Author:
Griggs,P.H.
Year:
1970
Title:
Stratigraphy and palynology of the Frontier Formation, Big Horn Basin, Wyoming
Reference:
Griggs,P.H. (1970) Stratigraphy and palynology of the Frontier Formation, Big Horn Basin, Wyoming PhD Thesis, Michigan State University P. 1- 233
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Genus Species Country(Region) From To
Odontochitina Odontochitina costata Wyoming Cenomanian Coniacian
Odontochitina Odontochitina operculata Wyoming Cenomanian Coniacian
Oligosphaeridium Oligosphaeridium sp Wyoming Cenomanian Coniacian
Osmundacidites Osmundacidites wellmanii Wyoming Cenomanian Coniacian
Palaeohystrichophora Palaeohystrichophora infusorioides Wyoming Cenomanian Coniacian
Palaeoperidinium Palaeoperidinium cretaceum Wyoming Cenomanian Coniacian
Palaeoperidinium Palaeoperidinium sp Wyoming Cenomanian Coniacian
Peromonolites Peromonolites sp.1 sp. nov. Wyoming Cenomanian Coniacian
Perotrilites Perotrilites bursatus Wyoming Cenomanian Coniacian
Perotrilites Perotrilites diversiformus Nd Nd
Perotrilites Perotrilites perisaccus Nd Nd
Perotrilites Perotrilites retiplicatus Nd Nd
Perotrilites Perotrilites sp.1 sp. nov. Wyoming Cenomanian Coniacian
Perotrilites Perotrilites sp.2 sp. nov. Wyoming Cenomanian Coniacian
Perotrilites Perotrilites sp.3 sp. nov. Wyoming Cenomanian Coniacian
Petalosporites Petalosporites quadrangulus Wyoming Cenomanian Coniacian
Phyllocladidites Phyllocladidites sp Wyoming Cenomanian Coniacian