Sulcatosphaeridium |
Sulcatosphaeridium incrustatum
sp. nov. |
USSR(Russian Platform) |
Middle Cambrian |
|
Sulcatosphaeridium |
Sulcatosphaeridium minutum
sp. nov. |
USSR(Russian Platform) |
Early Cambrian |
|
Sulcatosphaeridium |
Sulcatosphaeridium ovale
|
USSR(Russian Platform) |
Early Cambrian |
|
Sulcatosphaeridium |
Sulcatosphaeridium sp
|
USSR(Russian Platform) |
Tremadocian |
|
Tasmanites |
Tasmanites bobrowskae
|
USSR(Russian Platform) |
Early Cambrian |
Middle Cambrian |
Tasmanites |
Tasmanites sp
|
USSR(Russian Platform) |
Early Cambrian |
Middle Cambrian |
Trachymarginata |
Trachymarginata delicata
|
USSR(Russian Platform) |
Cambrian |
Tremadocian |
Trachymarginata |
Trachymarginata parvium
|
USSR(Russian Platform) |
Cambrian |
Tremadocian |
Trachypsophosphaera |
Trachypsophosphaera absoleta
|
USSR(Russian Platform) |
Tremadocian |
|
Trachypsophosphaera |
Trachypsophosphaera asperata
|
USSR(Russian Platform) |
Cambrian |
Tremadocian |
Trachypsophosphaera |
Trachypsophosphaera hyalina
|
USSR(Russian Platform) |
Cambrian |
Tremadocian |
Trachypsophosphaera |
Trachypsophosphaera minuta
|
USSR(Russian Platform) |
Tremadocian |
|
Trachypsophosphaera |
Trachypsophosphaera minutissima
|
USSR(Russian Platform) |
Cambrian |
Tremadocian |
Trachypsophosphaera |
Trachypsophosphaera pellucida
|
USSR(Russian Platform) |
Early Cambrian |
|
Trachypsophosphaera |
Trachypsophosphaera universala
|
USSR(Russian Platform) |
Cambrian |
Tremadocian |
Trachyrytidodiacrodium |
Trachyrytidodiacrodium involutum
|
USSR(Russian Platform) |
Tremadocian |
|
Trematosphaeridium |
Trematosphaeridium sp
|
USSR(Russian Platform) |
Early Cambrian |
Middle Cambrian |