Acanthotriletes |
Acanthotriletes acerosus
|
USSR |
Late Devonian |
|
Acanthotriletes |
Acanthotriletes incertus
|
USSR |
Early Devonian |
|
Acanthotriletes |
Acanthotriletes incompletus
|
USSR |
Late Devonian |
|
Acanthotriletes |
Acanthotriletes perpusillus
|
USSR |
Early Devonian |
|
Acanthotriletes |
Acanthotriletes serratus
|
USSR |
Middle Devonian |
|
Archaeoperisaccus |
Archaeoperisaccus completus
|
USSR |
Late Devonian |
|
Archaeoperisaccus |
Archaeoperisaccus elongatus
|
USSR |
Late Devonian |
|
Archaeoperisaccus |
Archaeoperisaccus menneri
|
USSR |
Late Devonian |
|
Archaeoperisaccus |
Archaeoperisaccus mirandus
|
USSR |
Late Devonian |
|
Archaeozonotriletes |
Archaeozonotriletes dedaleus
|
USSR |
Late Devonian |
|
Archaeozonotriletes |
Archaeozonotriletes extensus
|
USSR |
Middle Devonian |
|
Archaeozonotriletes |
Archaeozonotriletes meonacanthus
|
USSR |
Middle Devonian |
|
Archaeozonotriletes |
Archaeozonotriletes pustulatus
|
USSR |
Middle Devonian |
|
Archaeozonotriletes |
Archaeozonotriletes singularis
|
USSR |
Middle Devonian |
|
Archaeozonotriletes |
Archaeozonotriletes vulgatus
|
USSR |
Middle Devonian |
|
Azonomonoletes |
Azonomonoletes
|
USSR(European) |
Tournaisian |
Namurian |
Azonomonoletes |
Azonomonoletes
|
USSR(Pre-Urals) |
Westphalian |
|