Table 1.
Body mass estimates for the largest individuals for each species used in this study.
| Body mass (kg) | ||||
|---|---|---|---|---|
| Taxon | Specimen used for mass estimate | Anderson et al. (1985) | Christiansen & Fariña (2004)4/Packard et al. (2009)5 | Seebacher (2001) |
| Theropoda | ||||
| Allosaurus fragilis1,2 | AMNH 630 | 1778.5 | 2395.5 | 952 |
| Tyrannosaurus rex1,2 | FMNH PR 2081 | 5654.1 | 6205 | 6650.9 |
| Tarbosaurus bataar | PIN 551-2 | 1895.5 | 2164.6 | |
| Gorgosaurus libratus1 | AMNH 5458 | 1489 | 2585.5 | 2465 |
| Daspletosaurus torosus1 | AMNH 5438 | 1895.5 | 2626.4 | |
| Gallimimus bullatus1 | G.I. No. DPS 100/11 | 284.8 | 641.4 | 585.7 |
| Herrerasaurus ischigualastensis1 | PVL 2566 | 194.9 | 227.4 | 347.8 |
| Troodon formosus1 | MOR 748 | 34.1 | 58.9 | |
| Sauropodomorpha | ||||
| Massopondylus carinatus2 | QR3054 | 280 | – | – |
| Riojasaurus incertus1 | PVL 3808 | 1963.5 | 1932.4 | 3038.7 |
| Apatosaurus sp.1 | – | 25 952 | 18 000 | 22 407.2 |
| Camarasaurus sp.1 | CM 11393 | 19 069.5 | ||
| Diplodocus sp.1 | USMN 10865 | 12 447 | 8135.8 | 19 654.6 |
| Ornithopoda | ||||
| Tenontosaurus tilletti1 | MOR 682 | 402 | – | 249.2 |
| Dryosaurus lettowvorbecki1 | BMNH R 12777 | 103 | – | – |
| Hypacrosaurus stebingeri1 | MOR 773 | 2767.6 | – | – |
| Maiasaura peeblesorum1 | MOR 005 | 1062.6 | – | – |
| Stegosauria | ||||
| Stegosaurus stenops1 | – | – | ||
| Kentrosaurus aethiopicus1 | bb1/r19 | 2046.2 | 1995.5 | 321.1 |
| Ceratopsia | ||||
| Pachyrhinosaurus sp.1 | – | – | – | – |
| Centrosaurus apertus1 | – | – | – | 1833.6 |
| Chasmosaurus mariscalensis1 | OMNH 10081 | 2481 | 2188.5 | 1658.7 |
| Psittacosaurus lujiatunensis3 | 26 | – | 21.1 | |
Body mass was estimated using the equations in the references in title row. For quadrupedal taxa, estimated adult body mass was calculated only for specimens that possessed both a femur and a humerus. H. stebingeri and P. lujiatunensis were assumed to be bipedal for the calculation of body mass. Sources of measurements are as follows:
1
Literature.
2
Personal communication.
3
Directly measured by B.M.K. or P.J.M.
4
Used for estimates for non-avian theropods.
5
Used for estimates of quadrupedal taxa.