| Name | From | To | Age range |
|---|---|---|---|
| Ammonidium microcladum | Early Paleozoic | Gedinnian |
|
| Ammonidium grosjeanii | Early Cambrian | Famennian |
|
| Ammonidium | Early Ordovician | Late Devonian |
|
| Ammonidium aduncum | Tremadocian | Ashgillian |
|
| Ammonidium furtivum | Early Arenigian | Early Llandeilian |
|
| Ammonidium multipugiunculatum | Early Arenigian | Early Llanvirnian |
|
| Ammonidium exoticum | Arenigian | Llanvirnian |
|
| Ammonidium alloiteauii | Arenigian | Middle Tournaisian |
|
| Ammonidium sp | Hunneberg | Tournaisian |
|
| Ammonidium macilentum | Arenigian | Early Llandeilian |
|
| Ammonidium ballistum | Early Arenigian | Middle Arenigian |
|
| Ammonidium sannemannii | Late Ordovician | Early Mississippian |
|
| Ammonidium loriferum | Late Ordovician | Early Mississippian |
|
| Ammonidium sp.A | Rawtheyan | Early Telychian |
|
| Ammonidium sp.1 | Kosovian | Llandoverian |
|
| Ammonidium palmitellum | Llandoverian | Wenlockian |
|
| Ammonidium listeri | Early Gothlandian | Early Telychian |
|