Other Facts: Flashcards
(18 cards)
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
What did placoderms give rise to?
Bony and Cartilagenous fish
What were the first Cartilagenous fish?
Acanthodians (Silurian)
What were the first Cartilagenous fish?
Acanthodians (Silurian)
