Multiplicisphaeridium |
Multiplicisphaeridium bifurcatum
|
Canada(Quebec) |
Middle Ordovician |
|
Multiplicisphaeridium |
Multiplicisphaeridium irregulare
|
Canada(Quebec) |
Middle Ordovician |
|
Poikilofusa |
Poikilofusa spinata
|
Canada(Quebec) |
Middle Ordovician |
|
Eupoikilofusa |
Eupoikilofusa striata
|
Canada(Quebec) |
Middle Ordovician |
|
Poikilofusa |
Poikilofusa striata
|
Canada(Quebec) |
Middle Ordovician |
|
Dactylofusa |
Dactylofusa striata
|
Canada(Quebec) |
Middle Ordovician |
|
Baiomeniscus |
Baiomeniscus eumecus
sp. nov. |
Indiana |
Ashgillian |
|
Disparifusa |
Disparifusa perryi
sp. nov. |
Indiana |
Ashgillian |
|
Lophosphaeridium |
Lophosphaeridium leptomolgion
sp. nov. |
Indiana |
Ashgillian |
|
Estiastra |
Estiastra avita
sp. nov. |
Indiana |
Caradocian |
|
Actinotodissus |
Actinotodissus crassus
sp. nov. |
Indiana |
Caradocian |
|
Excultibrachium |
Excultibrachium
|
Indiana |
Caradocian |
|
Excultibrachium |
Excultibrachium concinnum
sp. nov. |
Indiana |
Caradocian |
|
Lophosphaeridium |
Lophosphaeridium shaveri
sp. nov. |
Indiana |
Caradocian |
|
Navifusa |
Navifusa indianensis
sp. nov. |
Indiana |
Caradocian |
|
Navifusa |
Navifusa punctata
sp. nov. |
Indiana |
Caradocian |
|
Priscotheca |
Priscotheca diadela
sp. nov. |
Indiana |
Caradocian |
|