Acanthoceras |
Acanthoceras acerosus
|
USSR |
Frasnian |
|
Acanthoceras |
Acanthoceras erinaceus
|
USSR |
Frasnian |
|
Acanthotriletes |
Acanthotriletes incompletus
|
USSR |
Frasnian |
|
Archaeoperisaccus |
Archaeoperisaccus
|
USSR |
Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes basilaris
|
USSR |
Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes compactus
|
USSR |
Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes nalivkinii
|
USSR |
Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes rugosus
|
USSR |
Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes sp
|
USSR |
Frasnian |
Famennian |
Archaeozonotriletes |
Archaeozonotriletes variabilis
|
USSR |
Frasnian |
|
Camarozonotriletes |
Camarozonotriletes obtusus
|
USSR |
Frasnian |
|
Convolutispora |
Convolutispora
|
USSR(Russian Platform) |
Famennian |
|
Hymenozonotriletes |
Hymenozonotriletes bellus
|
USSR |
Frasnian |
|
Hymenozonotriletes |
Hymenozonotriletes denticulatus
|
USSR(Russian Platform) |
Famennian |
|
Hymenozonotriletes |
Hymenozonotriletes domanicus
|
USSR |
Frasnian |
|
Hymenozonotriletes |
Hymenozonotriletes donensis
|
USSR |
Frasnian |
|
Hymenozonotriletes |
Hymenozonotriletes lepidophytus
|
USSR(Russian Platform) |
Famennian |
|