Archaeozonotriletes |
Archaeozonotriletes basilaris
|
USSR(Saratov) |
Early Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes extensus
|
USSR(Saratov) |
Late Givetian |
|
Archaeozonotriletes |
Archaeozonotriletes micromanifestus
|
USSR(Saratov) |
Late Givetian |
Early Frasnian |
Archaeozonotriletes |
Archaeozonotriletes rugosus
|
USSR(Saratov) |
Early Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes subextensus
|
USSR(Saratov) |
Late Givetian |
|
Archaeozonotriletes |
Archaeozonotriletes vorobjensis
|
USSR(Saratov) |
Late Givetian |
|
Camarozonotriletes |
Camarozonotriletes laevis
|
USSR(Saratov) |
Late Givetian |
|
Hymenozonotriletes |
Hymenozonotriletes polyacanthus
|
USSR(Saratov) |
Late Givetian |
|
Hymenozonotriletes |
Hymenozonotriletes spinutissimus
|
USSR(Saratov) |
Late Givetian |
|
Hymenozonotriletes |
Hymenozonotriletes tichomirovii
|
USSR(Saratov) |
Early Frasnian |
|
Trachytriletes |
Trachytriletes solidus
|
USSR(Saratov) |
Late Givetian |
|