Heckert, A.B.; and Lucas, S.G. (2002). «South American occurrences of the Adamanian (Late Triassic: latest Carnian) index taxon Stagonolepis (Archosauria: Aetosauria) and their biochronological significance». Journal of Paleontology. 76 (5): 852–863. doi:10.1666/0022-3360(2002)076<0852:SAOOTA>2.0.CO;2A referência emprega parâmetros obsoletos |coautor= (ajuda)