Convolutispora |
Convolutispora affluens
|
North America |
Carnian |
|
Convolutispora |
Convolutispora klukiforma
|
North America |
Rhaetian |
Pliensbachian |
Convolutispora |
Convolutispora microfoveolata
|
North America |
Carnian |
Rhaetian |
Cornetipollis |
Cornetipollis reticulata
|
North America |
Carnian |
|
Corollina |
Corollina meyeriana
|
North America |
Carnian |
Pliensbachian |
Corollina |
Corollina murphyi
|
North America |
Hettangian |
Pliensbachian |
Corollina |
Corollina simplex
|
North America |
Rhaetian |
Pliensbachian |
Corollina |
Corollina torosa
|
North America |
Late Pliensbachian |
|
Cycadopites |
Cycadopites andrewsii
|
North America |
Hettangian |
|
Cycadopites |
Cycadopites durhamensis
|
North America |
Hettangian |
|
Cycadopites |
Cycadopites reticulatus
|
North America |
Rhaetian |
Pliensbachian |
Cyclogranisporites |
Cyclogranisporites oppressus
|
Texas |
Late Carnian |
Early Norian |
Cyclogranisporites |
Cyclogranisporites oppressus
|
New Mexico |
Middle Carnian |
Early Norian |
Cyclogranisporites |
Cyclogranisporites oppressus
|
Arizona |
Middle Carnian |
Early Norian |
Cyclogranisporites |
Cyclogranisporites oppressus
|
North America |
Carnian |
|
Cyclotriletes |
Cyclotriletes margaritatus
|
Texas |
Late Carnian |
Early Norian |
Cyclotriletes |
Cyclotriletes margaritatus
|
New Mexico |
Middle Carnian |
Early Norian |