Protoleiosphaeridium |
Protoleiosphaeridium perfoliatum
sp. nov. |
USSR(Russian Platform) |
Late Gothlandian |
|
Protoleiosphaeridium |
Protoleiosphaeridium prolixum
|
USSR(Russian Platform) |
Nd |
|
Protoleiosphaeridium |
Protoleiosphaeridium prolixum
sp. nov. |
USSR(Belorussian SSR) |
Early Cambrian |
|
Protoleiosphaeridium |
Protoleiosphaeridium sigillarum
sp. nov. |
USSR(Russian Platform) |
Nd |
|
Protoleiosphaeridium |
Protoleiosphaeridium sorediforme
|
USSR(Russian Platform) |
Nd |
|
Protoleiosphaeridium |
Protoleiosphaeridium sorediforme
|
USSR(Belorussian SSR) |
Early Cambrian |
|
Protoleiosphaeridium |
Protoleiosphaeridium sorediforme
|
Mongolian Republic |
Early Cambrian |
|
Protoleiosphaeridium |
Protoleiosphaeridium sorediforme
|
USSR(Leningrad) |
Middle Cambrian |
|
Protoleiosphaeridium |
Protoleiosphaeridium sorediforme
|
USSR(Russian Platform) |
Middle Ordovician |
|
Protoleiosphaeridium |
Protoleiosphaeridium sp
|
USSR(Russian Platform) |
Nd |
|
Protoleiosphaeridium |
Protoleiosphaeridium sp
|
USSR(Belorussian SSR) |
Early Cambrian |
|
Protopicea |
Protopicea cerina
|
USSR |
Rhaetian |
|
Protopicea |
Protopicea cerina
|
USSR(Kazakh SSR) |
Liassic |
|
Protopicea |
Protopicea cerina
|
USSR(Kazakh SSR) |
Middle Jurassic |
|
Protopicea |
Protopicea cerina
|
USSR |
Late Triassic |
Middle Jurassic |
Protopicea |
Protopicea cerina
|
USSR(Kazakh SSR) |
Late Triassic |
|
Protopicea |
Protopicea cerina
|
USSR(Kazakh SSR) |
Early Jurassic |
Middle Jurassic |