Calpichitina |
Calpichitina scabiosa
|
Nd |
Nd |
|
Calpichitina |
Calpichitina urticula
|
Oklahoma |
Middle Ordovician |
Late Ordovician |
Catenochitina |
Catenochitina
|
Nd |
Nd |
|
Catenochitina |
Catenochitina elegans
|
Nd |
Nd |
|
Cingulochitina |
Cingulochitina
|
Nd |
Nd |
|
Cingulochitina |
Cingulochitina dispar
|
Nd |
Nd |
|
Cingulochitina |
Cingulochitina infundibuliformis
|
Algeria |
Early Ordovician |
Late Ordovician |
Cladochitina |
Cladochitina biconstricta
|
Nd |
Nd |
|
Cladochitina |
Cladochitina kutasii
|
Ohio |
Middle Devonian |
|
Cladochitina |
Cladochitina varispinosa
|
Nd |
Nd |
|
Clathrochitina |
Clathrochitina aquitanica
|
France(Aquitaine) |
Llandeilian |
|
Clathrochitina |
Clathrochitina carmenchui
|
Spain |
Late Ludlovian |
Early Gedinnian |
Clathrochitina |
Clathrochitina clathrata
|
Nd |
Nd |
|
Clathrochitina |
Clathrochitina combazii
|
Spain |
Late Llandoverian |
Early Gedinnian |
Clathrochitina |
Clathrochitina multiramosa
|
Algeria |
Gothlandian |
|
Clathrochitina |
Clathrochitina retifera
|
Algeria |
Middle Devonian |
|
Clathrochitina |
Clathrochitina rosendae
|
France(Manche) |
Pridolian |
Gedinnian |