Subsacculifer |
Subsacculifer retroflexus
|
USSR(Siberia) |
Permian |
|
Subsacculifer |
Subsacculifer cinctus
sp. nov. |
USSR(Siberia) |
Permian |
|
Subsacculifer |
Subsacculifer caperatus
|
USSR(Siberia) |
Permian |
|
Plicatella |
Plicatella oblongata
sp. nov. |
USSR(Siberia) |
Permian |
|
Circella |
Circella rotata
|
USSR(Siberia) |
Permian |
|
Circella |
Circella stenolimbata
|
USSR(Siberia) |
Permian |
|
Circella |
Circella stitica
sp. nov. |
USSR(Siberia) |
Permian |
|
Spinosella |
Spinosella rectispina
|
USSR(Siberia) |
Permian |
|
Spinosella |
Spinosella obtusosetosa
|
USSR(Siberia) |
Permian |
|
Limbumella |
Limbumella rugulifera
|
USSR(Siberia) |
Permian |
|
Limbumella |
Limbumella convallata
|
USSR(Siberia) |
Permian |
|
Actinosella |
Actinosella polypirena
|
USSR(Siberia) |
Permian |
|
Rugostella |
Rugostella microrugosa
sp. nov. |
USSR(Siberia) |
Permian |
|
Pulvinella |
Pulvinella
|
USSR(Siberia) |
Permian |
|
Nigritella |
Nigritella
|
USSR(Siberia) |
Permian |
|
Turriella |
Turriella
|
USSR(Siberia) |
Permian |
|