Acanthorytidodiacrodium |
Acanthorytidodiacrodium prolongatum
|
USSR(Estonian SSR) |
Middle Cambrian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium cellulare
|
USSR(Latvian SSR) |
Middle Cambrian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium ianischewskyi
|
USSR(Latvian SSR) |
Middle Cambrian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium innominatum
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium pungens
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Baltisphaeridium |
Baltisphaeridium brevispinosum
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Baltisphaeridium |
Baltisphaeridium cognitum
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Baltisphaeridium |
Baltisphaeridium longispinosum
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Baltisphaeridium |
Baltisphaeridium scariosum
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Conochitina |
Conochitina
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Desmochitina |
Desmochitina
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Gloeocapsamorpha |
Gloeocapsamorpha prisca
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Hystrichosphaeridium |
Hystrichosphaeridium ramusculosum
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Hystrichosphaeridium |
Hystrichosphaeridium ramusculosum
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Hystrichosphaeridium |
Hystrichosphaeridium sp
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Hystrichosphaeridium |
Hystrichosphaeridium trifurcatum
|
USSR(Lithuanian SSR) |
Late Ordovician |
|
Kildinella |
Kildinella
|
USSR(Lithuanian SSR) |
Late Ordovician |
|