Períodos geológicos
Las eras y épocas en que los dinosaurios dominaron la Tierra.
Devonian Late
Paleozoic
382,7–358,9 Mya
0 dinosaurios
Carboniferous Late
Paleozoic
323,2–298,9 Mya
0 dinosaurios
Permian Late
Paleozoic
259,1–252,2 Mya
0 dinosaurios
Triassic Early
Mesozoic
252,2–247,2 Mya
2 dinosaurios
Triassic Middle
Mesozoic
247,2–237,0 Mya
15 dinosaurios
Triassic Late
Mesozoic
237,0–201,4 Mya
148 dinosaurios
Jurassic Early
Mesozoic
201,4–174,7 Mya
249 dinosaurios
Jurassic Middle
Mesozoic
174,7–161,5 Mya
143 dinosaurios
Jurassic Late
Mesozoic
161,5–145,0 Mya
261 dinosaurios
Cretaceous Early
Mesozoic
145,0–100,5 Mya
703 dinosaurios
Aptian
Mesozoic
125,0–113,0 Mya
0 dinosaurios
Cretaceous Late
Mesozoic
100,5–66,0 Mya
1230 dinosaurios
Maastrichtian
Mesozoic
72,1–66,0 Mya
0 dinosaurios
Paleocene
Cenozoic
66,0–56,0 Mya
0 dinosaurios
Eocene
Cenozoic
56,0–33,9 Mya
0 dinosaurios