Leiotriletes |
Leiotriletes albertensis
|
Canada(Alberta) |
Chesterian |
|
Hymenozonotriletes |
Hymenozonotriletes tessellatus
|
Canada(Alberta) |
Chesterian |
|
Azonaletes |
Azonaletes radforthii
|
Canada(Alberta) |
Chesterian |
|
Waltzispora |
Waltzispora albertensis
|
Canada(Alberta) |
Chesterian |
|
Rotaspora |
Rotaspora fracta
|
Canada(Alberta) |
Chesterian |
|
Anulatisporites |
Anulatisporites orbiculatus
|
Canada(Alberta) |
Chesterian |
|
Euryzonotriletes |
Euryzonotriletes appendices
|
Canada(NWT,Keewatin) |
Middle Chesterian |
|
Euryzonotriletes |
Euryzonotriletes rotulus
|
Canada(NWT,Keewatin) |
Middle Chesterian |
|
Euryzonotriletes |
Euryzonotriletes canaliculatus
|
Canada(NWT,Keewatin) |
Middle Chesterian |
|
Euryzonotriletes |
Euryzonotriletes variomarginatus
|
Canada(NWT,Keewatin) |
Middle Chesterian |
|
Murospora |
Murospora friendii
|
Canada(NWT,Keewatin) |
Middle Chesterian |
|
Cincturasporites |
Cincturasporites appendices
|
Canada(NWT,Keewatin) |
Middle Chesterian |
|
Tendosporites |
Tendosporites rotulus
|
Canada(NWT,Keewatin) |
Middle Chesterian |
|
Zonotriletes |
Zonotriletes subcrenatus
|
Canada(NWT,Keewatin) |
Middle Chesterian |
|
Hymenozonotriletes |
Hymenozonotriletes granulatipunctatus
|
Illinois |
Middle Chesterian |
|
Alatisporites |
Alatisporites tessellatus
|
Illinois |
Middle Chesterian |
|
Retialetes |
Retialetes radforthii
|
Nd |
Nd |
|