Atelognathus nitoi (Barrio, 1973)

Class: Amphibia > Order: Anura > Family: Batrachylidae > Genus: Atelognathus > Species: Atelognathus nitoi

Telmatobius nitoi Barrio, 1973, Physis, Buenos Aires, 32: 208. Holotype: CHINM 4621, by original designation; now in MACN. Type locality: "Río Challhuaco, cerro Blanco, Parque Nacional Nahuel Huapi, Bariloche, Río Negro, Argentina".

Atelognathus nitoiLynch, 1978, Occas. Pap. Mus. Nat. Hist. Univ. Kansas, 72: 1-57.

Atelognathus salai Cei, 1984, Herpetologica, 40: 47. Holotype: KU 192116, by original designation. Type locality: "Andean slopes facing Mount ap Iwan, ca. 1100 m, 16 km south of Portezuelo, northern border of Lago Buenos Aires, Provincia de Santa Cruz, Argentina, 46° 08′ S lat., 71° 42′ W long." Synonymy by Barrasso and Basso, 2019, J. Zool. Syst. Evol. Res., 57: 383. 

Atelognathus ceii Basso, 1998, Herpetologica, 54: 45. Holotype: MLP A.1198, by original designation. Type locality: "1 km W La Tapera, Region XI, Chile; 15 km N Argentinian border, and 60 km W (by road) of the international pass Río Cisnes-Río Frias, 44° 38′ S, 71° 41′ W, 450 m elevation". Synonymy by Barrasso and Basso, 2019, J. Zool. Syst. Evol. Res., 57: 383. 

Atelognathus jeinimenensis Meriggio, Veloso, Young, and Nuñez, 2004, Bol. Mus. Nac. Hist. Nat., Santiago, 53: 102. Holotype: MNHNC 3705, by original designation. Type locality: "en la Reserva Nacional Lago Jeinimeni (46° 49′ 59.6 S, 71° 59′ 57.3 W)", Chile. Synonymy with Atelognathus salai by Díaz-Páez, Vidal-Maldonado, Ortiz, Úbeda, and Basso, 2011, Zootaxa, 2880: 20; with Atelognathus nitoi by Barrasso and Basso, 2019, J. Zool. Syst. Evol. Res., 57: 383. 

English Names

Rio Negro Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 70).

Portezuelo Frog (Atelognathus salai [no longer recognized]: Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 70).

Distribution

Known from the temperate forests of Chile (Región de Aysén; Reserva Nacional Lago Jeinimeni; Cerro Castillo, Coihaique Alto and Chile Chlco, XI Región)) and adjacent Argentina (Cerro Chalhuanco, Parque Nacional Nahuel Huapi, Bariloche, Río Negro; Lago General Vintter, Chubut province; Laguna de los Gendarmes, northern border of Lago Buenos Aires, Santa Cruz province, with the southernmost  population  is know from Paso Roballos, Santa Cruz province, Argentina), 500 to 1500 m elevation.   

Comment

See account (as Telmatobius nitoi) by Cei, 1980, Monit. Zool. Ital., N.S., Monogr., 2: 243-244. Díaz-Páez, Vidal-Maldonado, Ortiz, Úbeda, and Basso, 2011, Zootaxa, 2880: 20-30, discussed the systematics and range of nominal Atelognathus salai. See photograph, map, description of geographic range and habitat, and conservation status of nominal Atelognathus salai in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 296. Scolaro, Martinazzo, and Basso, 2008, Herpetol. Rev., 39: 232-233, provided the southernmost record (as Atelognathus jeinimenensis), from Paso Roballos, Santa Cruz province, Argentina. See statement of geographic range, habitat, and conservation status (as Atelognathus nitoi and Atelognathus jeinimenensis) in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 618. See Lobos, Vidal-Maldonado, Correa-Quezada, Labra-Lillo, Díaz-Páez, Charrier, Rabanal, Díaz, and Tala, 2013, Anf. Chile Conserv. 1–104, for photograph, comments on conservation status, and range (as Atelognathus salai and Atelognathus ceii). See Raimilla, 2015, Bol. Chil. Herpetol., 2: 22–23, for a new locality and discussion of the range (as Atelognathus salai). Barrasso and Basso, 2019, J. Zool. Syst. Evol. Res., 57: 383–399, revised the species based on morphology and DNA evidence. 

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