Lagenochitina |
Lagenochitina sp.A
sp. nov. |
Canada(Newfoundland) |
Ashgillian |
|
Lagenochitina |
Lagenochitina sp.A
sp. nov. |
Canada(Arctic) |
Ashgillian |
|
Lagenochitina |
Lagenochitina sp.A
sp. nov. |
Canada(Quebec) |
Ashgillian |
|
Nevadachitina |
Nevadachitina extraordinarius
|
Canada(Arctic) |
Late Ordovician |
|
Nevadachitina |
Nevadachitina extraordinarius
|
Canada(Newfoundland) |
Late Ordovician |
|
Nevadachitina |
Nevadachitina extraordinarius
|
Canada(Quebec) |
Late Ordovician |
|
Nevadachitina |
Nevadachitina perscuptus
|
Canada(Arctic) |
Late Ordovician |
|
Nevadachitina |
Nevadachitina perscuptus
|
Canada(Newfoundland) |
Late Ordovician |
|
Nevadachitina |
Nevadachitina perscuptus
|
Canada(Quebec) |
Late Ordovician |
|
Nevadachitina |
Nevadachitina vininica
|
Canada(Newfoundland) |
Late Ordovician |
|
Nevadachitina |
Nevadachitina vininica
|
Canada(Arctic) |
Late Ordovician |
|
Nevadachitina |
Nevadachitina vininica
|
Canada(Quebec) |
Late Ordovician |
|
Ordochitina |
Ordochitina nevadensis
|
Canada(Arctic) |
Late Ordovician |
|
Ordochitina |
Ordochitina nevadensis
|
Canada(Newfoundland) |
Late Ordovician |
|
Ordochitina |
Ordochitina nevadensis
|
Canada(Quebec) |
Late Ordovician |
|
Rhabdochitina |
Rhabdochitina turgida
|
Canada(Newfoundland) |
Ashgillian |
|
Rhabdochitina |
Rhabdochitina turgida
|
Canada(Quebec) |
Ashgillian |
|