-
146
Rocky Mtns. form
phanerozoic eon
Mesozoic era
Cretaceous period
inorganic -
245
Pangaea breaks up
Phanerozoic eon
mesozoic era
Triassic Period
inorganic -
510
Simple marine life
Precambrian Eon
Paleozoic era
Ordovician period
organic -
510
Crinoids abundant
Precambrian Eon
Paleozoic era
Ordovician period
organic -
540
Trilobites abundant
pphanerozoic eon
paleozoic era
cambrian period
organic -
544
Missouri covered by Sea
Phanerzoic eon
Paleozoix era
Cambrian Period
inorganic -
Apr 21, 650
Pangea Forms
Phanerozoic Eon
Paleozoic Era
Cambrian Period
inorganic -
Human Ozarks Uplifted
phanerozoic eon
cenozoic era
quaternary period
(not 1901..........01MYA)
organic -
Most recent Ice Ages
phanerozoic eon
Cenozoic era
Quaternary Period
(1901 is 1.6)
inorganic -
Last major uplift of Ozarks
phanerozoic eon
Cenozoic era
Quaternary Period
(1901 is 1.6)
organic -
Superlarge Mammals
phanerozoic eon
Cenozoic era
Quaternary period
(1904 is 4.8)
Organic -
Himalaya Mtns.
phanerozoic eon
Cenozoic era
neogen period
inorganic -
Age of Mammals/Birds
Phanerozoic eon
Cenozoic era
Paleogene Period
(the 1965 is wrong...its 65 MYA)
organic -
Age of Dinosaurs
Phanerozoic eon
Mesozoic era
Jurassic Period
organic -
Coal deposits form
Phanerozoic eon
permian Period
Paelozoic era
organic -
First Abundant Fish
phanerozoic eon
Paleozoic era
Devonian Period
organic -
Ancient Birds
phanerozoic eon
mesozoic era
Jurassic Period
organic -
First Forests
phanerozoic eon
Devonian period
Paleozoic Era
organic -
Age of reptiles
phanerozoic eon
Paleozoic Era
Permian period
Organic -
Appalachian Mtns. Form
phanerozoic eon
Paleozoic era
Devonian Period
inorganic
