Petalosporites quadrangulus

Citations total:
6
link From To Geolocation Author - title Year
original Cenomanian Arizona Agasie,J.M. Late Cretaceous palynomorphs from northeastern Arizona. 1969
details Late Cretaceous Arizona Romans,R.C. Palynology of some Upper Cretaceous Coals of Black Mesa, Arizona 1969
details Cenomanian Coniacian Wyoming Griggs,P.H. Stratigraphy and palynology of the Frontier Formation, Big Horn Basin, Wyoming 1970
details Cretaceous Arizona Romans,R.C. Palynology of some Upper Cretaceous Coals of Black Mesa, Arizona 1975
details Middle Cenomanian Iowa Ravn,R.L. et al. The Mid-Cretacous boundary in the western interior seaway, central United States: Implications of palynostratigraphy from the type Dakota Formation. (In: Perspectives on the eastern Margin of the Cretaceous Western Interior Basin. G.W. Shurr et al, editors) 1994
details Early Cenomanian Middle Cenomanian Iowa Ravn,R.L. et al. The palynostratigraphy of the Dakota Formation, (?Late Albian-Cenomanian) in its type area, northwestern Iowa and northeastern Nebraska, USA. 1995