Jurassic Time Period

Timeline created by elenin in Science and Technology
Event Date: Event Title: Event Description:
Jan 1st, 1000
Start of Jurassic Period 200 mya
Jan 1st, 1010
Ichthyosaurus The Icthyosaurus began showing fossils in layers of rock of about this age
Jan 1st, 1020
North America separates from Africa The Atlantic Ocean first appears between Africa and North America when the super continent breaks apart, Evidence for this event include dinasaur fossils found in Africa and North America of dinasaurs who could not swim.
Meteor impact%5b1%5d
Jan 1st, 1033
Meteor Impact An 80 km crater was created, and serious damage was done to the land and surrounding areas.
Jan 1st, 1034
Evolutionary split between monotremes and primitive animals Monotromes serpate into primitive animals at about this time.
Dinosaur images 062 resize%5b1%5d
Jan 1st, 1037
Brachiosaurus Dinosaur The Brachiosaurus is thought to have emerged at some point between the middle and end of the Jurassic period.
Jan 1st, 1042
Patagosaurus The Patagosaurus is thought to have emerged at some point between the middle and end of the Jurassic period.
Jan 1st, 1043
Diplodocus The Diplodocus dinasour is thought to have first come into exsistence at this time or shortly after.
Jan 1st, 1045
Stegosaurus The first evidence for the Stegosauras is this date. It is clear because of its distinct fossilized scales.
Jan 1st, 1050
First winged birds appear, including the Archaeopteryx Small birds first started having feathers and then wings, shortly followed by winged reptiles such as the Arcgaeopteryx (picture)
Jan 1st, 1052
Evolutionary split between marsupials and eutherian mammals Marsupials and eutherian mammals distinctly split at this time.
Jan 1st, 1054
End of Jurassic Period 146 mya
Meteor impact%5b1%5d
Jan 1st, 1055
Second meteor impact This impact was slightly smaller leaving a 70 km crater.
Timespan Dates: Timespan Title: Timespan Description:
Jan 1st, 1000

Jan 1st, 1054
Jurassic (mya:1yr=1mil yrs) The Jurassic Period started 199.6 mya and ended 145.5 mya.