Protoleiosphaeridium |
Protoleiosphaeridium planum
|
USSR(Russian Platform) |
Early Paleozoic |
|
Protoleiosphaeridium |
Protoleiosphaeridium tenerum
|
USSR(Russian Platform) |
Early Paleozoic |
|
Protoleiosphaeridium |
Protoleiosphaeridium sorediforme
|
USSR(Russian Platform) |
Early Paleozoic |
|
Protoleiosphaeridium |
Protoleiosphaeridium debilum
|
USSR(Russian Platform) |
Early Paleozoic |
|
Leioligotriletum |
Leioligotriletum minutissimus
|
USSR(Russian Platform) |
Early Paleozoic |
|
Trachyoligotriletes |
Trachyoligotriletes minutus
|
USSR(Russian Platform) |
Early Paleozoic |
|
Zonosphaeridium |
Zonosphaeridium disterminum
|
USSR(Russian Platform) |
Early Paleozoic |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium proliferum
|
USSR(Russian Platform) |
Early Paleozoic |
|
Laminarites |
Laminarites poratum
|
USSR(Russian Platform) |
Early Paleozoic |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium operculatum
|
USSR(Russian Platform) |
Middle Cambrian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium angulosum
|
USSR(Russian Platform) |
Middle Cambrian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium resistens
|
USSR(Russian Platform) |
Middle Cambrian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium laxum
|
USSR(Russian Platform) |
Middle Cambrian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium striatum
|
USSR(Russian Platform) |
Middle Cambrian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium arenigum
|
USSR(Russian Platform) |
Middle Cambrian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium tribulosum
|
USSR(Russian Platform) |
Middle Cambrian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium porrectum
|
USSR(Russian Platform) |
Middle Cambrian |
|