Damián Ruiz-Ramoni; Francisco Juan Prevosti; Saverio Bartolini Lucenti; Marisol Montellano-Ballesteros; Ana Luisa Carreño (2020). "The Pliocene canid Cerdocyon avius was not the type of fox that we thought". Journal of Vertebrate Paleontology. 40 (2): e1774889. डीओआइ:10.1080/02724634.2020.1774889.