Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium cellulare
|
USSR(Latvian SSR) |
Middle Cambrian |
|
Baltisphaeridium |
Baltisphaeridium longispinosum
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Dasydiacrodium |
Dasydiacrodium sp
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Gloeocapsamorpha |
Gloeocapsamorpha prisca
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Hystrichosphaeridae |
Hystrichosphaeridae
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Kildinella |
Kildinella sp
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Leiofusa |
Leiofusa sp
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Leiofusidae |
Leiofusidae
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Leiosphaeridia |
Leiosphaeridia
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Leiosphaeridia |
Leiosphaeridia eisenackii
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Orygmatosphaeridium |
Orygmatosphaeridium sp
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Protosphaeridium |
Protosphaeridium
|
USSR(Kalinin) |
Late Ordovician |
|
Protosphaeridium |
Protosphaeridium
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Protosphaeridium |
Protosphaeridium
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Protosphaeridium |
Protosphaeridium densum
|
USSR(Latvian SSR) |
Middle Cambrian |
|
Protosphaeridium |
Protosphaeridium densum
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Protosphaeridium |
Protosphaeridium patelliforme
|
USSR(Lithuanian SSR) |
Late Ordovician |
|