Algae |
Algae sp
|
USSR(Estonian SSR) |
Silurian |
|
Ancyrochitina |
Ancyrochitina ancyrea
|
USSR(Estonian SSR) |
Silurian |
|
Ancyrochitina |
Ancyrochitina brevispinosa
|
USSR(Estonian SSR) |
Silurian |
|
Ancyrochitina |
Ancyrochitina primitiva
|
USSR(Estonian SSR) |
Silurian |
|
Conochitina |
Conochitina lagenomorpha
|
USSR(Estonian SSR) |
Silurian |
|
Conochitina |
Conochitina latifrons
|
USSR(Estonian SSR) |
Silurian |
|
Conochitina |
Conochitina proboscifera
|
USSR(Estonian SSR) |
Silurian |
|
Estiastra |
Estiastra magna
|
USSR(Estonian SSR) |
Silurian |
|
Goniosphaeridium |
Goniosphaeridium makrosphaericum
sp. nov. |
USSR(Estonian SSR) |
Silurian |
|
Goniosphaeridium |
Goniosphaeridium polygonale
|
USSR(Estonian SSR) |
Silurian |
|
Leiosphaeridia |
Leiosphaeridia microcystis
|
USSR(Estonian SSR) |
Silurian |
|
Pulvinosphaeridium |
Pulvinosphaeridium pulvinellum
|
USSR(Estonian SSR) |
Silurian |
|
Sphaerochitina |
Sphaerochitina sphaerocephala
|
USSR(Estonian SSR) |
Silurian |
|
Tasmanites |
Tasmanites medius
|
USSR(Estonian SSR) |
Silurian |
|