Ancyrochitina |
Ancyrochitina corniculans
|
Canada(Anticosti Island) |
Gamachian |
|
Ancyrochitina |
Ancyrochitina ellisbayensis
|
Libya |
Gamachian |
Early Rhuddanian |
Ancyrochitina |
Ancyrochitina ellisbayensis
sp. nov. |
Canada(Anticosti Island) |
Hirnantian |
|
Ancyrochitina |
Ancyrochitina merga
|
Canada(Anticosti Island) |
Gamachian |
|
Ancyrochitina |
Ancyrochitina onniensis
|
Nd |
Nd |
|
Ancyrochitina |
Ancyrochitina ramosaspina
|
Canada(Anticosti Island) |
Late Rhuddanian |
|
Ancyrospora |
Ancyrospora ancyrea
|
Canada(Anticosti Island) |
Late Rhuddanian |
|
Belonechitina |
Belonechitina gamachiana
|
Canada(Anticosti Island) |
Gamachian |
|
Belonechitina |
Belonechitina micracantha
|
Canada(Anticosti Island) |
Gamachian |
|
Belonechitina |
Belonechitina micracantha
|
Canada(Anticosti Island) |
Gamachian |
|
Belonechitina |
Belonechitina postrobusta
|
Canada(Anticosti Island) |
Rhuddanian |
|
Belonechitina |
Belonechitina senta
|
Canada(Anticosti Island) |
Gamachian |
|
Bursachitina |
Bursachitina basiconcava
|
China(Kiangsu) |
Llandoverian |
|
Bursachitina |
Bursachitina basiconcava
sp. nov. |
Canada(Anticosti Island) |
Late Rhuddanian |
|
Clathrochitina |
Clathrochitina perexillis
sp. nov. |
Canada(Anticosti Island) |
Late Rhuddanian |
|
Clathrochitina |
Clathrochitina postconcinna
sp. nov. |
Canada(Anticosti Island) |
Rhuddanian |
|
Clathrochitina |
Clathrochitina sp. Souf.& Acha.,2000
sp. nov. |
Canada(Anticosti Island) |
Late Rhuddanian |
|