40 



Tomodon ocellatus Dumeril, Bibron et Dumeril 1854 



Tomodon ocellatiim Dumeril, Bibron et Dumeril, 1854. Erp. Gen. 7: 938. 



Tomodon ocellatus Boulenger, 1896. Cat. Snakes Brit. Mus. Nat. Hist. 3:121. 

 Type locality: Brazil. 



Distribution: Buenos Aires, Cordoba, Corrientes, Entre Rios, La Pampa, Santa Fe (Tiranti & Avila, 1997; 

 Giraudo & Quaini, 1997). Also in southern Brazil, Paraguay and Uruguay (Achaval & Olmos, 1997). 

 Pampeana and Espinal provinces. 



Comments: Previously cited in Misiones (Gallardo, 1986); however, no specimens from this province were 

 found in the revision (Giraudo, 1997). 



Waglerophis Romano & Hoge 1972 



Waglerophis Romano & Hoge, 1972. Mem. Inst. Butantan 36: 209. 

 Type species: Ophis merremii Wagler, 1824, by monotypy and original designation. 



Waglerophis merremi (Wagler 1824) 



Ophis merremii Wagler, 1824. In Spix, Spec. Nov. Serp. Bras.: 47. 



Xenodon merremi Fitzinger, 1826. Neue Classif. der Reptilien: 57 



Xenodon irregularis Gunther, 1863. Ann. Mag. Nat. Hist. (3) 12: 354. 



Xenodon merremi Koslowsky, 1898. Rev. Mus. La Plata 8: 193. 



Trigonocephalus flavescens Bacque, 1906. Rev. Mus. La Plata 12: 114. 



Trigonocephalus alternatus binocularius Bacque, 1906. Rev. Mus. La Plata 12: 115. 



Ophis merremii Serie, 1936. Inst. Mus. Univ. La Plata Obra Cincuentenario: 44. 



Xenodon merremii Peters & Orejas Miranda, 1970. Bull. U. S. Nat. Mus. 297 I: 324. 



Waglerophis merremii Romano & Hoge, 1972. Mem. Inst. Butantan 36:209. 

 Type locality: Bahia, Brazil. 



Distribution: Buenos Aires; Catamarca, Cordoba, Corrientes, Chaco, Entre Ri'os, Formosa, Jujuy, La Rioja, 

 Misiones, Salta, San Juan, San Luis, Santa Fe, Santiago del Estero and Tucuman (Vuotol995, 1996a; 

 Giraudo, 1997; Giraudo & Quaini, 1997). Also a large distribution in South America, from Guyanas and 

 Brazil to Bolivia and Paraguay. Paranaense, Yungas, Chaquena, Espinal provinces and bordering areas of 

 Pampeana province. 



Xenodon Boie, 1827 



Xenodon Boie, 1827. In Schlegel, Isis von Oken 20: 293. 



Acanthophallus Cope, 1893. Amer. Nat. 27: 482. 

 Type species: Coluber severus Linnaeus, 1758. Syst. Nat. 10: 219. 



Xenodon neuwiedii (Gunther, 1863) 

 Xenodon Neuwiedii Gunther, 1863. Ann. Mag. Nat. Hist. (3) 12: 354, pi. 5, fig. C. 

 Xenodon neovidii Cope, 1868 (emendation to neuwiedii Gunther). Proc. Acad. Nat. Sci. Phila. 

 1868: 133. 



Xenodon hemileucurus Lutz & Mello, 1922. Folha Medica 3 (1920): 98. 

 Type locality: Rio de Janeiro, Brazil. 



Distribution: Misiones (Koslowsky, 1898; Serie, 1936; Giraudo & Abramson, 1994; Giraudo, 1997). Also 

 in central Brazil and eastern Paraguay. Paranaense province. 



Comments: Previous authors mentioned the species in Corrientes (Koslowsky, 1898; Serie, 1936); but we 

 found no voucher specimen from this province and it is not included in recent lists (Alvarez et al., 1996; 

 Giraudo, 1997). As Cei (1993) mentioned, it should be confirmed with vouchers. 



Family Viperidae 



Bothrops Wagler, 1824 

 Bothrops Wagler, 1824. In Spix, Sp. Nov. Serp. Bras.: 50. 

 Bothriechis Peters, 1859. Monats. Akad. Wiss. Berlin, 1859: 278. 

 Teleuraspis Cope, 1860. Proc. Acad. Nat. Sci. Phila., 1859: 338. 



