Protoleiosphaeridium |
Protoleiosphaeridium nervatum
|
USSR(Pre-Baltic) |
Early Paleozoic |
|
Protoleiosphaeridium |
Protoleiosphaeridium sorediforme
|
USSR(Pre-Baltic) |
Early Paleozoic |
|
Trachyzonodiacrodium |
Trachyzonodiacrodium
|
USSR(Pre-Baltic) |
Late Cambrian |
|
Leiosphaera |
Leiosphaera eisenackii
|
USSR(Pre-Baltic) |
Early Ordovician |
Middle Ordovician |
Lophorytidodiacrodium |
Lophorytidodiacrodium intertextum
|
USSR(Pre-Baltic) |
Late Cambrian |
|
Leiosphaeridia |
Leiosphaeridia minuta
|
USSR(Russian Platform) |
Late Riphean |
|
Protoleiosphaeridium |
Protoleiosphaeridium minutum
|
USSR(Russian Platform) |
Late Riphean |
|
Leiosphaeridia |
Leiosphaeridia minuta
|
USSR(Russian Platform) |
Late Riphean |
|
Leiominuscula |
Leiominuscula minuta
|
USSR(Russian Platform) |
Late Riphean |
|
Baltisphaeridium |
Baltisphaeridium longofilum
|
W.Germany |
Middle Oligocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium longofilum
|
W.Germany |
Middle Oligocene |
|
Baltisphaeridium |
Baltisphaeridium differtum
|
W.Germany(Bavaria) |
Late Givetian |
|
Baltisphaeridium |
Baltisphaeridium longispinosoides
|
W.Germany(Bavaria) |
Middle Devonian |
|
Baltisphaeridium |
Baltisphaeridium integrum
|
W.Germany(Bavaria) |
Late Givetian |
|
Hystrichosphaeridium |
Hystrichosphaeridium differtum
|
W.Germany(Bavaria) |
Late Givetian |
|
Hystrichosphaeridium |
Hystrichosphaeridium integrum
|
W.Germany(Bavaria) |
Late Givetian |
|
Baltisphaeridium |
Baltisphaeridium coniferum
|
W.Germany(Bavaria) |
Late Givetian |
|