Katiën
katiano
International Chronostratigraphic Chart (2017)
Ordovician Period
Hirnantian Age
Base of Hirnantian
Upper Ordovician Epoch
younger bound -445.2 +|-1.4 Ma
kat
kat
Phanerozoic Eon
kati
Kat
Kat
Kat
Katiense
katij
Paleozoic Era
older bound -453 +|-0.7 Ma
Katian
カティアン期
Katium
Katium
Кат
Katiano
a1.1.3.5.1.2
Base of Katian
Katian Age
Sandbian Age
Kati
凯迪期
Katien
Katien
Katis