Allophryne ruthveni Gaige, 1926

Holotype: UMMZ 63419.

Type locality: “Tukeit Hill, below Kaiteur Falls, British Guiana.”

Distribution: Widely distributed in the Amazonian Region of Venezuela, Guyana, and Suriname into central Brazil. Regions 4 and 5. In Venezuela, known from several localities south of the Orinoco River, in states Amazonas (Surumoni) and Bolívar (upper Caura River, upper Paragua River, Sierra de Imataca, San Martín de Turumbán, Cuyuní, upper Uey River). See Duellman (1997); Barrio-Amorós (1998); Señaris and Rivas (2008), and Señaris et al. (2009).

Remarks: Until recently, Allophryne was considered a monotypic genus, containing only A. ruthveni . Two additional species have been described: A. resplendens from the upper Amazon in Peru (Castroviejo-Fisher et al. 2012) and A. relicta from the Mata Atlantica Forest in Brazil (Caramaschi et al. 2013).

Selected references: Lynch and Freeman (1966); Hoogmoed (1969); Rivero et al. (1986); Duellman (1997); Caldwell and Hoogmoed (1998); Fabrezi and Langone (2000); Señaris and Rivas (2008); Señaris et al. (2009); Castroviejo-Fisher et al. (2012); Caramaschi et al. (2013).