Hyrtellosphaeridium |
Hyrtellosphaeridium crassum
|
USSR(Pre-Urals) |
Ordovician |
|
Hyrtellosphaeridium |
Hyrtellosphaeridium crassum
|
USSR(Pre-Urals) |
Ordovician |
|
Hyrtellosphaeridium |
Hyrtellosphaeridium microsaetosum
|
USSR(Bashkir ASSR) |
Late Frasnian |
Early Carboniferous |
Hyrtellosphaeridium |
Hyrtellosphaeridium semnus
|
USSR(Bashkir ASSR) |
Late Frasnian |
Early Carboniferous |
Hyrtellosphaeridium |
Hyrtellosphaeridium sp
|
USSR(Bashkir ASSR) |
Ordovician |
|
Hyrtellosphaeridium |
Hyrtellosphaeridium triviale
|
USSR(Pre-Urals) |
Late Ordovician |
Early Eifelian |
Hyrtellosphaeridium |
Hyrtellosphaeridium triviale
|
USSR(Urals) |
Late Ordovician |
Early Eifelian |
Hystrichosphaeridium |
Hystrichosphaeridium semanticum
|
USSR(Bashkir ASSR) |
Silurian |
|
Latoporata |
Latoporata reticulata
|
USSR(Bashkir ASSR) |
Ordovician |
|
Latoporata |
Latoporata sp
|
USSR(Bashkir ASSR) |
Ordovician |
|
Leiopsophosphaera |
Leiopsophosphaera breviplicata
|
USSR(Bashkir ASSR) |
Late Frasnian |
Early Carboniferous |
Leiopsophosphaera |
Leiopsophosphaera fastigatirugosa
|
USSR(Bashkir ASSR) |
Late Frasnian |
Early Carboniferous |
Leiopsophosphaera |
Leiopsophosphaera minuta
|
USSR(Urals) |
Early Devonian |
|
Leiopsophosphaera |
Leiopsophosphaera minuta
|
USSR(Bashkir ASSR) |
Ordovician |
|
Leiopsophosphaera |
Leiopsophosphaera minuta
|
USSR(Bashkir ASSR) |
Silurian |
Early Devonian |
Leiopsophosphaera |
Leiopsophosphaera minuta
|
USSR(Bashkir ASSR) |
Early Devonian |
|
Leiopsophosphaera |
Leiopsophosphaera minuta
|
USSR(Bashkir ASSR) |
Late Frasnian |
Early Carboniferous |