Protoleiosphaeridium |
Protoleiosphaeridium faveolatum
|
USSR(Murmansk) |
Riphean |
|
Protoleiosphaeridium |
Protoleiosphaeridium faveolatum
|
USSR(WSL) |
Riphean |
|
Protoleiosphaeridium |
Protoleiosphaeridium faveolatum
|
USSR(Yakut ASSR) |
Riphean |
|
Protoleiosphaeridium |
Protoleiosphaeridium faveolatum
|
USSR(Buryat ASSR) |
Riphean |
|
Protoleiosphaeridium |
Protoleiosphaeridium faveolatum
|
USSR(Ukrainian SSR) |
Proterozoic |
|
Protoleiosphaeridium |
Protoleiosphaeridium faveolatum
|
USSR(Irkutskaya Oblast) |
Proterozoic |
|
Protosphaeridium |
Protosphaeridium ace
|
USSR(WSL) |
Late Proterozoic |
|
Protosphaeridium |
Protosphaeridium ace
|
USSR(Ukrainian SSR) |
Proterozoic |
|
Protosphaeridium |
Protosphaeridium ace
|
USSR |
Late Proterozoic |
|
Protosphaeridium |
Protosphaeridium asaphum
|
USSR(Urals) |
Late Proterozoic |
|
Protosphaeridium |
Protosphaeridium crispum
|
USSR(WSL) |
Late Proterozoic |
|
Protosphaeridium |
Protosphaeridium densum
|
USSR(Murmansk) |
Late Proterozoic |
|
Protosphaeridium |
Protosphaeridium densum
|
USSR(WSL) |
Late Proterozoic |
|
Protosphaeridium |
Protosphaeridium densum
|
USSR(Yakut ASSR) |
Late Proterozoic |
|
Protosphaeridium |
Protosphaeridium densum
|
USSR(Irkutskaya Oblast) |
Proterozoic |
|
Protosphaeridium |
Protosphaeridium densum
|
USSR(Ukrainian SSR) |
Proterozoic |
|
Protosphaeridium |
Protosphaeridium densum
|
USSR(Buryat ASSR) |
Late Proterozoic |
|