Acanthotriletes |
Acanthotriletes accomodatus
|
USSR(Russian Platform) |
Middle Cambrian |
|
Acanthotriletes |
Acanthotriletes aciferus
|
USSR(Russian Platform) |
Middle Cambrian |
|
Acanthotriletes |
Acanthotriletes capillatus
|
USSR(Russian Platform) |
Late Cambrian |
|
Acanthotriletes |
Acanthotriletes capillatus
|
USSR(Russian Platform) |
Ordovician |
|
Acanthotriletes |
Acanthotriletes crassus
|
USSR(Russian Platform) |
Middle Cambrian |
|
Acanthotriletes |
Acanthotriletes incompletus
|
USSR(Russian Platform) |
Middle Cambrian |
|
Acanthotriletes |
Acanthotriletes incompletus
|
USSR(Russian Platform) |
Late Cambrian |
|
Acanthotriletes |
Acanthotriletes menneri
|
USSR(Russian Platform) |
Late Cambrian |
|
Acanthotriletes |
Acanthotriletes menneri
|
USSR(Russian Platform) |
Ordovician |
|
Acanthotriletes |
Acanthotriletes perspicuus
|
USSR(Russian Platform) |
Middle Cambrian |
|
Acanthotriletes |
Acanthotriletes poliferus
|
USSR(Russian Platform) |
Middle Cambrian |
|
Acanthotriletes |
Acanthotriletes proliferus
|
USSR(Russian Platform) |
Late Cambrian |
|
Acanthotriletes |
Acanthotriletes spinescens
|
USSR(Russian Platform) |
Ordovician |
|
Acanthotriletes |
Acanthotriletes strictus
|
USSR(Russian Platform) |
Ordovician |
|
Acanthotriletes |
Acanthotriletes tricornis
|
USSR(Russian Platform) |
Ordovician |
|
Acanthotriletes |
Acanthotriletes viticulosus
|
USSR(Russian Platform) |
Ordovician |
|
Archaealetes |
Archaealetes antiquus
|
USSR(Russian Platform) |
Early Cambrian |
|