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
Aequitriradites	Aequitriradites spinulosus	Iowa	Early Cenomanian	Middle Cenomanian
Appendicisporites	Appendicisporites	Nd	Nd
Araucariacites	Araucariacites australis	Iowa	Middle Cenomanian
Arcellites	Arcellites disciformis	Iowa	Middle Cenomanian	Late Cenomanian
Ariadnaesporites	Ariadnaesporites spinocaperatus	Iowa	Late Albian	Middle Cenomanian
Artiopollis	Artiopollis indivisus	Iowa	Early Cenomanian	Middle Cenomanian
Balmeiopsis	Balmeiopsis limbatus	Iowa	Middle Cenomanian	Late Cenomanian
Balmeisporites	Balmeisporites glenelgensis	Iowa	Middle Cenomanian	Late Cenomanian
Biretisporites	Biretisporites potoniaei	Iowa	Late Albian	Cenomanian
Brenneripollis	Brenneripollis peroreticulatus	Iowa	Middle Cenomanian
Brenneripollis	Brenneripollis potomacensis sp. nov.	Iowa	Middle Cenomanian
Calamospora	Calamospora tener	Iowa	Middle Cenomanian
Camarozonosporites	Camarozonosporites ambigens	Iowa	Late Albian	Middle Cenomanian
Camarozonosporites	Camarozonosporites sp.1 Ravn & Witz.,1995 sp. nov.	Iowa	Middle Cenomanian	Late Cenomanian
Cibotiumspora	Cibotiumspora jurienensis	Iowa	Early Cenomanian	Middle Cenomanian
Cicatricosisporites	Cicatricosisporites australiensis	Iowa	Middle Cenomanian	Late Cenomanian
Cicatricosisporites	Cicatricosisporites crassiterminatus	Iowa	Early Cenomanian	Middle Cenomanian