Matrosova VA, IVANOVA AD, Volodina EV, m.fl. Phylogenetic relationship and variation of alarm call traits of populations of red?cheeked ground squirrels (               Spermophilus erythrogenys               sensu lato) suggest taxonomic delineation.  2019. Available at: https://onlinelibrary.wiley.com/toc/17494877/14/4.

Rojas D, Lima APimentel. A name for the nurse-frog (Allobates, Aromobatidae) of Floresta Nacional de Carajás, Eastern Brazilian Amazonia. Zootaxa. 2019;4550(1):71. Available at: https://biotaxa.org/Zootaxa/issue/view/zootaxa.4550.1https://biotaxa.org/Zootaxa/article/view/zootaxa.4550.1.3.

Shaw KL. A nested analysis of song groups and species boundaries in the Hawaiian cricket genus Laupala. Mol Phylogenet Evol. 1999;11(2):332-41.