Dicrodiacrodium |
Dicrodiacrodium normale
|
Canada(Newfoundland) |
Arenigian |
|
Frankea |
Frankea sartbernardensis
|
Canada(Newfoundland) |
Arenigian |
|
Leiofusa |
Leiofusa stoumonensis
|
Canada(Newfoundland) |
Late Cambrian |
|
Marrocanium |
Marrocanium simplex
|
Canada(Newfoundland) |
Arenigian |
|
Peteinosphaeridium |
Peteinosphaeridium palmatum
|
Canada(Newfoundland) |
Arenigian |
|
Pirea |
Pirea ornata
|
Canada(Newfoundland) |
Arenigian |
|
Pirea |
Pirea sp
|
Belgium |
Late Arenigian |
|
Poikilofusa |
Poikilofusa squama
|
Canada(Newfoundland) |
Tremadocian |
|
Saharidia |
Saharidia fragilis
|
Canada(Newfoundland) |
Late Cambrian |
Tremadocian |
Stelliferidium |
Stelliferidium cortinulum
|
Canada(Newfoundland) |
Late Cambrian |
Tremadocian |
Stelliferidium |
Stelliferidium striatulum
|
Canada(Newfoundland) |
Arenigian |
|
Striatotheca |
Striatotheca microrugulata
|
Canada(Newfoundland) |
Arenigian |
|
Striatotheca |
Striatotheca principalis
|
Canada(Newfoundland) |
Arenigian |
|
Striatotheca |
Striatotheca quieta
|
Canada(Newfoundland) |
Arenigian |
|
Tetraniveum |
Tetraniveum arenigum
|
Canada(Newfoundland) |
Arenigian |
|
Timofeevia |
Timofeevia lancariae
|
Canada(Newfoundland) |
Late Cambrian |
|
Timofeevia |
Timofeevia microretis
|
Canada(Newfoundland) |
Late Cambrian |
|