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A new species of milk frog of the genus trachycephalus tschudi (anura, hylidae) from the amazonian rainforest
  • Universidade Federal do Amazonas (UFAM)
  • Universidade Estadual de Campinas (UNICAMP)
  • Fed Univ Para
  • Univ Fed Mato Grosso
  • Univ Reg Cariri
  • Universidade Estadual Paulista (UNESP)
  • Universidade Federal do Rio de Janeiro (UFRJ)
  • Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
  • Fundação de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ)
  • Smithsonian Institution (Washington DC, USA)
  • Universidade Federal do Para (UFPA)
  • MPEG
  • Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
We describe a new species of Trachycephalus from the Amazon Rain Forest, which is morphologically similar to T. resinifictrix (Goeldi). This new species is characterized by a medium body size for species in the genus (males snout-vent length [SVL] 57.9-74.3 mm, females SVL 74.4-84.9 mm); skin of the head not co-ossified with underlying dermal bones; dorsal skin texture, including that of the head, densely glandulous with several tubercles; paired vocal sac that protrudes at a posterior angle to the jaw when inflated; iris coloration pinkish-beige with a horizontal black bar and a vertical thin black line below the pupil; dorsal color pattern consisting of a wide interocular whitish-beige and a dark blotch on the middle of the dorsum joining the crossbar at the top of the dorsum, forming a T shape; rounded snout in dorsal view, and rounded or acuminate in profile; well-developed supratympanic fold; ulnar tubercles present, sometimes associated with ulnar fold; well-developed axillary membrane; well-developed tarsal fold; males with nonhypertrophied forearm; minimum frequencies of the advertisement call lower than 0.38 kHz; pulse rate 126.7-146.6 pulses/s; tadpole external coloration with brown reticulated blotches in the superior portion of the fin; tooth row formulae 2(2)/4. The new species, which is widely distributed in the Amazonian Forest, has been confused with the parapatric T. resinifictrix. It is a canopy treefrog that breeds in tree-holes that have accumulated rainwater.
Issue Date: 
Herpetologica. Emporia: Herpetologists League, v. 69, n. 4, p. 466-479, 2013.
Time Duration: 
Herpetologists League
  • Canopy treefrog
  • Hylinae
  • Lophiohylini
  • Taxonomy
  • Trachycephalus cunauaru
  • Trachycephalus resinifictrix
  • Tree-holes
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Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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