Ooidium |
Ooidium clavigerum
sp. nov. |
Canada(Newfoundland) |
Late Cambrian |
|
Ooidium |
Ooidium rossicum
|
Canada(Newfoundland) |
Late Cambrian |
|
Orthosphaeridium |
Orthosphaeridium extensum
sp. nov. |
Canada(Newfoundland) |
Late Cambrian |
|
Orthosphaeridium |
Orthosphaeridium extensum
|
France(Ardennes) |
Late Cambrian |
|
Orthosphaeridium |
Orthosphaeridium extensum
|
Russia(Yaroslav) |
Late Cambrian |
|
Orthosphaeridium |
Orthosphaeridium extensum
|
Russian Platform |
Late Cambrian |
|
Orthosphaeridium |
Orthosphaeridium triangulare
|
Canada(Newfoundland) |
Late Cambrian |
|
Orthosphaeridium |
Orthosphaeridium triangulare
|
USSR(Yaroslav) |
Tremadocian |
|
Poikilofusa |
Poikilofusa sp.1 Paal.,1992
sp. nov. |
Nd |
Nd |
|
Poikilofusa |
Poikilofusa sp.A Pars.& Ande.,2000
sp. nov. |
Canada(Newfoundland) |
Late Cambrian |
|
Poikilofusa |
Poikilofusa squama
|
Canada(Newfoundland) |
Late Cambrian |
Early Tremadocian |
Poikilofusa |
Poikilofusa squama
|
Nd |
Nd |
|
Polygonium |
Polygonium lueberi
|
USSR(Pre-Baltic) |
Late Cambrian |
|
Raphesphaera |
Raphesphaera obsoleta
|
USSR(Estonian SSR) |
Late Cambrian |
|
Raphesphaera |
Raphesphaera spinulifera
|
Canada(Newfoundland) |
Late Cambrian |
|
Raphesphaera |
Raphesphaera spinulifera
|
USSR(Russian Platform) |
Late Cambrian |
|
Raphesphaera |
Raphesphaera striatula
|
USSR(Estonian SSR) |
Tremadocian |
|