Leiosphaeridia |
Leiosphaeridia flava
|
USSR(Belorussian SSR) |
Early Ordovician |
|
Lophosphaeridium |
Lophosphaeridium parverarum
|
USSR(Belorussian SSR) |
Early Ordovician |
|
Micrhystridium |
Micrhystridium acanthaceum
|
USSR(Belorussian SSR) |
Early Ordovician |
|
Micrhystridium |
Micrhystridium capillatum
|
USSR(Belorussian SSR) |
Early Ordovician |
|
Micrhystridium |
Micrhystridium keratoides
|
USSR(Belorussian SSR) |
Early Ordovician |
|
Peteinosphaeridium |
Peteinosphaeridium sp
|
USSR(Belorussian SSR) |
Early Ordovician |
|
Peteinosphaeridium |
Peteinosphaeridium dedosmuertos
|
USSR(Belorussian SSR) |
Early Ordovician |
|
Peteinosphaeridium |
Peteinosphaeridium microfurcatum
|
USSR(Belorussian SSR) |
Early Ordovician |
|
Peteinosphaeridium |
Peteinosphaeridium rjabinini
|
USSR(Belorussian SSR) |
Early Ordovician |
|
Trachysphaeridium |
Trachysphaeridium universalum
|
USSR(Belorussian SSR) |
Early Ordovician |
|
Veryhachium |
Veryhachium timofeevii
|
USSR(Belorussian SSR) |
Early Ordovician |
|
Leiosphaeridia |
Leiosphaeridia sphaerica
|
USSR(Belorussian SSR) |
Ordovician |
|
Veryhachium |
Veryhachium reductum
|
USSR(Belorussian SSR) |
Early Ordovician |
Middle Ordovician |
Baltisphaeridium |
Baltisphaeridium sp
|
USSR(Belorussian SSR) |
Middle Ordovician |
|
Baltisphaeridium |
Baltisphaeridium fillifera
|
USSR(Belorussian SSR) |
Middle Ordovician |
|
Baltisphaeridium |
Baltisphaeridium pachyacanthum
|
USSR(Belorussian SSR) |
Middle Ordovician |
|
Baltisphaeridium |
Baltisphaeridium trabeculaespinae
|
USSR(Belorussian SSR) |
Middle Ordovician |
|