Dactylofusa |
Dactylofusa maranhensis
|
Brazil(Paraiba) |
Llandoverian |
|
Dactylofusa |
Dactylofusa maranhensis
|
Worldwide |
Llandoverian |
Sheinwoodian |
Dactylofusa |
Dactylofusa rochesterensis
|
Worldwide |
Llandoverian |
Homerian |
Dactylofusa |
Dactylofusa striata
|
Worldwide |
Ashgillian |
|
Dactylofusa |
Dactylofusa striatifera
|
Sweden(Gotland) |
Wenlockian |
|
Daillydium |
Daillydium pentaster
|
Iowa |
Frasnian |
|
Daillydium |
Daillydium pentaster
|
Nd |
Givetian |
Famennian |
Dasydiacrodium |
Dasydiacrodium
|
Nd |
Nd |
|
Dasydiacrodium |
Dasydiacrodium caudatum
|
Canada(Newfoundland) |
Late Cambrian |
Ordovician |
Dasydiacrodium |
Dasydiacrodium caudatum
|
USSR(Russian Platform) |
Late Cambrian |
|
Dasydiacrodium |
Dasydiacrodium glabrum
|
Nd |
Nd |
|
Dasydiacrodium |
Dasydiacrodium glabrum
|
Canada(Alberta) |
Early Tremadocian |
|
Dasydiacrodium |
Dasydiacrodium obsonum
|
Canada(Newfoundland) |
Late Cambrian |
|
Dasydiacrodium |
Dasydiacrodium palmatilobum
|
USSR(Russian Platform) |
Late Cambrian |
Ordovician |
Dasydiacrodium |
Dasydiacrodium palmatilobum
|
Nd |
Early Tremadocian |
|
Dasydorus |
Dasydorus cirritus
|
Nd |
Late Arenigian |
|
Dasypilula |
Dasypilula
|
Nd |
Nd |
|