Acanthotriletes |
Acanthotriletes aculeolatus
|
Illinois |
Middle Atokan |
Middle Desmoinesian |
Acanthotriletes |
Acanthotriletes echinatus
|
Illinois |
Morrowan |
Early Desmoinesian |
Ahrensisporites |
Ahrensisporites angulatus
|
Illinois |
Middle Desmoinesian |
|
Ahrensisporites |
Ahrensisporites guerickei
|
Illinois |
Morrowan |
Atokan |
Alatisporites |
Alatisporites trialatus
|
Illinois |
Late Atokan |
Middle Desmoinesian |
Anapiculatisporites |
Anapiculatisporites grundensis
|
Illinois |
Early Desmoinesian |
Middle Desmoinesian |
Anapiculatisporites |
Anapiculatisporites minor
|
Illinois |
Morrowan |
Early Atokan |
Anapiculatisporites |
Anapiculatisporites spinosus
|
Illinois |
Late Atokan |
Middle Desmoinesian |
Apiculatisporis |
Apiculatisporis variocorneus
|
Illinois |
Morrowan |
Atokan |
Apiculatisporites |
Apiculatisporites lappites
|
Illinois |
Middle Atokan |
Virgilian |
Apiculatisporites |
Apiculatisporites spinosaetosus
|
Illinois |
Middle Morrowan |
Middle Desmoinesian |
Cadiospora |
Cadiospora magna
|
Illinois |
Desmoinesian |
Middle Virgilian |
Camptotriletes |
Camptotriletes bucculentus
|
Illinois |
Early Atokan |
Middle Atokan |
Cappasporites |
Cappasporites distortus
|
Illinois |
Middle Morrowan |
Late Desmoinesian |
Cingulizonates |
Cingulizonates loricatus
|
Illinois |
Morrowan |
Atokan |
Cirratriradites |
Cirratriradites annulatus
|
Illinois |
Late Atokan |
Missourian |
Cirratriradites |
Cirratriradites annuliformis
|
Illinois |
Middle Atokan |
Late Desmoinesian |