Plectochitina |
Plectochitina nodifera
|
USSR(Estonian SSR) |
Early Rhuddanian |
|
Plectochitina |
Plectochitina nodifera
|
Saudi Arabia |
Early Rhuddanian |
|
Plectochitina |
Plectochitina nodifera
|
Tunisia |
Early Rhuddanian |
|
Plectochitina |
Plectochitina nodifera
|
Czechoslovakia(Bohemia) |
Early Rhuddanian |
|
Plectochitina |
Plectochitina nodifera
|
USSR(Latvian SSR) |
Early Rhuddanian |
|
Plectochitina |
Plectochitina nodifera
|
Canada(Quebec) |
Early Rhuddanian |
|
Plectochitina |
Plectochitina paraguayensis
|
USSR(Estonian SSR) |
Aeronian |
|
Plectochitina |
Plectochitina paraguayensis
|
Saudi Arabia |
Aeronian |
|
Plectochitina |
Plectochitina paraguayensis
|
USSR(Latvian SSR) |
Late Rhuddanian |
Aeronian |
Plectochitina |
Plectochitina paraguayensis
|
Canada(Quebec) |
Aeronian |
|
Plectochitina |
Plectochitina paraguayensis
|
Algeria |
Aeronian |
|
Plectochitina |
Plectochitina paraguayensis
|
Libya |
Aeronian |
|
Plectochitina |
Plectochitina paraguayensis
|
Sweden(Gotland) |
Aeronian |
|
Plectochitina |
Plectochitina pseudoagglutinans
|
USSR(Estonian SSR) |
Late Aeronian |
Early Telychian |
Plectochitina |
Plectochitina pseudoagglutinans
|
Saudi Arabia |
Late Aeronian |
Early Telychian |
Plectochitina |
Plectochitina pseudoagglutinans
|
Tunisia |
Late Aeronian |
Early Telychian |
Plectochitina |
Plectochitina pseudoagglutinans
|
Czechoslovakia(Bohemia) |
Late Aeronian |
Early Telychian |