Page 281 - Ultimate Visual Dictionary (DK)

FOSSILS

570
570 Cambrian
time
period
Precambrian
510
Ordovician
Proterozoic eon
period
439 Silurian
Palaeozoic era Devonian
THE FOSSIL RECORD 409 period
363 period
Trilobites
Phanerozoic eon Mesozoic era Carboniferous
period

290
Cenozoic era Permian
Dinosaurs 245 period
Ammonites and Belemnites 245

Fish
Amphibians Seed ferns 208 Triassic
Birds period
Reptiles
Mammals
Primates
Jurassic
Echinoderms 146 period
Brachiopods
VERTEBRATES
Chelicerates
Insects
Crustaceans
Bivalves
Gastropods period
Cephalopods 65
Cretaceous
Corals and jellyfish
Worms 65
Bryozoans
Foraminiferans
Sponges 56.5 epoch
Palaeocene
Algae Vascular plants
INVERTEBRATES
Sphenopsids
35.5
Ferns 35.5 epoch Ambulacral
Eocene
Angiosperms
Cycads Ginkgos 23.5 epoch Tertiary period area
Conifers
Oligocene
Miocene
Turreted PLANTS 5.2 epoch
spire
Large 1.64
Ribs body 0 0.01 epoch
Pliocene
whorl Large,
elevated OF YEARS epoch Quaternary perio d
MILLIONS
eye AGO (MYA) epoch
Pleistocene
Spiny, Wide
Holocene
segmented head
body Claw Tiny
tubercle
Genital
Aperture pore
Spiny
tail
Carapace
STRUTHIOLARIA LEONASPIS MUD CRAB CLYPEASTER
(GASTROPOD MOLLUSK) (TRILOBITE) (CRUSTACEAN) (ECHINODERM)
279