| Name | From | To | Age range |
|---|---|---|---|
| Ammonidium lewisii | Middle Devonian | Middle Devonian |
|
| Ammonidium toriferum | Early Devonian | Early Devonian |
|
| Ammonidium microfurcatum | Middle Devonian | Middle Devonian |
|
| Ammonidium sp.SA | Middle Telychian | Middle Telychian |
|
| Ammonidium cornuatum | Gedinnian | Gedinnian |
|
| Ammonidium iowaensis | Late Givetian | Late Givetian |
|
| Ammonidium sp.2 | Homerian | Homerian |
|
| Ammonidium maritimum | Early Famennian | Early Famennian |
|
| Ammonidium telychense | Telychian | Telychian |
|
| Ammonidium sp.4 | Middle Pridolian | Middle Pridolian |
|
| Ammonidium sp.B Hash.& Play.,1998 | Frasnian | Frasnian |
|
| Ammonidium maravillosum | Late Llandoverian | Late Llandoverian |
|
| Ammonidium hydraferum | Frasnian | Frasnian |
|
| Ammonidium inornatum | Early Frasnian | Early Frasnian |
|
| Ammonidium paleozoicum | Tournaisian | Tournaisian |
|
| Ammonidium juliae | Early Tournaisian | Early Tournaisian |
|
| Ammonidium sp. Down.,1973 | Early Devonian | Early Devonian |
|