Scinax arduous Peixoto, 2002, Bol. Mus. Biol. Mello Leitão, N.S., 13: 8. Holotype: WCAB 44833, by original designation. Type locality: "Estado do Espírito Santo, Santa Teresa", Brazil.
None noted.
Known only from the type locality (Santa Teresa, Espírito Santo, Brazil).
In the Scinax perpusillus group according to the original publication. In the Scinax catharinae clade, Scinax perpusillus group of Faivovich, Haddad, Garcia, Frost, Campbell, and Wheeler, 2005, Bull. Am. Mus. Nat. Hist., 294: 96.
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