A Second Species of Trachycephalus Tschudi (Anura: Hylidae) with a Single Vocal Sac from the Brazilian Amazon

被引：8

作者：

Nunes, Ivan ^{[1
]}

Suarez, Pablo ^{[2
]}

Gordo, Marcelo ^{[3
]}

Pombal, Jose P., Jr. ^{[1
]}

机构：

[1] Univ Fed Rio de Janeiro, Dept Vertebrados, Museu Nacl, BR-20940040 Rio De Janeiro, RJ, Brazil

[2] Fed Univ Para, Ctr Ciencias Biol, BR-66075110 Belem, Para, Brazil

[3] Univ Fed Amazonas, Inst Ciencias Biol, BR-69077000 Manaus, Amazonas, Brazil

来源：

COPEIA | 2013年 / 04期

关键词：

DIFFERENTIATION; RIVER;

D O I：

10.1643/CH-12-102

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

A new species of Trachycephalus from the Brazilian Amazon Rain Forest, morphologically similar to T. hadroceps (Duellman and Hoogmoed), is described. This new species is characterized by having the skin not co-ossified with the skull; skin on dorsum bearing many low and medium round tubercles; a vocal sac not externally visible; well-developed paratoid gland; snout rounded in profile; third finger disc almost the same size of the eye; absence of tarsal fold; iris pinkish-beige with a horizontal dark gray bar; dorsal color pattern in life light brownish-orange with scattered brown dots. Trachycephalus hadroceps is restricted to the left margin (north) of the Amazon River, in the Guiana Shield, and possibly in the adjacent Brazilian Amazon Rain Forest, and the new species occurs on the right margin (south) of the Amazon River. It is a canopy treefrog, which probably uses treeholes filled with water as breeding sites.

引用

页码：634 / 640

页数：7

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