Conochitina |
Conochitina sp
|
Baltic |
Late Wenlockian |
|
Eisenackitina |
Eisenackitina sp
|
Canada |
Givetian |
|
Angochitina |
Angochitina sp
|
Canada(NWT) |
Frasnian |
|
Ancyrochitina |
Ancyrochitina sp. Jans.,1967
sp. nov. |
Canada(NWT) |
Frasnian |
|
Ancyrochitina |
Ancyrochitina sp. Jans.,1967
sp. nov. |
Canada(Quebec) |
Early Caradocian |
Late Caradocian |
Desmochitina |
Desmochitina sp
|
Canada(Quebec) |
Early Caradocian |
Middle Caradocian |
Hoegisphaera |
Hoegisphaera sp
|
Canada(Quebec) |
Early Caradocian |
Middle Caradocian |
Acanthochitina |
Acanthochitina sp
|
Canada(Quebec) |
Early Caradocian |
Middle Caradocian |
Calpichitina |
Calpichitina sp
|
Canada(Quebec) |
Late Caradocian |
|
Rhabdochitina |
Rhabdochitina sp
|
Canada(Quebec) |
Late Caradocian |
|
Clathrochitina |
Clathrochitina
|
Nd |
Middle Ashgillian |
Early Llandoverian |
Alpenachitina |
Alpenachitina
|
Nd |
Late Emsian |
Eifelian |
Stephanochitina |
Stephanochitina
|
Nd |
Ashgillian |
|
Bursachitina |
Bursachitina
|
Nd |
Early Ashgillian |
Late Eifelian |
Earlachitina |
Earlachitina
|
Nd |
Middle Emsian |
Middle Givetian |
Ancyrochitina |
Ancyrochitina sp. Jans.,1967
sp. nov. |
Nd |
Middle Llandeilian |
Late Famennian |
Angochitina |
Angochitina
|
Nd |
Middle Llandoverian |
Late Famennian |