Cirratriradites |
Cirratriradites maculatus
|
Illinois |
Morrowan |
Middle Desmoinesian |
Cirratriradites |
Cirratriradites saturni
|
Illinois |
Morrowan |
Early Desmoinesian |
Crassispora |
Crassispora kosankei
|
Illinois |
Morrowan |
Virgilian |
Cristatisporites |
Cristatisporites indignabundus
|
Illinois |
Morrowan |
Atokan |
Cyclogranisporites |
Cyclogranisporites leopoldi
|
Illinois |
Middle Atokan |
Early Desmoinesian |
Cyclogranisporites |
Cyclogranisporites orbiculus
|
Illinois |
Middle Desmoinesian |
|
Cyclogranisporites |
Cyclogranisporites sp
|
Illinois |
Late Atokan |
Early Virgilian |
Cyclogranisporites |
Cyclogranisporites staplini
|
Illinois |
Desmoinesian |
Early Virgilian |
Densosporites |
Densosporites annulatus
|
Illinois |
Morrowan |
Atokan |
Densosporites |
Densosporites irregularis
|
Illinois |
Morrowan |
|
Densosporites |
Densosporites sphaerotriangularis
|
Illinois |
Morrowan |
Middle Desmoinesian |
Densosporites |
Densosporites triangularis
|
Illinois |
Morrowan |
|
Dictyotriletes |
Dictyotriletes bireticulatus
|
Illinois |
Middle Morrowan |
Early Desmoinesian |
Dictyotriletes |
Dictyotriletes castanaeformis
|
Illinois |
Middle Morrowan |
Middle Atokan |
Dictyotriletes |
Dictyotriletes reticulocingulum
|
Illinois |
Middle Morrowan |
Middle Desmoinesian |
Endosporites |
Endosporites globiformis
|
Illinois |
Atokan |
Virgilian |
Endosporites |
Endosporites plicatus
|
Illinois |
Middle Atokan |
Virgilian |