Auroraspora |
Auroraspora solisorta
|
Arkansas |
Springerian |
|
Endosporites |
Endosporites micromanifestus
|
Arkansas |
Springerian |
|
Hymenospora |
Hymenospora caperata
|
Arkansas |
Springerian |
|
Grandispora |
Grandispora echinata
|
Arkansas |
Springerian |
|
Grandispora |
Grandispora spinosa
|
Arkansas |
Springerian |
|
Rotaspora |
Rotaspora fracta
|
Arkansas |
Springerian |
|
Tripartites |
Tripartites vetustus
|
Arkansas |
Springerian |
|
Hadrohercus |
Hadrohercus stereon
|
Arkansas |
Springerian |
|
Densosporites |
Densosporites irregularis
|
Arkansas |
Chesterian |
|
Lagenicula |
Lagenicula horrida
|
Illinois |
Chesterian |
Morrowan |
Schulzospora |
Schulzospora rara
|
Illinois |
Chesterian |
Morrowan |
Anaplanisporites |
Anaplanisporites baccatus
|
Illinois |
Chesterian |
Morrowan |
Densosporites |
Densosporites irregularis
|
Illinois |
Chesterian |
Morrowan |
Lagenicula |
Lagenicula splendida
|
Illinois |
Chesterian |
|
Auroraspora |
Auroraspora solisorta
|
Illinois |
Chesterian |
|
Hymenospora |
Hymenospora sp
|
Illinois |
Chesterian |
|
Cystosporites |
Cystosporites verrucosus
|
Illinois |
Morrowan |
|