Convolutispora |
Convolutispora tessellata
sp. nov. |
Kentucky |
Chesterian |
|
Convolutispora |
Convolutispora tessellata
sp. nov. |
Illinois |
Chesterian |
|
Convolutispora |
Convolutispora tuberculata
sp. nov. |
Nd |
Nd |
|
Convolutispora |
Convolutispora type A Hoff.et al,1955
sp. nov. |
Illinois |
Chesterian |
|
Convolutispora |
Convolutispora type B Hoff.et al,1955
sp. nov. |
Kentucky |
Chesterian |
|
Convolutispora |
Convolutispora variotuberculata
sp. nov. |
Nd |
Nd |
|
Convolutispora |
Convolutispora venusta
sp. nov. |
Kentucky |
Chesterian |
|
Convolutispora |
Convolutispora venusta
sp. nov. |
Illinois |
Chesterian |
|
Densosporites |
Densosporites brevispinosus
sp. nov. |
Illinois |
Chesterian |
|
Densosporites |
Densosporites brevispinosus
sp. nov. |
Kentucky |
Chesterian |
|
Densosporites |
Densosporites capistratus
sp. nov. |
Kentucky |
Chesterian |
|
Densosporites |
Densosporites capistratus
|
Illinois |
Chesterian |
|
Densosporites |
Densosporites parvus
sp. nov. |
Kentucky |
Chesterian |
|
Densosporites |
Densosporites parvus
sp. nov. |
Illinois |
Chesterian |
|
Densosporites |
Densosporites spinifer
sp. nov. |
Illinois |
Chesterian |
|
Densosporites |
Densosporites spinifer
sp. nov. |
Kentucky |
Chesterian |
|
Densosporites |
Densosporites tenuis
sp. nov. |
Illinois |
Chesterian |
|