Eras from oldest to youngest
Paleozoic, Mesozoic, Cenozoic
(Precambrian) Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian, Triassic, Jurassic, Cretaceous, Paleogene, Neogene
During which geological period was the Ediacaran fauna?
Which period did the first fish appear in? What was it?
1st land plants
late devonian, Ichthyostega
broad, fan-lilke leaves, thrive in the cities, popular in Asia, Carboniferous
centipedes and millipedes
Mass extinction wipes out 95% of species at the end of this geologic period
fin back reptiles
Jurassic, first bird, feathers
Theropods - when and what are they?
Triassic, first dinosaurs, small, bipedal carnivores