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
Rugubivesiculites Rugubivesiculites woodbinensis Iowa Middle Cenomanian
Sabalpollenites Sabalpollenites conspicuus Minnesota Cenomanian
Sabalpollenites Sabalpollenites minisculus Oklahoma Cenomanian
Sabalpollenites Sabalpollenites scabrus Iowa Cenomanian
Schizocystia Schizocystia rugosa Iowa Middle Cenomanian
Schizophacus Schizophacus majusculus Iowa Early Cenomanian Middle Cenomanian
Schizophacus Schizophacus majusculus Oklahoma Cenomanian
Schizosporis Schizosporis Iowa Early Cenomanian Middle Cenomanian
Schizosporis Schizosporis rugulatus Nd Nd
Scortea Scortea tecta Iowa Early Cenomanian
Senectotetradites Senectotetradites varireticulatus Iowa Middle Cenomanian
Sestrosporites Sestrosporites pseudoalveolatus Iowa Early Cenomanian Middle Cenomanian
Spermatites Spermatites piperiformis Iowa Middle Cenomanian
Sphagnum Sphagnum regium Iowa Middle Cenomanian
Sphagnum Sphagnum regium USSR(WSL) Paleocene
Stellatopollis Stellatopollis largissimus Iowa Middle Cenomanian
Stephanocolpites Stephanocolpites Nd Nd