| Name | From | To | Age range |
|---|---|---|---|
| Aremoricanium tosotrichion | Middle Ordovician | Llandeilian |
|
| Aremoricanium testudinarium | Arenigian | Early Llanvirnian |
|
| Aremoricanium tenuiprocessum | Late Llanvirnian | Late Llanvirnian |
|
| Aremoricanium syringosage | Late Arenigian | Early Llandoverian |
|
| Aremoricanium squarrosum | Arenigian | Ashgillian |
|
| Aremoricanium sp.A | Early Tremadocian | Early Llandeilian |
|
| Aremoricanium sp.2 | Late Ordovician | Late Ordovician |
|
| Aremoricanium sp.1 | Late Ordovician | Late Ordovician |
|
| Aremoricanium sp. Uute.,1989 | Nd | Nd |
|
| Aremoricanium sp. Uute.& Tynn.,1991 | Early Arenigian | Early Arenigian |
|
| Aremoricanium sp | Early Ordovician | Ludlovian |
|
| Aremoricanium simplex | Tremadocian | Wenlockian |
|
| Aremoricanium siluricum | Late Llandoverian | Late Llandoverian |
|
| Aremoricanium rigaudiae | Early Paleozoic | Caradocian |
|
| Aremoricanium matapediense | Late Llandoverian | Late Llandoverian |
|
| Aremoricanium grootaertii | Tremadocian | Early Arenigian |
|
| Aremoricanium erchunense | Tremadocian | Arenigian |
|