Aalénium
阿连期
younger bound -170.3 +|-1.4 Ma
Phanerozoic Eon
Aaleniense
Jurassic Period
Base of Middle Jurassic
Middle Jurassic Epoch
Aaleniën
aalenij
Early Jurassic Epoch
Aalenien
Alenis
пален
aaleni
Geologic Time Scale (2019)
álen
Bajocian Age
Aalenian Age
Aaleniano
aalen
Aaleni
Aalenian
a1.1.2.2.2.4
アーレニアン期
Mesozoic Era
aaleniano
Aalen
Aalen
Aalen
Aalen
older bound -174.1 +|-1.0 Ma
Aalénien
Toarcian Age
Base of Bajocian