Protonucellosphaeridium |
Protonucellosphaeridium sp
|
USSR(Yakut ASSR) |
Cambrian |
|
Prototrachysphaeridium |
Prototrachysphaeridium speciosum
|
USSR(Yakut ASSR) |
Early Cambrian |
|
Protovavososphaeridium |
Protovavososphaeridium agaense
|
USSR(Yakut ASSR) |
Cambrian |
|
Protovavososphaeridium |
Protovavososphaeridium samsonovichii
|
USSR(Yakut ASSR) |
Early Cambrian |
|
Protovavososphaeridium |
Protovavososphaeridium vavosum
|
USSR(Yakut ASSR) |
Early Cambrian |
|
Protozonosphaeridium |
Protozonosphaeridium patelliforme
|
USSR(Yakut ASSR) |
Cambrian |
|
Stictosphaeridium |
Stictosphaeridium sinapticuliferum
|
USSR(Yakut ASSR) |
Cambrian |
|
Stictosphaeridium |
Stictosphaeridium sp
|
USSR(Yakut ASSR) |
Early Cambrian |
|
Stictosphaeridium |
Stictosphaeridium tortulosum
|
USSR(Yakut ASSR) |
Early Cambrian |
|
Symplassosphaeridium |
Symplassosphaeridium biglume
|
USSR(Yakut ASSR) |
Cambrian |
|
Symplassosphaeridium |
Symplassosphaeridium sp
|
USSR(Yakut ASSR) |
Early Cambrian |
|
Symplassosphaeridium |
Symplassosphaeridium subcoalitum
|
USSR(Yakut ASSR) |
Cambrian |
|
Symplassosphaeridium |
Symplassosphaeridium vesiculiferum
|
USSR(Yakut ASSR) |
Early Cambrian |
|