15 
Anomalepis mexicanus Jan, 1860. Nicaragua, Costa Rica, Panama. 
Helminthophis frontalis Peters, 1860. Costa Rica, Panama. 
Liotyphlops albirostris (Peters, 1857). Costa Rica, Panama, 
Colombia, Venezuela, Ecuador, Curacao. 
Liotyphlops rowani Smith and Grant, 1958. Panama. 
B. Boidae(6 species) 
Boa constrictor Linnaeus, 1758. Mexico to Argentina, Trinidad, 
Tobago. CITES Appendix II. 
Corallus annulatus (Cope, 1875). Nicaragua to Ecuador. CITES 
Appendix II. 
Corallus enydris (Linnaeus, 1758). Nicaragua to Ecuador and Peru, 
Trinidad, Windward Islands. CITES Appendix II. 
Epicrates cenchria (Linnaeus, 1758). Costa Rica to Argentina, 
Trinidad, Tobago. CITES Appendix II. 
Trachyboa boulengeri Peracca, 1910. Panama, Colombia, Ecuador. 
CITES Appendix II. 
Ungaliophis panamensis Schmidt, 1933. Nicaragua, Costa Rica, 
Panama, Colombia. CITES Appendix II. 
C. Colubridae (99 species) 
Amastridium veliferum Cope, 1861. Atlantic and Pacific slopes of 
Mexico (from Neuvo Leon and Chiapas), Guatemala, Belize, 
Honduras, Nicaragua, Costa Rica, Panama. 
Atractus clarki Dunn and Bailey, 1939. Panama (known from the 
type locality only-Darien Province, Santa Cruz de Cana 
mine). 
Atractus crassicaudatus Dumeril, Bibron, and Dumeril, 1854. 
Panama, Colombia, Venezuela. 
Chironius carinatus (Linnaeus, 1758). Nicaragua to Brazil and 
Argentina, Trinidad, Guadalupe, San Vicenti I. 
Chironius exoletus (Linnaeus, 1758). Costa Rica, Panama, 
Colombia, Brazil, Argentina (northeast). 
Chironius fuscus (Linnaeus, 1758). Panama, Colombia, Venezuela, 
Surinam, Brazil, Bolivia (northern), Peru (eastern), 
Ecuador (eastern). 
Chironius grandisquamis (Peters, 1868). Honduras, Nicaragua, 
Costa Rica, Panama, Colombia, Ecuador (northeast). 
Clelia clelia (Daudin, 1803). Mexico to Ecuador (northwest), 
Argentina (northern). 
Clelia equatoriana (Amaral, 1924). Panama, Colombia, Ecuador. 
Clelia scytalina (Cope, 1866). Mexico to Colombia. 
Coniophanes bipunctatus (Gunther, 1858). Mexico to Panama 
(Darien) 
Coniophanes fissidens (Gunther, 1858). Mexico to Ecuador. 
Coniophanes joanae Myers, 1966. Panama (eastern highlands). 
Conophis lineatus (Dumeril, Bibron, and Dumeril, 1854). Mexico to 
Panama (Code Province) , Colombia (?) . 
Dendrophidion nuchale (Peters, 1863). Belize to Colombia, 
Venezuela, Ecuador. 
Dendrophidion paucicarinatum (Cope, 1894). Costa Rica, Panama 
