Acanthotriletes |
Acanthotriletes obtusosaetosus
|
USSR(Yakut ASSR) |
Middle Carboniferous |
Late Carboniferous |
Acanthotriletes |
Acanthotriletes parvispinus
|
USSR(Yakut ASSR) |
Middle Carboniferous |
Late Carboniferous |
Acanthotriletes |
Acanthotriletes tenuispinosus
|
USSR(Yakut ASSR) |
Middle Carboniferous |
Late Carboniferous |
Azonoletes |
Azonoletes similis
|
USSR(Yakut ASSR) |
Middle Carboniferous |
Late Carboniferous |
Circella |
Circella rotata
|
USSR(Yakut ASSR) |
Middle Carboniferous |
Late Carboniferous |
Circella |
Circella rotata
|
USSR(Yakut ASSR) |
Middle Carboniferous |
Late Carboniferous |
Circella |
Circella rotata
|
USSR(Yakut ASSR) |
Middle Carboniferous |
Late Carboniferous |
Circella |
Circella stenolimbata
|
USSR(Yakut ASSR) |
Middle Carboniferous |
Late Carboniferous |
Hymenozonotriletes |
Hymenozonotriletes psilopterus
|
USSR(Yakut ASSR) |
Middle Carboniferous |
Late Carboniferous |
Leiotriletes |
Leiotriletes glaber
|
USSR(Yakut ASSR) |
Middle Carboniferous |
Late Carboniferous |
Leiotriletes |
Leiotriletes nigritellus
|
USSR(Yakut ASSR) |
Middle Carboniferous |
Late Carboniferous |
Leiotriletes |
Leiotriletes pyramidalis
|
USSR(Yakut ASSR) |
Middle Carboniferous |
Late Carboniferous |
Libumella |
Libumella rugulifera
|
USSR(Yakut ASSR) |
Middle Carboniferous |
Late Carboniferous |
Lophotriletes |
Lophotriletes gibbosus
|
USSR(Yakut ASSR) |
Middle Carboniferous |
Late Carboniferous |
Lophotriletes |
Lophotriletes microgranifer
|
USSR(Yakut ASSR) |
Middle Carboniferous |
Late Carboniferous |
Lophotriletes |
Lophotriletes tuberculatus
|
USSR(Yakut ASSR) |
Middle Carboniferous |
Late Carboniferous |
Subsacculifer |
Subsacculifer glaber
|
USSR(Yakut ASSR) |
Middle Carboniferous |
Late Carboniferous |