Cymatiogalea |
Cymatiogalea bouvardii
|
Nd |
Nd |
|
Schizodiacrodium |
Schizodiacrodium digermulense
|
Norway |
Early Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium digermulense
|
Norway |
Early Tremadocian |
|
Schizodiacrodium |
Schizodiacrodium digermulense
|
Russia(St.Petersburg) |
Late Cambrian |
|
Schizodiacrodium |
Schizodiacrodium digermulense
|
Russia(Yaroslav) |
Late Cambrian |
|
Orthosphaeridium |
Orthosphaeridium extensum
|
Russia(Yaroslav) |
Late Cambrian |
|
Orthosphaeridium |
Orthosphaeridium extensum
|
Russian Platform |
Late Cambrian |
|
Raphesphaera |
Raphesphaera striatula
|
USSR(Estonian SSR) |
Tremadocian |
|
Raphesphaera |
Raphesphaera obsoleta
|
USSR(Estonian SSR) |
Late Cambrian |
|
Vulcanisphaera |
Vulcanisphaera obsoleta
|
USSR(Estonian SSR) |
Late Cambrian |
|
Vulcanisphaera |
Vulcanisphaera striatula
|
USSR(Estonian SSR) |
Tremadocian |
|
Multiplicisphaeridium |
Multiplicisphaeridium petropolitanum
|
USSR(Leningrad) |
Middle Cambrian |
|
Veryhachium |
Veryhachium petropolitanum
|
USSR(Leningrad) |
Middle Cambrian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium lueberi
|
USSR(Pre-Baltic) |
Late Cambrian |
|
Polygonium |
Polygonium lueberi
|
USSR(Pre-Baltic) |
Late Cambrian |
|
Raphesphaera |
Raphesphaera spinulifera
|
USSR(Russian Platform) |
Late Cambrian |
|
Vulcanisphaera |
Vulcanisphaera spinulifera
|
USSR(Russian Platform) |
Late Cambrian |
|