Archosauria - Dinosauria - Dicraeosauridae

Alternative spelling: Amargosaurus

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

Parent taxon: Dicraeosauridae according to E. Tschopp and O. Mateus 2013

Sister taxa: Brachytrachelopan, Dicraeosaurus, Suuwassea

Subtaxa: Amargasaurus cazaui

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Ecology: ground dwelling herbivore