Leiosphaeridia |
Leiosphaeridia baltica
|
USSR(Yaroslav) |
Middle Ordovician |
Late Ordovician |
Tasmanites |
Tasmanites verrucosus
|
USSR(Yaroslav) |
Middle Ordovician |
Late Ordovician |
Tasmanites |
Tasmanites sp
|
USSR(Yaroslav) |
Middle Ordovician |
Late Ordovician |
Filisphaeridium |
Filisphaeridium sp
|
USSR(Yaroslav) |
Middle Ordovician |
Late Ordovician |
Micrhystridium |
Micrhystridium eatonense
|
USSR(Yaroslav) |
Middle Ordovician |
Early Gothlandian |
Trachytriletes |
Trachytriletes minor
|
USSR(Yaroslav) |
Middle Ordovician |
Late Ordovician |
Leiosphaeridia |
Leiosphaeridia microcystis
|
USSR(Yaroslav) |
Middle Ordovician |
Early Gothlandian |
Polyedryxium |
Polyedryxium
|
USSR(Yaroslav) |
Middle Ordovician |
Early Gothlandian |
Cymatiosphaera |
Cymatiosphaera
|
USSR(Yaroslav) |
Middle Ordovician |
Early Gothlandian |
Dictyotidium |
Dictyotidium
|
USSR(Yaroslav) |
Middle Ordovician |
Early Gothlandian |
Domasia |
Domasia bispinosa
|
USSR(Yaroslav) |
Late Ordovician |
Early Gothlandian |
Estiastra |
Estiastra magna
|
USSR(Yaroslav) |
Late Ordovician |
Early Gothlandian |
Estiastra |
Estiastra barbata
|
USSR(Yaroslav) |
Late Ordovician |
Early Gothlandian |
Pulvinosphaeridium |
Pulvinosphaeridium pulvinellum
|
USSR(Yaroslav) |
Late Ordovician |
Early Gothlandian |
Synsphaeridium |
Synsphaeridium gotlandicum
|
USSR(Yaroslav) |
Late Ordovician |
Early Gothlandian |
Leiofusa |
Leiofusa tumida
|
USSR(Yaroslav) |
Late Ordovician |
Early Gothlandian |
Angochitina |
Angochitina scozzai
|
USSR(Yaroslav) |
Late Ordovician |
Early Gothlandian |