Extended Data Fig. 1: Location and geology of the Ischigualasto–Villa Unión Basin at Hoyada de Ischigualasto locality.
From: A Carnian theropod with unexpectedly derived features during the first dinosaur radiation
a, Location maps of the study area. b, Geological map of the southern area of the Ischigualasto Basin (Hoyada de Ischigualasto). c, Ischigualasto Formation stratigraphic section and detailed sedimentological log of the Hyperodapedon-Exaeretodon-Herrerasaurus biozone. The detailed sedimentologic section of the study area corresponds to a 55 metre-thick interval that includes lithofacies characterization (that is, texture, structure, colors, paleosol features) and the stratigraphic position of the holotype of Anteavis crurilongus. Black star indicates the type locality of Anteavis crurilongus (PVSJ 1085).
