| Name | From | To | Age range |
|---|---|---|---|
| Ammonidium paleozoicum | Tournaisian | Tournaisian |
|
| Ammonidium juliae | Early Tournaisian | Early Tournaisian |
|
| Ammonidium maritimum | Early Famennian | Early Famennian |
|
| Ammonidium inornatum | Early Frasnian | Early Frasnian |
|
| Ammonidium sp.A Hash.& Play.,1998 | Frasnian | Frasnian |
|
| Ammonidium hamatum | Late Devonian | Late Famennian |
|
| Ammonidium sp.B Hash.& Play.,1998 | Frasnian | Frasnian |
|
| Ammonidium hydraferum | Frasnian | Frasnian |
|
| Ammonidium sprucegrovense | Frasnian | Middle Tournaisian |
|
| Ammonidium sp. Otto.,1996 | Late Givetian | Early Frasnian |
|
| Ammonidium iowaensis | Late Givetian | Late Givetian |
|
| Ammonidium lewisii | Middle Devonian | Middle Devonian |
|
| Ammonidium microfurcatum | Middle Devonian | Middle Devonian |
|
| Ammonidium sp.2 Anan.,1974 | Emsian | Frasnian |
|
| Ammonidium sp.1 Anan.,1974 | Emsian | Frasnian |
|
| Ammonidium sp. Down.,1973 | Early Devonian | Early Devonian |
|
| Ammonidium garrasinoi | Early Devonian | Early Frasnian |
|