地質時代
恐竜が地球を支配していた時代と世。
Devonian Late
Paleozoic
382.7–358.9 Mya
0 恐竜
Carboniferous Late
Paleozoic
323.2–298.9 Mya
0 恐竜
Permian Late
Paleozoic
259.1–252.2 Mya
0 恐竜
Triassic Early
Mesozoic
252.2–247.2 Mya
2 恐竜
Triassic Middle
Mesozoic
247.2–237.0 Mya
15 恐竜
Triassic Late
Mesozoic
237.0–201.4 Mya
148 恐竜
Jurassic Early
Mesozoic
201.4–174.7 Mya
249 恐竜
Jurassic Middle
Mesozoic
174.7–161.5 Mya
143 恐竜
Jurassic Late
Mesozoic
161.5–145.0 Mya
261 恐竜
Cretaceous Early
Mesozoic
145.0–100.5 Mya
703 恐竜
Aptian
Mesozoic
125.0–113.0 Mya
0 恐竜
Cretaceous Late
Mesozoic
100.5–66.0 Mya
1230 恐竜
Maastrichtian
Mesozoic
72.1–66.0 Mya
0 恐竜
Paleocene
Cenozoic
66.0–56.0 Mya
0 恐竜
Eocene
Cenozoic
56.0–33.9 Mya
0 恐竜