Acriora |
Acriora petala
|
Ohio |
Famennian |
|
Ammonidium |
Ammonidium hamatum
|
Ohio |
Famennian |
|
Barathrisphaeridium |
Barathrisphaeridium chagrinense
|
Ohio |
Famennian |
Tournaisian |
Barathrisphaeridium |
Barathrisphaeridium pumilispinosum
|
Ohio |
Famennian |
|
Comasphaeridium |
Comasphaeridium caesariatum
|
Ohio |
Famennian |
|
Conradidium |
Conradidium firmamentum
|
Ohio |
Tournaisian |
|
Crassisphaeridium |
Crassisphaeridium inusitatum
|
Ohio |
Famennian |
|
Cymatiosphaera |
Cymatiosphaera acinosa
|
Ohio |
Famennian |
|
Cymatiosphaera |
Cymatiosphaera adaiochorata
|
Ohio |
Famennian |
|
Cymatiosphaera |
Cymatiosphaera brevicrista
|
Ohio |
Famennian |
|
Cymatiosphaera |
Cymatiosphaera daioariochora
|
Ohio |
Famennian |
|
Cymatiosphaera |
Cymatiosphaera labyrinthica
|
Ohio |
Famennian |
Tournaisian |
Cymatiosphaera |
Cymatiosphaera parvicarina
|
Ohio |
Famennian |
|
Cymatiosphaera |
Cymatiosphaera rhacoamba
|
Ohio |
Famennian |
|
Cymatiosphaera |
Cymatiosphaera velicarina
|
Ohio |
Tournaisian |
|
Diaphorochroa |
Diaphorochroa ganglia
|
Ohio |
Famennian |
|
Diexallophasis |
Diexallophasis absona
|
Ohio |
Tournaisian |
|