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)