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1 V e rt e b rates Or i g i n ate 1 CO PY
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Document Date: 2014-09-08 07:15:50
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File Size: 712,32 KB
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Organization
RI AL /
/
Position
rt /
/
Technology
radiation /
/
SocialTag
Planetary science
Climate history
Extinction events
Impact events
Dinosaurs
Tetrapod
Vertebrate
Mammal
Devonian
Historical geology