Sphaerochitina |
Sphaerochitina lycoperdoides
|
Libya |
Late Homerian |
|
Sphaerochitina |
Sphaerochitina lycoperdoides
|
Portugal |
Late Homerian |
|
Spinachitina |
Spinachitina fragilis
|
USSR(Estonian SSR) |
Early Rhuddanian |
|
Spinachitina |
Spinachitina fragilis
|
Saudi Arabia |
Early Rhuddanian |
|
Spinachitina |
Spinachitina fragilis
|
Tunisia |
Early Rhuddanian |
|
Spinachitina |
Spinachitina fragilis
|
Czechoslovakia(Bohemia) |
Early Rhuddanian |
|
Spinachitina |
Spinachitina fragilis
|
USSR(Latvian SSR) |
Early Rhuddanian |
|
Spinachitina |
Spinachitina fragilis
|
Canada(Quebec) |
Early Rhuddanian |
|
Spinachitina |
Spinachitina maennili
|
USSR(Estonian SSR) |
Late Rhuddanian |
Aeronian |
Spinachitina |
Spinachitina maennili
|
Saudi Arabia |
Late Rhuddanian |
Aeronian |
Spinachitina |
Spinachitina maennili
|
USSR(Latvian SSR) |
Late Rhuddanian |
Aeronian |
Spinachitina |
Spinachitina maennili
|
Canada(Quebec) |
Aeronian |
|
Spinachitina |
Spinachitina maennili
|
Algeria |
Aeronian |
|
Spinachitina |
Spinachitina maennili
|
Belgium |
Late Rhuddanian |
|
Spinachitina |
Spinachitina maennili
|
Libya |
Late Rhuddanian |
|
Spinachitina |
Spinachitina maennili
|
Libya |
Late Rhuddanian |
|
Spinachitina |
Spinachitina maennili
|
Ohio |
Late Rhuddanian |
|