Tyrannosaurus rex (Tyrannosaurus):  

Predictions & Data for this entry

Model:  std  

MRE = 0.033
SMSE = 0.036

Zero-variate data
tp7300 7257 (0.005839)dtime since birth at pubertyWiki
am1.095e+04 1.056e+04 (0.03577)dlife spanWiki
Wwb3000 2930 (0.02321)gwet weight at birthLearning
Wwi8e+06 8.187e+06 (0.02334)gultimate wet weightWiki
Ri0.05479 0.05393 (0.01578)#/dmaximum reprod rateLearning
Uni-variate data
DatasetFigure(RE)Independent variableDependent variableReference
tW see Fig. 1 (0.09374)time since birthwet weightEricMako2004
Pseudo-data at Tref
DataGeneralised animalTyrannosaurus rexUnitDescription
v 0.02 0.01466cm/denergy conductance
kap 0.8 0.9227-allocation fraction to soma
kap_R 0.95 0.95-reproduction efficiency
p_M 18 24.89J/d.cm^3vol-spec som maint
k_J 0.002 0.0011781/dmaturity maint rate coefficient
kap_G 0.8 0.8005-growth efficiency
k 0.3 0.3711-maintenance ratio


  • Extinct, lived 68 till 66 Ma ago (ref: Wiki)


  • Several data are very speculative, such as T, Wwb, Ri
  • Neonate growth is possibly retarted by lower body temperature
  • In view of low somatic maintenance, pseudodata k_J = 0.002 1/d is replaced by pseudodata k = 0.3


  • Wiki
  • Kooy2010
  • EricMako2004
  • Learning

Bibtex files with references for this entry

Bas Kooijman, 2016/11/13 (last modified by Bas Kooijman 2017/11/13)

accepted: 2017/11/13

refer to this entry as: AmP Tyrannosaurus rex version 2017/11/13 bio.vu.nl/thb/deb/deblab/add_my_pet/