Ammonidium |
Ammonidium sp
|
Kentucky |
Late Devonian |
|
Arkonites |
Arkonites bilixus
|
Kentucky |
Givetian |
|
Baltisphaeridium |
Baltisphaeridium distentum
|
Kentucky |
Eifelian |
Givetian |
Cymatiosphaera |
Cymatiosphaera ambotrocha
|
Kentucky |
Late Frasnian |
Early Famennian |
Cymatiosphaera |
Cymatiosphaera rhodana
|
Kentucky |
Late Frasnian |
Early Famennian |
Cymatiosphaera |
Cymatiosphaera sp
|
Kentucky |
Late Devonian |
|
Duvernaysphaera |
Duvernaysphaera angelae
|
Kentucky |
Eifelian |
Famennian |
Duvernaysphaera |
Duvernaysphaera tenuicingulata
|
Kentucky |
Eifelian |
Frasnian |
Emphanisporites |
Emphanisporites rotatus
|
Kentucky |
Late Devonian |
|
Exochoderma |
Exochoderma arca
|
Kentucky |
Givetian |
|
Gorgonisphaeridium |
Gorgonisphaeridium absitum
|
Kentucky |
Late Frasnian |
Early Famennian |
Gorgonisphaeridium |
Gorgonisphaeridium ohioense
|
Kentucky |
Late Frasnian |
Early Famennian |
Gorgonisphaeridium |
Gorgonisphaeridium plerispinosum
|
Kentucky |
Late Frasnian |
Early Famennian |
Gorgonisphaeridium |
Gorgonisphaeridium sp
|
Kentucky |
Late Devonian |
|
Micrhystridium |
Micrhystridium sp
|
Kentucky |
Late Devonian |
|
Multiplicisphaeridium |
Multiplicisphaeridium ancorum
|
Kentucky |
Late Frasnian |
Early Famennian |
Multiplicisphaeridium |
Multiplicisphaeridium ramusculosum
|
Kentucky |
Eifelian |
Famennian |