Plectochitina |
Plectochitina
|
Spain |
Late Siegenian |
|
Plectochitina |
Plectochitina carminae
|
Spain |
Late Siegenian |
|
Pogonochitina |
Pogonochitina
|
France(Aquitaine) |
Llandeilian |
|
Pogonochitina |
Pogonochitina simplex
|
France(Aquitaine) |
Llandeilian |
|
Poteriochitina |
Poteriochitina
|
Nd |
Nd |
|
Poteriochitina |
Poteriochitina briarca
|
Nd |
Nd |
|
Poumochitina |
Poumochitina
|
Nd |
Nd |
|
Poumochitina |
Poumochitina multiradiata
|
Nd |
Nd |
|
Pseudoclathrochitina |
Pseudoclathrochitina
|
Spain |
Pridolian |
|
Pseudoclathrochitina |
Pseudoclathrochitina carmenchui
|
Spain |
Pridolian |
|
Pterochitina |
Pterochitina
|
USSR(Baltic) |
Pridolian |
|
Pterochitina |
Pterochitina perivelata
|
USSR(Baltic) |
Pridolian |
|
Ramochitina |
Ramochitina
|
Brazil(Goias) |
Early Devonian |
|
Ramochitina |
Ramochitina ramosi
|
Brazil(Goias) |
Early Devonian |
|
Retrochitina |
Retrochitina
|
Nd |
Nd |
|
Retrochitina |
Retrochitina retracta
|
Nd |
Nd |
|
Rhabdochitina |
Rhabdochitina
|
Baltic |
Ordovician |
|