HOME Triassic Period (251MA-199.6MA) Jurassic Period (199.6MA-145.5MA) Cretaceous Period (145.5MA-65.5MA) History Timeline Index

199.6 MA
JURASSIC199.6 PERIOD (45 M) (180-135 MA)
New Jersey borders North Africa
First Phase of breakup of Pangaea (early-mid Jurassic)
Mild world climate
Age of Ammonites
Birds first appear
LOWER JURASSIC199.6 (24 M) (199.6-175.6 MA)
STAGE 1 LOWER JURASSIC199.6 (3.10 M) (199.6-196.5 MA)
196.5 MA
STAGE 2 LOWER JURASSIC195.6 (6.9 M) (196.5-189.6 MA)
189.6 MA
PLIENSBACHIAN189.6 STAGE (6.6 M) (189.6-183 MA)
183 MA
TOARCIAN183 STAGE (7.4 M) (183-175.6 MA)
175.6 MA
MIDDLE JURASSIC175.6 (14.4 M) (175.6-161.2 MA)
AALENIAN175.6 STAGE (4 M) (175.6-171.6 MA)
171.6 MA
BAJOCIAN171.6 STAGE (3.9 M) (175.6-167.7 MA)
167.7 MA
BATHONIAN167.7 STAGE (3 M) (167.7-164.7 MA)
164.7 MA
CALLOVIAN164.7 STAGE (3.5 M) (164.7-161.2 MA)
161.2 MA
UPPER JURASSIC161.2 (15.7 M) (161.2-145.5 MA)
OXFORDIAN161.2 STAGE (5.6 M) (161.2-155.6 MA)
155.6 MA KIMMERIDGIAN155.6 STAGE (4.8 M) (155.6-150.8 MA)
155 MA
Stegosaurus + 155-145 MA
Allosaurus + 155-145 MA
Archaeopteryx + 155-150 MA
153 Ma
Pangaea breaks up
150.8 MA
TITHONIAN150.8 STAGE (5.3 M) (150.8-145.5 MA)

HOME Triassic Period (251MA-199.6MA) Jurassic Period (199.6MA-145.5MA) Cretaceous Period (145.5MA-65.5MA) History Timeline Index