Desmochitina |
Desmochitina cocca
|
Nd |
Nd |
|
Desmochitina |
Desmochitina nodosa
|
Sweden |
Caradocian |
|
Diabolochitina |
Diabolochitina
|
Nd |
Nd |
|
Diabolochitina |
Diabolochitina symmetrica
|
Nd |
Nd |
|
Discochitina |
Discochitina
|
Nd |
Nd |
|
Discochitina |
Discochitina discoidea
|
Nd |
Nd |
|
Earlachitina |
Earlachitina
|
Nd |
Nd |
|
Earlachitina |
Earlachitina latipes
|
Nd |
Nd |
|
Edouardochitina |
Edouardochitina
|
Nd |
Nd |
|
Edouardochitina |
Edouardochitina communis
|
Nd |
Nd |
|
Eisenackitina |
Eisenackitina
|
Canada |
Early Givetian |
|
Eisenackitina |
Eisenackitina castor
|
Canada |
Early Givetian |
|
Eremochitina |
Eremochitina
|
Algeria |
Arenigian |
|
Eremochitina |
Eremochitina baculata
|
Algeria |
Arenigian |
|
Erinaceochitina |
Erinaceochitina
|
Nd |
Nd |
|
Erinaceochitina |
Erinaceochitina collinsoni
|
Nd |
Nd |
|
Euconochitina |
Euconochitina
|
Estonia |
Middle Llanvirnian |
|