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Amargasaurus cazaui Salgado and Bonaparte 1991 (dicraeosaurid)

Reptilia - Saurischia - Dicraeosauridae

PaleoDB taxon number: 53962

Synonym: Amargasaurus groeberi Bonaparte 1984 [replaced name] (taxon 362056)

Full reference: L. Salgado and J. F. Bonaparte. 1991. Un nuevo saurópodo Dicraeosauridae, Amargasaurus cazaui gen. et sp. nov., de la Formación La Amarga, Neocomiano de la provincia del Neuquén, Argentina [Amargasaurus cazaui gen. et sp. nov., a new dicraeosaurid sauropod from the La Amarga Formation, Neocomian of Neuquén province, Argentina]. Ameghiniana 28(3-4):333-346

Belongs to Amargasaurus according to L. M. Ibiricu et al. 2012

Sister taxa: none

Type specimens:

  • Amargasaurus cazaui: MACN-N 15, a skeleton. Its type locality is La Amarga (main site), which is in a Barremian/Aptian fluvial-lacustrine sandstone in the La Amarga Formation of Argentina.
  • Amargasaurus groeberi: Its type locality is La Amarga (main site), which is in a Barremian/Aptian fluvial-lacustrine sandstone in the La Amarga Formation of Argentina.

Ecology: ground dwelling herbivore

Average measurements (in mm): femur 1050.0 x 530.0, fibula length 640.0, humerus 720.0 x 380.0, radius length 470.0, scapulacoracoid length 1180.0, tibia length 640.0, ulna length 440.0

Estimated body mass: 4.90 tons based on femur length