Acanthochitina |
Acanthochitina barbata
|
Canada(Quebec) |
Late Ordovician |
|
Acanthochitina |
Acanthochitina sp
|
Nd |
Nd |
|
Ancyrochitina |
Ancyrochitina bulmani
|
Nd |
Nd |
|
Ancyrochitina |
Ancyrochitina spongiosa
|
Canada(Quebec) |
Ashgillian |
|
Belonechitina |
Belonechitina sp
|
Nd |
Nd |
|
Belonechitina |
Belonechitina sp.A
sp. nov. |
Nd |
Nd |
|
Conochitina |
Conochitina bulmani
|
Canada(Quebec) |
Ashgillian |
|
Conochitina |
Conochitina senta
sp. nov. |
Canada(Quebec) |
Ashgillian |
|
Conochitina |
Conochitina sp.A Acha.,1978
sp. nov. |
Canada(Quebec) |
Ashgillian |
|
Cyathochitina |
Cyathochitina kuckersiana
|
Canada(Quebec) |
Ashgillian |
|
Cyathochitina |
Cyathochitina macastyensis
sp. nov. |
Canada(Quebec) |
Caradocian |
|
Cyathochitina |
Cyathochitina vaurealensis
|
Canada(Quebec) |
Ashgillian |
|
Desmochitina |
Desmochitina complanata
|
Canada(Quebec) |
Ashgillian |
|
Hercochitina |
Hercochitina crickmayi
|
Nd |
Ashgillian |
|
Hercochitina |
Hercochitina filamentosa
|
Nd |
Ashgillian |
|
Hercochitina |
Hercochitina minuta
|
Nd |
Ashgillian |
|
Hercochitina |
Hercochitina modesta
sp. nov. |
Canada(Quebec) |
Late Ordovician |
|