Genus Ammonidium

Species total:
52
Age range:
570 - 335 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Ammonidium sp.1 Anan.,1974 Emsian Frasnian
Ammonidium sp.1 Hill.,1974 Rhuddanian Early Sheinwoodian
Ammonidium sp.2 Homerian Homerian
Ammonidium sp.2 Anan.,1974 Emsian Frasnian
Ammonidium sp.3 Middle Pridolian Frasnian
Ammonidium sp.4 Middle Pridolian Middle Pridolian
Ammonidium sp.A Rawtheyan Early Telychian
Ammonidium sp.A Hash.& Play.,1998 Frasnian Frasnian
Ammonidium sp.B Late Aeronian Early Telychian
Ammonidium sp.B Hash.& Play.,1998 Frasnian Frasnian
Ammonidium sp.C Late Aeronian Early Telychian
Ammonidium sp.SA Middle Telychian Middle Telychian
Ammonidium sprucegrovense Frasnian Middle Tournaisian
Ammonidium telychense Telychian Telychian
Ammonidium toriferum Early Devonian Early Devonian
Ammonidium uncinum Early Devonian Emsian
Ammonidium waldronense Late Llandoverian Ludlovian