Albian	Cenomanian
Arcellites	Arcellites disciformis	Iowa	Middle Cenomanian	Late Cenomanian
Ariadnaesporites	Ariadnaesporites spinocaperatus	Iowa	Late Albian	Middle Cenomanian
Camarozonosporites	Camarozonosporites ambigens	Iowa	Late Albian	Middle Cenomanian
Balmeisporites	Balmeisporites glenelgensis	Iowa	Middle Cenomanian	Late Cenomanian
Lecaniella	Lecaniella foveata	Iowa	Middle Cenomanian	Late Cenomanian
Ovoidites	Ovoidites australiensis sp. nov.	Iowa	Middle Cenomanian	Late Cenomanian
Ovoidites	Ovoidites majusculus	Iowa	Early Cenomanian	Middle Cenomanian
Schizophacus	Schizophacus majusculus	Iowa	Early Cenomanian	Middle Cenomanian