Other Facts: Flashcards
What were the first jawed fish and when?
Gnathostomes: ~440 mya during the Silurian
- Acanthodians and placoderms
What are the order of the periods?
Cambrian -> Ordovician -> Silurian -> Devonian -> Carboniferous -> Permian -> Triassic -> Jurassic -> Cretaceous -> Cenozoic
When was the Cambrian?
540-490 mya
When was the Ordovician?
490-440 mya
When was the Silurian?
440-420 mya
When was the Devonian?
420-360 mya
When was the Carboniferous?
360-300 mya
When was the Permian?
300-250 mya
When was the Triassic?
250-200 mya
When was the Jurassic?
200-145 mya
When was the Crutaceous?
145-65 mya
When was the Cenozoic?
65 mya - now
What Dinosaur groups diversified during the end Triassic extinction?
Theropods, sauropodomorphs, and ornithischians
What other animals survived the end Triassic extinction?
Pterosaurs
Crocodylomorphs - went on to evolve into modern crocodiles
What did placoderms give rise to?
Bony and Cartilagenous fish
