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14 Cards in this Set

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  • Back
  • 3rd side (hint)
Quaternary
(Cenozoic) Major Glaciers in north american and europe form 1.5 mill
1.6- present
Tertiary
(Cenozoic) Rocky mountains and individual continents take shape (65)
1.6-65
Cretaceous
(Mesozoic)Dinosaurs extinct(65). Western interiro seway and marine reptiles(65-144)
65- 146
Jurassic
(Mesozoic) Pagnea starts to break up to continents
208-146
Triassic
(Mesozoic)First mammals and dinosaurs
20-245
Permian
(Paleozoic)greatest extinction on the earth(245)
245- 290
pennsylvanian
(Paleozoic) First reptiles
290-322
Mississippian
(Paleozoic) Coal-forming forests
322-363
Devonian
(Paleozoic) first land animals and first forests(408)
408-363
Siluraian
(Paleozoic) Life invades land
408-439
Ordovician
(Paleozoic) First fish
439-510
Cambrian
(Paleozoic) Great diversity of marine invertebrates
510-545
Proterozoic
(Precambrian) Marine fossil invertebrates(600)
545-2500
Archean
(Precambrian) Earliest fossils recorded. Earliest rocks