Phanerozoic
Phamerozoic
-
plaleozoic
Mesozoic
Pharenozoic
Paleozoic
Phenerozoic
?
不知道是什么动物的牙齿化石
Proterozoic
Cenozoic
unknown
Phamerozoic Eon
Phanerozoic Eon
Miocene
Devonian