Acanthochitina |
Acanthochitina barbata
|
Nd |
Nd |
|
Angochitina |
Angochitina
|
Sweden |
Caradocian |
|
Angochitina |
Angochitina
|
United Kingdom |
Caradocian |
|
Angochitina |
Angochitina
|
USA |
Caradocian |
|
Angochitina |
Angochitina hirsuta
|
Sweden |
Caradocian |
|
Angochitina |
Angochitina hirsuta
|
United Kingdom |
Caradocian |
|
Angochitina |
Angochitina hirsuta
|
USA |
Caradocian |
|
Clathrochitina |
Clathrochitina sylvanica
|
Sweden |
Caradocian |
|
Clathrochitina |
Clathrochitina sylvanica
|
United Kingdom |
Caradocian |
|
Clathrochitina |
Clathrochitina sylvanica
|
USA |
Caradocian |
|
Conochitina |
Conochitina minnesotensis
|
Nd |
Nd |
|
Conochitina |
Conochitina robusta
|
Oklahoma |
Ordovician |
|
Desmochitina |
Desmochitina minor
|
Nd |
Nd |
|
Desmochitina |
Desmochitina scabiosa
|
Sweden |
Caradocian |
|
Desmochitina |
Desmochitina scabiosa
|
United Kingdom |
Caradocian |
|
Desmochitina |
Desmochitina scabiosa
|
USA |
Caradocian |
|
Growia |
Growia oviformis
|
Sweden |
Caradocian |
|