Pérez-Ben, Celeste M.; Gómez, Raúl O.; Báez, Ana M. (2019-04-04). "A new Pliocene true toad (Anura: Bufonidae): first record of an extinct species from South America". Journal of Vertebrate Paleontology (engelsk). 39: e1576183. doi:10.1080/02724634.2019.1576183. ISSN0272-4634. S2CID133110392.
Pérez-Ben, Celeste M.; Gómez, Raúl O.; Báez, Ana M. (2019-04-04). "A new Pliocene true toad (Anura: Bufonidae): first record of an extinct species from South America". Journal of Vertebrate Paleontology (engelsk). 39: e1576183. doi:10.1080/02724634.2019.1576183. ISSN0272-4634. S2CID133110392.
Pérez-Ben, Celeste M.; Gómez, Raúl O.; Báez, Ana M. (2019-04-04). "A new Pliocene true toad (Anura: Bufonidae): first record of an extinct species from South America". Journal of Vertebrate Paleontology (engelsk). 39: e1576183. doi:10.1080/02724634.2019.1576183. ISSN0272-4634. S2CID133110392.