de Valais, Silvina. “Ichnotaxonomic Revision of Ameghinichnus, a Mammalian Ichnogenus from the Middle Jurassic La Matilde Formation, Santa Cruz Province, Argentina”. Zootaxa 2203, no. 1 (August 19, 2009): 1–21. Accessed May 2, 2025. https://www.mapress.com/zt/article/view/zootaxa.2203.1.1.