Ammonidium |
Ammonidium sp
|
Indiana |
Frasnian |
|
Ancyrospora |
Ancyrospora sp
|
Virginia |
Frasnian |
Famennian |
Ancyrospora |
Ancyrospora sp
|
Kentucky |
Famennian |
|
Convolutispora |
Convolutispora sp
|
Kentucky |
Famennian |
|
Convolutispora |
Convolutispora sp
|
Virginia |
Famennian |
|
Cymatiosphaera |
Cymatiosphaera fistulosa
|
Virginia |
Famennian |
|
Cymatiosphaera |
Cymatiosphaera parvicarina
|
Virginia |
Frasnian |
|
Cymatiosphaera |
Cymatiosphaera peifferi
|
Kentucky |
Frasnian |
|
Diexallophasis |
Diexallophasis absona
|
Indiana |
Famennian |
|
Diexallophasis |
Diexallophasis denticulata
|
Indiana |
Frasnian |
|
Diexallophasis |
Diexallophasis remota
|
Kentucky |
Frasnian |
Famennian |
Gorgonisphaeridium |
Gorgonisphaeridium ohioense
|
Kentucky |
Famennian |
|
Gorgonisphaeridium |
Gorgonisphaeridium sp
|
Kentucky |
Frasnian |
|
Gorgonisphaeridium |
Gorgonisphaeridium winslowiae
|
Virginia |
Famennian |
|
Hymenozonotriletes |
Hymenozonotriletes famenensis
|
Kentucky |
Famennian |
|
Hymenozonotriletes |
Hymenozonotriletes lepidophytus
|
Kentucky |
Famennian |
|
Hymenozonotriletes |
Hymenozonotriletes micromanifestus
|
Kentucky |
Famennian |
|