Nichols,D.J.

Author:
Nichols,D.J.;Jacobson,S.R.;Tschudy,R.H.

Year:
1982

Title:
Cretaceous palynomorph biozones for the Central and northern Rocky Mountain Region of the United States.

Reference:

Nichols,D.J. et al. (1982) Cretaceous palynomorph biozones for the Central and northern Rocky Mountain Region of the United States. Rocky Mountain Association of Geologists Vol. 19 P. 721- 733

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Genus	Species	Country(Region)	From	To
Proteacidites	Proteacidites retusus	USA(Rocky Mountains)	Santonian	Maastrichtian
Proteacidites	Proteacidites sp	USA(Rocky Mountains)	Early Campanian
Pseudoplicapollis	Pseudoplicapollis newmanii	USA(Rocky Mountains)	Late Santonian	Campanian
Psilatriletes	Psilatriletes circumundulatus	USA(Rocky Mountains)	Middle Albian	Cenomanian
Psilatriletes	Psilatriletes radiatus	USA(Rocky Mountains)	Middle Albian	Early Cenomanian
Pterocarya	Pterocarya stellatus	USA(Rocky Mountains)	Late Maastrichtian
Siberiapollis	Siberiapollis montanensis	USA(Rocky Mountains)	Late Campanian
Spinidinium	Spinidinium vestitum	USA(Rocky Mountains)	Middle Albian	Late Albian
Sporites	Sporites type	USA(Rocky Mountains)	Late Coniacian	Santonian
Striatopollis	Striatopollis paraneus	USA(Rocky Mountains)	Middle Albian
Surculosphaeridium	Surculosphaeridium longifurcatum	USA(Rocky Mountains)	Coniacian	Santonian
Taurocusporites	Taurocusporites segmentatus	USA(Rocky Mountains)	Late Albian
Tigrisporites	Tigrisporites reticulatus	USA(Rocky Mountains)	Middle Albian	Late Albian
Tigrisporites	Tigrisporites scurrandus	USA(Rocky Mountains)	Middle Albian	Cenomanian
Tricolpites	Tricolpites interangulus	USA(Rocky Mountains)	Campanian	Maastrichtian
Tricolpites	Tricolpites sp	USA(Rocky Mountains)	Late Cenomanian	Early Turonian
Trilobosporites	Trilobosporites apiverrucatus	USA(Rocky Mountains)	Middle Albian	Early Cenomanian