Acanthotriletes |
Acanthotriletes
|
Nd |
Nd |
|
Acanthotriletes |
Acanthotriletes echinatus
|
USSR |
Jurassic |
Early Cretaceous |
Acanthotriletes |
Acanthotriletes parvispinosus
|
USSR |
Jurassic |
Early Cretaceous |
Acanthotriletes |
Acanthotriletes spectabilis
|
USSR |
Jurassic |
Early Cretaceous |
Acanthotriletes |
Acanthotriletes spinosus
|
USSR(Urals) |
Late Triassic |
|
Aletes |
Aletes
|
Nd |
Nd |
|
Anisozonotriletes |
Anisozonotriletes
|
Nd |
Nd |
|
Aporina |
Aporina
|
Nd |
Nd |
|
Azonaletes |
Azonaletes caperatus
|
USSR(Siberia) |
Permian |
|
Azonaletes |
Azonaletes facetus
|
USSR |
Middle Carboniferous |
Late Carboniferous |
Azonaletes |
Azonaletes facetus
|
W.Germany(N.Rhine) |
Middle Carboniferous |
Late Carboniferous |
Azonaletes |
Azonaletes retroflexus
|
USSR(Siberia) |
Permian |
|
Azonomonoletes |
Azonomonoletes
|
USSR(Ukrainian SSR) |
Westphalian |
|
Azonomonoletes |
Azonomonoletes leguminiformis
|
USSR |
Late Cretaceous |
Tertiary |
Azonomonoletes |
Azonomonoletes vulgaris
|
USSR |
Permian |
|
Azonomonoletes |
Azonomonoletes vulgaris
|
USSR |
Middle Carboniferous |
Late Carboniferous |
Azonomonoletes |
Azonomonoletes vulgaris
|
W.Germany(N.Rhine) |
Middle Carboniferous |
Late Carboniferous |