^Frey, Eberhard; Buchy, Marie-Céline; Stinnesbeck, Wolfgang; López-Oliva, José Guadalupe (2002-10-01). "Geosaurus vignaudi n.sp. (Crocodyliformes: Thalattosuchia), first evidence of metriorhynchid crocodilians in the Late Jurassic (Tithonian) of central-east Mexico (State of Puebla)". Canadian Journal of Earth Sciences. 39 (10): 1467–1483. doi:10.1139/e02-060. ISSN0008-4077.