Name | From | To | Age range |
---|---|---|---|
Ammonidium lewisii | Middle Devonian | Middle Devonian |
|
Ammonidium microfurcatum | Middle Devonian | Middle Devonian |
|
Ammonidium toriferum | Early Devonian | Early Devonian |
|
Ammonidium sp.SA | Middle Telychian | Middle Telychian |
|
Ammonidium cornuatum | Gedinnian | Gedinnian |
|
Ammonidium sp.2 | Homerian | Homerian |
|
Ammonidium iowaensis | Late Givetian | Late Givetian |
|
Ammonidium maritimum | Early Famennian | Early Famennian |
|
Ammonidium sp.4 | Middle Pridolian | Middle Pridolian |
|
Ammonidium telychense | Telychian | Telychian |
|
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 juliae | Early Tournaisian | Early Tournaisian |
|
Ammonidium paleozoicum | Tournaisian | Tournaisian |
|
Ammonidium sp. Down.,1973 | Early Devonian | Early Devonian |
|