Acanthotriletes |
Acanthotriletes
|
USSR(Baltic) |
Early Cambrian |
|
Archaeodiscina |
Archaeodiscina
|
USSR |
Precambriam |
|
Archaeodiscina |
Archaeodiscina
|
USSR(Baltic) |
Early Cambrian |
|
Archaeosacculina |
Archaeosacculina
|
USSR |
Precambriam |
|
Emphanisporites |
Emphanisporites
|
USSR |
Silurian |
|
Leioligotriletum |
Leioligotriletum minutissimus
|
USSR(Baltic) |
Tremadocian |
|
Leioligotriletum |
Leioligotriletum ochroleucus
|
USSR |
Ordovician |
|
Leiominuscula |
Leiominuscula
|
USSR |
Precambriam |
|
Leiotriletes |
Leiotriletes
|
USSR(Baltic) |
Early Cambrian |
|
Leiotriletes |
Leiotriletes minutissimus
|
USSR(Baltic) |
Tremadocian |
|
Lophominuscula |
Lophominuscula
|
USSR |
Precambriam |
|
Lophominuscula |
Lophominuscula rugosa
|
USSR |
Torridonian |
|
Lophotriletes |
Lophotriletes
|
USSR(Baltic) |
Early Cambrian |
|
Margominuscula |
Margominuscula
|
USSR |
Precambriam |
|
Margominuscula |
Margominuscula crassa
|
USSR |
Torridonian |
|
Margominuscula |
Margominuscula prisca
|
USSR |
Torridonian |
|
Minutissima |
Minutissima
|
USSR |
Precambriam |
|