Page 281 - (DK) The Ultimate Visual Dictionary 2nd Ed.
P. 281
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
Dinosaurs 245 period
Permian
Ammonites and Belemnites 245
Fish Seed ferns
Amphibians 208 Triassic
Birds period
Reptiles
Mammals
Primates
Echinoderms 146 period
Jurassic
Brachiopods
Chelicerates
VERTEBRATES
Insects
Crustaceans
Bivalves
Gastropods period
Cephalopods 65
Cretaceous
Corals and jellyfish
Worms 65
Bryozoans
Foraminiferans
Sponges 56.5 epoch
Palaeocene
INVERTEBRATES
Algae Vascular plants
Sphenopsids
Ferns 35.5 epoch Ambulacral
35.5
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
Holocene
Spiny, Wide
segmented head
body Claw Tiny
tubercle
Genital
Aperture pore
Spiny
tail
Carapace
STRUTHIOLARIA LEONASPIS MUD CRAB CLYPEASTER
(GASTROPOD MOLLUSK) (TRILOBITE) (CRUSTACEAN) (ECHINODERM)
279

