Acanthotriletes |
Acanthotriletes bucerus
|
USSR(Stalingrad) |
Early Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes basilaris
|
USSR(Stalingrad) |
Early Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes rugosus
|
USSR(Stalingrad) |
Early Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes micromanifestus
|
USSR(Stalingrad) |
Early Frasnian |
|
Hymenozonotriletes |
Hymenozonotriletes krestovnikovi
|
USSR(Stalingrad) |
Early Frasnian |
|
Hymenozonotriletes |
Hymenozonotriletes monoloris
|
USSR(Stalingrad) |
Early Frasnian |
|
Retusotriletes |
Retusotriletes pychovii
|
USSR(Stalingrad) |
Early Frasnian |
|
Retusotriletes |
Retusotriletes parvimammatus
|
USSR(Stalingrad) |
Early Frasnian |
|
Stenozonotriletes |
Stenozonotriletes definitus
|
USSR(Stalingrad) |
Early Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes variabilis
|
USSR(Stalingrad) |
Early Frasnian |
|
Lophotriletes |
Lophotriletes semilucensis
|
USSR(Stalingrad) |
Early Frasnian |
Middle Frasnian |
Archaeozonotriletes |
Archaeozonotriletes semilucensis
|
USSR(Stalingrad) |
Early Frasnian |
Middle Frasnian |
Camarozonotriletes |
Camarozonotriletes devonicus
|
USSR(Stalingrad) |
Early Frasnian |
Middle Frasnian |
Hymenozonotriletes |
Hymenozonotriletes laciniosus
|
USSR(Stalingrad) |
Early Frasnian |
Middle Frasnian |
Hymenozonotriletes |
Hymenozonotriletes donensis
|
USSR(Stalingrad) |
Early Frasnian |
Middle Frasnian |
Archaeozonotriletes |
Archaeozonotriletes timanicus
|
USSR(Stalingrad) |
Middle Frasnian |
|
Lophozonotriletes |
Lophozonotriletes curvatus
|
USSR(Stalingrad) |
Middle Frasnian |
|