Protosphaeridium |
Protosphaeridium torulosum
sp. nov. |
USSR(Komi ASSR) |
Early Cambrian |
|
Protosphaeridium |
Protosphaeridium torulosum
sp. nov. |
USSR(Irkutskaya Oblast) |
Early Cambrian |
|
Protosphaeridium |
Protosphaeridium torulosum
sp. nov. |
USSR(Irkutskaya Oblast) |
Late Cambrian |
|
Protosphaeridium |
Protosphaeridium torulosum
sp. nov. |
USSR(Siberia) |
Early Cambrian |
|
Protosphaeridium |
Protosphaeridium torulosum
sp. nov. |
USSR(Karelian ASSR) |
Early Cambrian |
|
Protosphaeridium |
Protosphaeridium torulosum
sp. nov. |
USSR(Leningrad) |
Early Cambrian |
|
Protosphaeridium |
Protosphaeridium torulosum
sp. nov. |
USSR(Moscow) |
Early Cambrian |
|
Protosphaeridium |
Protosphaeridium tuberculiferum
sp. nov. |
Poland |
Middle Cambrian |
|
Protosphaeridium |
Protosphaeridium tuberculiferum
sp. nov. |
Czechoslovakia |
Early Cambrian |
|
Protosphaeridium |
Protosphaeridium tuberculiferum
sp. nov. |
Spitsbergen |
Middle Cambrian |
|
Protosphaeridium |
Protosphaeridium tuberculiferum
sp. nov. |
USSR |
Early Cambrian |
|
Protosphaeridium |
Protosphaeridium tuberculiferum
sp. nov. |
USSR(Ukrainian SSR) |
Middle Cambrian |
|
Protosphaeridium |
Protosphaeridium tuberculiferum
sp. nov. |
USSR(Moldavian SSR) |
Middle Cambrian |
|
Protosphaeridium |
Protosphaeridium tuberculiferum
sp. nov. |
USSR(Krasnoyarsk Kray) |
Middle Ordovician |
|
Protosphaeridium |
Protosphaeridium tuberculiferum
sp. nov. |
USSR(Irkutskaya Oblast) |
Middle Cambrian |
|
Protosphaeridium |
Protosphaeridium tuberculiferum
sp. nov. |
USSR(Yablonov Khrebet) |
Middle Cambrian |
|
Protosphaeridium |
Protosphaeridium tuberculiferum
sp. nov. |
USSR(Siberia) |
Middle Cambrian |
|