145.5 MA CRETACEOUS145.5 PERIOD (80 M) (145.5-65.5 MA)

Flowering plants appear

Age of Chalk - planktonic foraminifera

Extinction of much Mesozoic life - dinosaurs

LOWER CRETACEOUS145.5 EPOCH (45.9 M)(145.5-99.6 MA)

BERRIASIAN145.5 STAGE (5.3 M) (145.5-140.2 MA)

140.2 MA VALANGINIAN140.2 STAGE (6.3 M) (140.2-133.9 MA)

135 MA Teinolophos - earliest monotreme (egg laying mammal) lives in Australia (ext.)

133.9 MA HAUTERIVIAN133.9 STAGE (3.9 M) (133.9-130 MA)

130 MA BARREMIAN130 STAGE (5 M) (130-125 MA)

125 MA APTIAN125 STAGE (13 M) (125-112 MA)

Yutyrannus huali - largest feathered dinosaur yet found - at least 30 ft. long (in northeastern China)

Synodelphys - earliest marsupial (Metatheria) in China (Liaoning Province) (ext.)

Eomaia scansoria - early eutheria-like (placental) mammal - link to placentals (ext.)

112 MA ALBIAN112 STAGE (12.4 M) (112-99.6 MA)

110 MA Most recent "glacial period" on Earth begins (-10500 BCE)

100 MA Great Angiosperm Radiation - diversity of flowering plants in the fossil record

Most modern sharks present by this time

99.6 UPPER CRETACEOUS99.6 EPOCH (34.10)(99.6-65.5 MA)

CENOMANIAN99.6 STAGE (6 M) (99.6-93.6 MA)

93.6 MA TURONIAN93.6 STAGE (5 M) (93.6-88.6 MA)

90 MA Start of primate line?

88.6 MA CONIACIAN88.6 STAGE (2.8 M) (88.6-85.8 MA)

85.8 MA SANTONIAN85.8 STAGE (2.3M) (85.8-83.5 MA)

85 MA Start of primate line? Adapiformes

83.5 MA CAMPANIAN83.5 STAGE (12.9 M) (83.5-70.6 MA)

70.6 MA MAASTRICHTIAN70.6 STAGE (5.10) (70.6-65.5 MA)

68 MA Tyrannosaurus rex + 68-65 MA

Triceratops + 68-65 MA