Protopteridium |
Protopteridium rossicum
|
USSR(Nenets Nat.Okrug) |
Givetian |
|
Schuguria |
Schuguria ornata
|
USSR(Nenets Nat.Okrug) |
Givetian |
|
Stenozonotriletes |
Stenozonotriletes definitus
|
USSR(Nenets Nat.Okrug) |
Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes nalivkinii
|
USSR(Nenets Nat.Okrug) |
Early Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes semilucensis
|
USSR(Nenets Nat.Okrug) |
Early Frasnian |
|
Hymenozonotriletes |
Hymenozonotriletes laciniosus
|
USSR(Nenets Nat.Okrug) |
Early Frasnian |
|
Perisaccus |
Perisaccus medvedevae
|
USSR(Nenets Nat.Okrug) |
Early Frasnian |
|
Perisaccus |
Perisaccus verruculatus
|
USSR(Nenets Nat.Okrug) |
Early Frasnian |
|
Perisaccus |
Perisaccus cordaites
|
USSR(Nenets Nat.Okrug) |
Early Frasnian |
|
Psophosphaera |
Psophosphaera domanica
|
USSR(Nenets Nat.Okrug) |
Early Frasnian |
|
Psophosphaera |
Psophosphaera lucida
|
USSR(Nenets Nat.Okrug) |
Early Frasnian |
|
Retusotriletes |
Retusotriletes domanicus
|
USSR(Nenets Nat.Okrug) |
Early Frasnian |
|
Trachytriletes |
Trachytriletes solidus
|
USSR(Nenets Nat.Okrug) |
Early Frasnian |
|
Archaeotriletes |
Archaeotriletes fidus
|
USSR(Nenets Nat.Okrug) |
Late Frasnian |
|
Archaeoperisaccus |
Archaeoperisaccus menneri
|
USSR(Nenets Nat.Okrug) |
Late Frasnian |
|
Archaeoperisaccus |
Archaeoperisaccus concinnus
|
USSR(Nenets Nat.Okrug) |
Late Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes echinatus
|
USSR(Nenets Nat.Okrug) |
Late Frasnian |
|