Secarisporites |
Secarisporites remotus
|
Illinois |
Morrowan |
|
Simozonotriletes |
Simozonotriletes intortus
|
Illinois |
Early Desmoinesian |
Middle Virgilian |
Spackmanites |
Spackmanites facierugosus
|
Illinois |
Atokan |
Middle Desmoinesian |
Thymospora |
Thymospora obscura
|
Illinois |
Middle Desmoinesian |
|
Thymospora |
Thymospora pseudothiessenii
|
Illinois |
Desmoinesian |
Virgilian |
Thymospora |
Thymospora thiessenii
|
Illinois |
Middle Virgilian |
Late Virgilian |
Torispora |
Torispora securis
|
Illinois |
Middle Atokan |
Middle Desmoinesian |
Triquitrites |
Triquitrites bransonii
|
Illinois |
Middle Atokan |
Middle Virgilian |
Triquitrites |
Triquitrites exiguus
|
Illinois |
Late Atokan |
Middle Desmoinesian |
Triquitrites |
Triquitrites minutus
|
Illinois |
Late Atokan |
Middle Virgilian |
Triquitrites |
Triquitrites pulvinatus
|
Illinois |
Middle Atokan |
Late Desmoinesian |
Triquitrites |
Triquitrites sculptilis
|
Illinois |
Middle Atokan |
Middle Desmoinesian |
Triquitrites |
Triquitrites spinosus
|
Illinois |
Middle Desmoinesian |
Middle Virgilian |
Verrucosisporites |
Verrucosisporites perverrucosus
|
Illinois |
Morrowan |
Atokan |
Vestispora |
Vestispora fenestrata
|
Illinois |
Middle Atokan |
Early Missourian |
Vestispora |
Vestispora irregularis
|
Illinois |
Early Atokan |
Middle Atokan |
Vestispora |
Vestispora laevigata
|
Illinois |
Middle Atokan |
Middle Desmoinesian |