Illyrian Regional Stage
From 239 To 237 +/- 2 Ma
End Defined By: Alternate levels are near base of Reitzi, Secedensis, or
Curionii ammonite zone; near first occurrence of the conodont genus
Budurovignathus.
End Based On: Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
-- A Substage of --
Eon: Phanerozoic (542 - -5.5012e-005)
Era: Mesozoic (251 - 65.5)
Period: Triassic (251 - 199.6)
Epoch: Middle Triassic (245 - 228)
ICS Stage: Anisian (245 - 237)
New Zealand Stage: Etalian (243 - 232)
-- Preceeded By --
Regional Stage: Pelsonian (241 - 239)
-- Followed By --
ICS Stage: Ladinian (237 - 228)
Regional Stage: Fassanian (237 - 231.4)
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