Giants and Bizarres: Body Size of Some Southern South American Cretaceous Dinosaurs

  title={Giants and Bizarres: Body Size of Some Southern South American Cretaceous Dinosaurs},
  author={Gerardo V. Mazzetta and † PerChristiansen and R. Fari{\~n}a},
  journal={Historical Biology},
  pages={71 - 83}
  • Gerardo V. Mazzetta *, Per Christiansen †, R. Fariña
  • Published 2004
  • Biology
  • Historical Biology
  • Body masses of some South American dinosaurs are estimated. The sauropod Argentinosaurus huinculensis reached 73 tonnes, and therefore, is the largest of all land animals whose mass has been rigorously obtained. Another sauropod, Antarctosaurus giganteus, was the second largest, at nearly 69 tonnes, while Antarctosaurus wichmannianus reached 34 tonnes. A third sauropod, the bizarre-looking Amargasaurus cazaui, was much smaller, with a body mass of only 2.5 tonnes. Among theropods, the body mass… CONTINUE READING
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