Walchia |
Walchia sp
|
USSR(Komi ASSR) |
Late Triassic |
|
Zonaletes |
Zonaletes sp
|
USSR(Komi ASSR) |
Early Triassic |
|
Zonomonoletes |
Zonomonoletes sp
|
USSR(Komi ASSR) |
Early Triassic |
|
Zonomonoletes |
Zonomonoletes spinosellus
|
USSR(Komi ASSR) |
Early Triassic |
|
Zonomonoletes |
Zonomonoletes spinosus
|
USSR(Komi ASSR) |
Early Triassic |
|
Zonomonoletes |
Zonomonoletes spinosus
|
USSR(Komi ASSR) |
Early Triassic |
Middle Triassic |
Zonomonoletes |
Zonomonoletes tschalyschevii
|
USSR(Komi ASSR) |
Early Triassic |
Late Triassic |
Zonotriletes |
Zonotriletes laevigatiformis
|
USSR(Komi ASSR) |
Early Triassic |
|
Zonotriletes |
Zonotriletes nigropunctatus
|
USSR(Komi ASSR) |
Early Triassic |
|
Zonotriletes |
Zonotriletes sp
|
USSR(Komi ASSR) |
Early Triassic |
Middle Triassic |