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No life on land. All oceans. Alge was discovered of different types. Jawless vertebrates. Marine life, and Trilobites.
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Lasted 45 million years
Early vertebrates, early land plants, colonization of land.
End of this period 60% went extint. -
Life on land, melting of glacers -rise in major seas
Jawless fish & fish with jaws Earlist fossils of vascular plants,
trilobites, graptolites, conodonts, corals, stromatoporoids, and mollusks -
Earliest amphibians, and ammonites.
Armored fish, abundant fish extinction
vascular plants -
Earliest reptiles, sharks, amphibians
scale trees, and seed ferns
coal forming forests. -
Extintion of many marine animals; Trilobites
little changein terrestrial animals.
Largest mass extintion. -
Earliest dinosaurs
abundunt cycades and conifers
continent pangea existed. -
Birds, mammals, dinosaurs, and ammonites
Oceans full of fish
dinosaurs dominated land. -
Flowering plants
climax of dinosaurs, ammonites followed by extintion.
Devolopment of bony fish -
age of mammals
grazing animals
humans
Ends with an ice age -
Dramatic climate changes
extinction of many species
This period reffered to as an ice age
Humans
