Hyla bivocata Duellman and Hoyt, 1961, Copeia, 1961: 414. Holotype: KU 58446, by original designation. Type locality: "a small stream above (6.2 kilometers by road south of) Rayón Mescalapa, Chiapas, México, elevation 1690 meters".
Hyla bivocata oaxacae Lynch In Smith, Langebartel, and Williams, 1964, Illinois Biol. Monogr., 32: 33. Nomen nudum.
Hyla melanomma bivocata — Duellman, 1966, Univ. Kansas Publ. Mus. Nat. Hist., 17: 272.
Exerodonta bivocata — Faivovich, Haddad, Garcia, Frost, Campbell, and Wheeler, 2005, Bull. Am. Mus. Nat. Hist., 294: 101.
Chiapan Highlands Treefrog (Liner, 1994, Herpetol. Circ., 23: 23; Liner and Casas-Andreu, 2008, Herpetol. Circ., 38: 13).
Atlantic slopes of Oaxaca and Chiapas in southern Mexico.
Placed in the Hyla pinorum group and elevated from subspecies status under Hyla melanomma by Campbell and Duellman, 2000, Sci. Pap. Nat. Hist. Mus. Univ. Kansas, 16: 8, where it had been placed by Duellman, 1966, Univ. Kansas Publ. Mus. Nat. Hist., 17: 272. See account (as Hyla melanomma bivocata) by Duellman, 1970, Monogr. Mus. Nat. Hist. Univ. Kansas: 402-403. In the Hyla miotympanum group of Duellman, 2001, Hylid Frogs Middle Am., Ed. 2: 915-917, who provided an account. In Exerodonta, but unnassigned to species group by Faivovich, Haddad, Garcia, Frost, Campbell, and Wheeler, 2005, Bull. Am. Mus. Nat. Hist., 294: 101.
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