Triassic Time Period.
Published on Nov 18, 2015
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PRESENTATION OUTLINE
TRIASSIC TIME
THE MESOZOIC ERA
MESOZOIC ERA
- Triassic, Jurassic, Cretaceous
- 251-65.5 million years ago
- "Age of the Dinosaurs"
- Evolution recongnized in late triassic
- Earths largest documented mass extinction
PLANTS:
FERN
PLANTS:
GINGKO
PLANTS:
MOSS
PLANTS:
ZAMITES
PLANTS:
SPHENOSPIDS
ANIMALS:
CYNODONTS
ANIMALS:
DICYNODONTS
ANIMALS:
EUPARKERIA
ANIMALS:
GRACILISUCHAS
ANIMALS:
PTEROSAURS
CLIMATE
- Every area had different climates
- Equator hot and dry (warming and cooling periods)
- North was wetter
- Poles were ice free
- South was warmer and dryer after split
Photo by ecstaticist
LANDFORMS
- Pangea
- Water was Panthalassa
- Valcanoes
- Godwanda south
- Laurasia north. (Both in middle time)
FACTS
- Land split at end of period
- Dinosaurs came until end of period
- Plants would extinct but new ones would come
- Bird ancestors appeared in middle of period
- Mesozoic means "middle animals"
Photo by jared
NEARING THE END OF THE TRIASSIC PERIOD
- By end 80% of species died out (Mesozoic era)
- Ended by Valcanoes, asteroids,climate change
- At the Hell Creek formation in Montana there is a coal layer (Cretaceous and tertiary)
- great change in the terrestrial vegetation
- Continents split, flooded, climate changed to much.
