Tricidarisporites |
Tricidarisporites dumosus
|
Canada(Alberta) |
Chesterian |
|
Granulatisporites |
Granulatisporites dumosus
|
Canada(Alberta) |
Chesterian |
|
Tricidarisporites |
Tricidarisporites williamsii
|
Canada(Alberta) |
Chesterian |
|
Procoronaspora |
Procoronaspora williamsii
|
Canada(Alberta) |
Chesterian |
|
Dibolisporites |
Dibolisporites acritarchus
|
England(Northumberland) |
Visean |
|
Acanthotriletes |
Acanthotriletes acritarchus
|
England(Northumberland) |
Visean |
|
Tricidarisporites |
Tricidarisporites elegans
|
Kentucky |
Conemaugh |
Monongahela |
Granulatisporites |
Granulatisporites elegans
|
Kentucky |
Conemaugh |
Monongahela |
Raistrickia |
Raistrickia inprofusa
|
Nd |
Nd |
|
Tumulispora |
Tumulispora malevkensis
|
Nd |
Nd |
|
Tumulispora |
Tumulispora rarituberculata
|
Nd |
Nd |
|
Leiotriletes |
Leiotriletes incomptus
|
Oklahoma |
Springerian |
|
Punctatisporites |
Punctatisporites incomptus
|
Oklahoma |
Springerian |
|
Raistrickia |
Raistrickia claviger
|
Scotland(Ayr) |
Tournaisian |
|
Schopfites |
Schopfites claviger
|
Scotland(Ayr) |
Tournaisian |
|
Tricidarisporites |
Tricidarisporites serratus
|
Spitsbergen |
Visean |
Namurian A |
Anapiculatisporites |
Anapiculatisporites serratus
|
Spitsbergen |
Visean |
Namurian A |