Goniosphaeridium |
Goniosphaeridium pungens
|
Canada(Alberta) |
Tremadocian |
Early Arenigian |
Goniosphaeridium |
Goniosphaeridium rasulii
|
Nd |
Nd |
|
Goniosphaeridium |
Goniosphaeridium varium
|
Poland |
Early Cambrian |
|
Goniosphaeridium |
Goniosphaeridium varium
|
USSR(Russian Platform) |
Early Cambrian |
Middle Cambrian |
Gorgonisphaeridium |
Gorgonisphaeridium
|
Nd |
Nd |
|
Gorgonisphaeridium |
Gorgonisphaeridium absitum
|
Nd |
Nd |
|
Gorgonisphaeridium |
Gorgonisphaeridium condensum
|
Nd |
Nd |
|
Gorgonisphaeridium |
Gorgonisphaeridium evexispinosum
|
Nd |
Nd |
|
Gorgonisphaeridium |
Gorgonisphaeridium inflatum
|
Nd |
Nd |
|
Gorgonisphaeridium |
Gorgonisphaeridium ohioense
|
China(Sinkiang Uighur) |
Famennian |
|
Gorgonisphaeridium |
Gorgonisphaeridium ohioense
|
Nd |
Late Frasnian |
Famennian |
Gorgonisphaeridium |
Gorgonisphaeridium succinum
|
Worldwide |
Homerian |
Ludfordian |
Gorgonisphaeridium |
Gorgonisphaeridium winslowiae
|
Nd |
Nd |
|
Gracilisphaeridium |
Gracilisphaeridium encantador
|
Sweden(Gotland) |
Late Llandoverian |
Early Wenlockian |
Gracilisphaeridium |
Gracilisphaeridium encantador
|
Worldwide |
Late Telychian |
Early Sheinwoodian |
Hapsidopalla |
Hapsidopalla chela
|
Nd |
Nd |
|
Hapsidopalla |
Hapsidopalla exornata
|
Nd |
Nd |
|