Dictyotidium |
Dictyotidium eniseicum
|
USSR(WSL) |
Riphean |
|
Dictyotidium |
Dictyotidium vittaforme
|
USSR(WSL) |
Riphean |
|
Kildinella |
Kildinella miroedichia
|
USSR(WSL) |
Riphean |
|
Kildinella |
Kildinella rifeica
|
USSR(WSL) |
Riphean |
|
Leiosphaeridia |
Leiosphaeridia miroedichia
|
USSR(WSL) |
Riphean |
|
Leiosphaeridia |
Leiosphaeridia rifeica
|
USSR(WSL) |
Riphean |
|
Chomotriletes |
Chomotriletes auristriatus
|
USSR(Yakut ASSR) |
Early Cretaceous |
|
Dictyosphaeridium |
Dictyosphaeridium tungusum
|
USSR(Yakut ASSR) |
Riphean |
|
Dictyotidium |
Dictyotidium tungusum
|
USSR(Yakut ASSR) |
Riphean |
|
Archaeodiscina |
Archaeodiscina parvibody
|
USSR(Yaroslav) |
Ordovician |
|
Leiomarginata |
Leiomarginata simplex
|
USSR(Yaroslav) |
Cambrian |
Ordovician |
Leiosphaeridia |
Leiosphaeridia dieziae
|
USSR(Yaroslav) |
Cambrian |
Ordovician |
Trachypsophosphaera |
Trachypsophosphaera rugellosa
|
USSR(Yaroslav) |
Ordovician |
|
Spiniferites |
Spiniferites twistringiensis
|
W.Germany |
Middle Miocene |
|
Galea |
Galea twistringiensis
|
W.Germany |
Middle Miocene |
|
Concentricystes |
Concentricystes circulus
|
W.Germany(Baden) |
Pliocene |
|
Baltisphaeridium |
Baltisphaeridium brevispinosum
|
W.Germany(Bavaria) |
Late Givetian |
|