Convolutispora |
Convolutispora sp
|
Missouri |
Early Missourian |
|
Crassispora |
Crassispora kosankei
|
Indiana |
Early Morrowan |
Late Desmoinesian |
Crassispora |
Crassispora kosankei
|
Illinois |
Late Morrowan |
Early Missourian |
Crassispora |
Crassispora kosankei
|
Arkansas |
Late Morrowan |
|
Crassispora |
Crassispora kosankei
|
Kentucky |
Late Morrowan |
Late Atokan |
Crassispora |
Crassispora kosankei
|
Tennessee |
Late Morrowan |
Atokan |
Crassispora |
Crassispora kosankei
|
Oklahoma |
Desmoinesian |
|
Crassispora |
Crassispora kosankei
|
Kansas |
Late Desmoinesian |
|
Crassispora |
Crassispora kosankei
|
Missouri |
Desmoinesian |
Early Missourian |
Crassispora |
Crassispora kosankei
|
Ohio |
Desmoinesian |
Early Missourian |
Cristatisporites |
Cristatisporites connexus
|
Illinois |
Pennsylvanian |
|
Cristatisporites |
Cristatisporites connexus
|
Arkansas |
Late Morrowan |
|
Cristatisporites |
Cristatisporites connexus
|
Tennessee |
Early Atokan |
|
Cristatisporites |
Cristatisporites indignabundus
|
Illinois |
Late Morrowan |
Early Atokan |
Cristatisporites |
Cristatisporites indignabundus
|
Arkansas |
Late Morrowan |
|
Cristatisporites |
Cristatisporites indignabundus
|
Kentucky |
Late Morrowan |
Late Atokan |
Cristatisporites |
Cristatisporites indignabundus
|
Tennessee |
Late Morrowan |
Atokan |