17 
Leptophis ahaetulla (Linnaeus, 1758). S.E. Mexico to Argentina, 
Brazil, Guyana, Trinidad, Tobago. 
Leptophis depressirostris (Cope, 1861). Atlantic versant of 
Nicaragua, Costa Rica, Panama, Colombia and Ecuador (Pacific 
versants). 
Leptophis riveti Despax, 1910. Costa Rica, Panama, Colombia, 
Ecuador, Peru, Trinidad. 
Liophis epinephelus (Cope, 1862). Costa Rica, Panama, Colombia, 
Venezuela, Ecuador, Peru. 
Liophis lineatus (Linnaeus, 1758). Panama, Colombia, Venezuela, 
the Guianas, Brazil, Ecuador. 
Masticophis mentovarius (Dumeril, Bibron and Dumeril, 1854). 
Mexico to Colombia, Venezuela. 
Ninia atrata (Hallowell, 1845). Honduras, El Salvador, Costa 
Rica, Panama, Colombia, Venezuela, Ecuador, Trinidad. 
Ninia maculata (Peters, 1861). Guatemala to Panama (Darien 
Province). 
Ninia psephota (Cope, 1875). Costa Rica (Cordillera de 
Talamanca), Panama (to Chiriqui Province-Volcan de 
Chiriqui). 
Nothopsis rugosus Cope, 1871. Honduras, Nicaragua, Costa Rica, 
and Panama (Atlantic versants), Colombia and Ecuador 
(Pacific versants). 
Oxybelis aeneus (Wagler, 1824). United States (Arizona) to Peru, 
Bolivia, Paraguay, Argentina (northern). 
Oxybelis brevirostris (Cope, 1861). Nicaragua, Costa Rica, and 
Panama (Atlantic versants), Colombia and Ecuador (Pacific 
versants). 
Oxybelis fulgidus (Daudin, 1803). Mexico to Surinam, Brazil, 
Argentina. 
Oxyrhopus petola (Linnaeus, 1758). Mexico to Colombia, 
Venezuela, Surinam, Trinidad, Brazil, Ecuador (northwest), 
Peru, Bolivia. 
Phimophis guianensis (Troschel, 1848). Panama (Code Province), 
Colombia, Venezuela, Surinam. 
Pliocercus euryzonus Cope, 1862. Guatemala, Honduras, Nicaragua, 
Costa Rica, Panama, Colombia, Ecuador, Brazil. 
Pseudoboa neuwiedii (Dumeril, Bibron, and Dumeril, 1854). Panama 
(Pacific versant, just W of Panama Canal), Colombia, Surinam 
Trinidad, Tobago, Brazil. 
Pseustes poecilonotus (Gunther, 1858). Mexico (Isthmus of 
Tehuantepec and Yucatan) to Colombia, Venezuela, Guyana, 
Surinam, French Guiana, Trinidad, Brazil, Ecuador, Peru, 
Bolivia. 
Pseustes shropshirei (Barbour and Amaral, 1924). Panama, Colombia 
and Ecuador (Pacific versants). 
Rhadinaea calligaster (Cope, 1875). Costa Rica, Panama 
(extreme western-Cordillera de Talamanca). 
Rhadinaea decipiens (Gunther, 1893). Costa Rica, Panama, Colombia 
(northern). 
Rhadinaea decorata (Gunther, 1858). Mexico (Veracruz) to 
Colombia, Ecuador (northern). 
Rhadinaea fulviceps Cope, 1886. Panama (central and eastern 
lowlands), Colombia, Ecuador. 
