Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium innominatum
|
USSR(Altai Kray) |
Ordovician |
|
Hystrichosphaeridium |
Hystrichosphaeridium polyradiatum
|
USSR(Altai Kray) |
Ordovician |
|
Hystrichosphaeridium |
Hystrichosphaeridium vitile
|
USSR(Altai Kray) |
Ordovician |
|
Leiotriletes |
Leiotriletes atratus
|
USSR(Altai Kray) |
Ordovician |
|
Acanthotriletes |
Acanthotriletes perpusillus
|
USSR(Altai Kray) |
Ordovician |
|
Retusotriletes |
Retusotriletes medius
|
USSR(Altai Kray) |
Ordovician |
|
Stenozonaletes |
Stenozonaletes pliciformis
|
USSR(Altai Kray) |
Ordovician |
|
Leiotriletes |
Leiotriletes devonicus
|
USSR(Altai Kray) |
Late Eifelian |
|
Acanthotriletes |
Acanthotriletes mutabilis
|
USSR(Altai Kray) |
Late Eifelian |
|
Lophotriletes |
Lophotriletes takatinicus
|
USSR(Altai Kray) |
Late Eifelian |
|
Retusotriletes |
Retusotriletes maturus
|
USSR(Altai Kray) |
Late Eifelian |
|
Retusotriletes |
Retusotriletes devonicus
|
USSR(Altai Kray) |
Late Eifelian |
|
Retusotriletes |
Retusotriletes sp
|
USSR(Altai Kray) |
Eifelian |
|
Hymenozonotriletes |
Hymenozonotriletes sp
|
USSR(Altai Kray) |
Eifelian |
|
Leiotriletes |
Leiotriletes sp
|
USSR(Altai Kray) |
Eifelian |
|
Leiotriletes |
Leiotriletes minutissimus
|
USSR(Altai Kray) |
Eifelian |
|
Leiotriletes |
Leiotriletes trivialis
|
USSR(Altai Kray) |
Eifelian |
|