Tasmanites |
Tasmanites sp
|
USSR(Latvian SSR) |
Ordovician |
|
Protosphaeridium |
Protosphaeridium densum
|
USSR(Latvian SSR) |
Ordovician |
|
Leiominuscula |
Leiominuscula minuta
|
USSR(Latvian SSR) |
Ordovician |
|
Leiominuscula |
Leiominuscula rugosa
|
USSR(Latvian SSR) |
Ordovician |
|
Zonooidium |
Zonooidium strobiliforme
|
USSR(Latvian SSR) |
Ordovician |
|
Trematosphaeridium |
Trematosphaeridium sp
|
USSR(Latvian SSR) |
Ordovician |
|
Lophosphaeridium |
Lophosphaeridium
|
USSR(Lithuanian SSR) |
Cambrian |
|
Baltisphaeridium |
Baltisphaeridium compressum
|
USSR(Lithuanian SSR) |
Cambrian |
|
Baltisphaeridium |
Baltisphaeridium orbiculare
|
USSR(Lithuanian SSR) |
Cambrian |
|
Leiomarginata |
Leiomarginata simplex
|
USSR(Lithuanian SSR) |
Cambrian |
|
Leiominuscula |
Leiominuscula minuta
|
USSR(Lithuanian SSR) |
Cambrian |
|
Leiominuscula |
Leiominuscula rugosa
|
USSR(Lithuanian SSR) |
Cambrian |
|
Protosphaeridium |
Protosphaeridium laccatum
|
USSR(Lithuanian SSR) |
Cambrian |
|
Baltisphaeridium |
Baltisphaeridium
|
USSR(Lithuanian SSR) |
Cambrian |
|
Veryhachium |
Veryhachium
|
USSR(Lithuanian SSR) |
Cambrian |
|
Leiofusa |
Leiofusa
|
USSR(Lithuanian SSR) |
Cambrian |
|
Protosphaeridium |
Protosphaeridium flexuosum
|
USSR(Lithuanian SSR) |
Middle Cambrian |
Late Cambrian |