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life-span of dinosaurs



Just out of curiosity, are there any ballpark estimates out there on the
life-span of dinosaurs?  A post from Phillip Bigelow mentioned that Troodon
achieved sexual maturity at 3 to 5 years but it was unknown how long they
lived.

Jacqui Craig
Dept. of Anthropology
University of Otago
Dunedin
New Zealand