Plectochitina |
Plectochitina saharica
|
Libya |
Late Aeronian |
Early Telychian |
Pseudoclathrochitina |
Pseudoclathrochitina carmenchui
|
Tunisia |
Pridolian |
|
Pseudoclathrochitina |
Pseudoclathrochitina carmenchui
|
Algeria |
Pridolian |
|
Pseudoclathrochitina |
Pseudoclathrochitina carmenchui
|
Libya |
Pridolian |
|
Pseudoclathrochitina |
Pseudoclathrochitina carmenchui
|
Spain |
Pridolian |
|
Pseudoclathrochitina |
Pseudoclathrochitina carmenchui
|
New Guinea |
Pridolian |
|
Pseudoclathrochitina |
Pseudoclathrochitina carmenchui
|
USSR(Ukrainian SSR) |
Pridolian |
|
Pseudoclathrochitina |
Pseudoclathrochitina carmenchui
|
France |
Pridolian |
|
Pterochitina |
Pterochitina deichai
|
USSR(Estonian SSR) |
Silurian |
Aeronian |
Pterochitina |
Pterochitina deichai
|
Saudi Arabia |
Silurian |
|
Pterochitina |
Pterochitina deichai
|
USSR(Latvian SSR) |
Silurian |
Aeronian |
Pterochitina |
Pterochitina deichai
|
Canada(Quebec) |
Silurian |
|
Pterochitina |
Pterochitina deichai
|
Algeria |
Silurian |
|
Pterochitina |
Pterochitina deichai
|
Belgium |
Silurian |
|
Pterochitina |
Pterochitina deichai
|
Libya |
Silurian |
|
Pterochitina |
Pterochitina deichai
|
Libya |
Silurian |
|
Pterochitina |
Pterochitina deichai
|
Ohio |
Silurian |
|