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John Morrison
MemberCompsognathusAug-20-2014 10:03 PMI would say anywere from 20-40 years for a large theropod. Small theropods probably had a wide variation in lifespan similar to modern birds.
Sauropods, at least the large ones, probably lived from 70-80 years old based on growth ring studies.
As for Ceratopsians there is not much info on lifespan for them at this point.
Ian Malcolm: No I'm, I'm simply saying that life - uhhh - finds a way.
Rex Fan 684
MemberCompsognathusAug-21-2014 7:09 AMThe oldest T.rex was Sue at 28 years old. The biggest theropods therefore lived in the 25-35 year range, which isn't that short.
"Men like me don't start the wars. We just die in them. We've always died in them, and we always will. We don't expect any praise for it, no parades. No one knows our names."
―Alpha-98
Tyrant king
MemberCompsognathusAug-21-2014 7:22 AMI just thought it would be like 50 or 60
but, i guess they lived fast and died young.
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