provided by the phylogenetic analysis by Cau, 2018: Novas et al., 2021 revised the fossil record of South American early dinosaurs and supported that Herrerasauria is part of Saurischia but diverging earlier than both Sauropodomorpha or Theropoda, and further corroborated with the hypothesis that Chindesaurus, Daemonosaurus and Tawa are members of the clade. Timeline of genera References Prehistoric dinosaur families Prehistoric saurischians Carnian first appearances Norian extinctions