Reptilia - Dinosauria - Herrerasauridae

Synonym: Frenguellisaurus Novas 1986

Full reference: O. A. Reig. 1963. La presencia de dinosaurios saurisquios en los "Estratos de Ischigualasto" (Mesotriasico Superior) de las provincias de San Juan y La Rioja (República Argentina) [The presence of saurischian dinosaurs in the "Ischigualasto beds" (upper Middle Triassic) of San Juan and La Rioja Provinces (Argentine Republic)]. Ameghiniana 3(1):3-20

Parent taxon: Herrerasauridae according to H.-D. Sues et al. 2011

Sister taxa: Chindesaurus, Ischisaurus, Sanjuansaurus, Staurikosaurus

Subtaxa: Herrerasaurus ischigualastensis

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Ecology: ground dwelling carnivore