Leiosphaeridia |
Leiosphaeridia parvigranulosa
|
Canada(Alberta) |
Late Devonian |
|
Leiosphaeridia |
Leiosphaeridia pestovii
|
USSR(Baltic) |
Late Ordovician |
|
Leiosphaeridia |
Leiosphaeridia punctulosa
|
USSR(Baltic) |
Late Ordovician |
|
Leiosphaeridia |
Leiosphaeridia reticulata
|
Nd |
Nd |
|
Leiosphaeridia |
Leiosphaeridia retigera
|
Nd |
Nd |
|
Leiosphaeridia |
Leiosphaeridia similis
|
Nd |
Nd |
|
Leiosphaeridia |
Leiosphaeridia similis
|
Nd |
Nd |
|
Leiosphaeridia |
Leiosphaeridia sorediformis
|
USSR(Pre-Baltic) |
Early Paleozoic |
|
Leiosphaeridia |
Leiosphaeridia tenuissima
|
Nd |
Nd |
|
Leiosphaeridia |
Leiosphaeridia trivialis
|
USSR(Baltic) |
Late Ordovician |
|
Leiosphaeridia |
Leiosphaeridia tubulosa
|
Nd |
Nd |
|
Leiosphaeridia |
Leiosphaeridia voigtii
|
Nd |
Nd |
|
Leiosphaeridia |
Leiosphaeridia wenlockia
|
Nd |
Nd |
|
Leiosphaeridia |
Leiosphaeridia wimanii
|
Sweden |
Vendian |
|
Leiosphaeridium |
Leiosphaeridium
|
Nd |
Nd |
|
Leiosphaeridium |
Leiosphaeridium belloyense
|
Canada |
Middle Permian |
|
Leiosphaeridium |
Leiosphaeridium discum
|
USSR |
Late Silurian |
|