Sagot :
titanosaur, (clade Titanosauria), diverse group of sauropod dinosaurs classified in the clade Titanosauria, which lived from the Late Jurassic Epoch (163.5 million to 145 million years ago) to the end of the Cretaceous Period (145 million to 66 million years ago).
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Answer:
*Cretaceous-tertiary Extinction: 65 million years ago.
scientist refers to the major extinction that wiped out nonavian dinasour as the K-T
Extinction, because it happened at the end
of a cretaceous period and the beginning
of the tertiary period.
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