Arabellites |
Arabellites
|
Canada(Ontario) |
Cambrian |
Silurian |
Arabellites |
Arabellites americanus
sp. nov. |
Nd |
Nd |
|
Arabellites |
Arabellites arcuatus
|
Nd |
Nd |
|
Arabellites |
Arabellites commendabilis
|
Canada(Alberta) |
Frasnian |
|
Arabellites |
Arabellites cultriformis
|
Canada(Alberta) |
Frasnian |
|
Arabellites |
Arabellites germanicus
sp. nov. |
Nd |
Nd |
|
Arabellites |
Arabellites laeodemissicius
sp. nov. |
Nd |
Nd |
|
Arabellites |
Arabellites neoperpensus
|
Nd |
Nd |
|
Arabellites |
Arabellites prosseri
|
Canada(Alberta) |
Frasnian |
|
Arabellites |
Arabellites robustus
|
Nd |
Nd |
|
Arabellites |
Arabellites seidelae
sp. nov. |
Nd |
Nd |
|
Arabellites |
Arabellites spinosus
|
Nd |
Nd |
|
Basogenys |
Basogenys
|
Canada(Ontario) |
Rocklandian |
|
Basogenys |
Basogenys castigata
|
Canada(Ontario) |
Rocklandian |
|
Belegenys |
Belegenys
|
Canada(Quebec) |
Middle Tremadocian |
|
Belegenys |
Belegenys geisacantha
|
Canada(Quebec) |
Middle Tremadocian |
|
Cheiridogenys |
Cheiridogenys
|
Nd |
Nd |
|