References / paperGigantism and comparative life-history parameters of tyrannosaurid dinosaurs
Erickson, G.M.; Makovicky, P.J.; Currie, P.J.; Norell, M.A.; Yerby, S.A.; Brochu, C.A.
Year2004
Source roleprimary-study
DOI / ID10.1038/nature02699
Fitness and scope
taxonomy · topology · range · morphology · ecology · geochronology · methods · event-mechanism
Histological marks are observed; ages, masses and growth curves are model estimates.
Claim ledger
event-mechanism · mediumGrowth marks in a catalogued tyrannosaurid specimen series including FMNH PR 2081 provide histological observations; ages, asymptotic masses and a peak Tyrannosaurus growth rate near 2.1 kilograms per day are fitted estimates conditional on missing marks and body-mass equations.
claim:event:tyrannosaurid-histology-growth-curves