Distribution: Trinidad, the Guianas, and eastern Venezuela. 
A. ventrimaculatus Boulenger. Type-locality: Fuqueros, Estado 
de Merida, fide Roze, 1966, Taxon. Zoogeog. Ofid. 
Venezuela. Distribution: Venezuela, fide Roze, op. cit. 
1979 A. zidoki Gasc & Rodrigues, Bull. Mus. Nat. Hist. Nat. (Paris) 
(4,A)1(2):548. Type-locality: French Guiana: 
Trois-Sauts, Haut Oyapock. Distribution: French Guiana 
and eastern Para, Brasil. 
Boa Linnaeus, 1758. 
B. constrictor sabogae (Barbour). Type-locality: Panama, Pearl 
Island group, Saboga Island, incorrectly changed by 
Peters & Orejas-Miranda. 
Bothrops Wagler, 1824. 
Identification of South American Bothrops frequently depends on 
color pattern; reliably identified specimens and good photographs 
should be used to check identification. New checklist provided by 
Hoge & Romano-Hoge, 1981, Mem. Inst. Butantan [1978/79] 42/43: 
179-310. Matrix error: B. brazili, 26 dorsal scalerows in holotype. 
B. atrox (Linnaeus). 
1845 Trigonocephalus colombiensis Hallowell, Proc. Acad. Nat. 
Sci. Philadelphia 1845:246. Type-locality: "Republic of 
Colombia, within two hundred miles of Caracas". 
Comment: Sandner-Montilla (1979, Mem. Cient. Ofidiol. 
3:1-7). reduced B. colombiensis to synonymy of 
lanceolatus and described B. lanceolatus aidae; Johnson 
& Dixon 1984, J. Herpetol. 18(3):329-332 reduced 
colombiensis to synonymy of atrox. 
B. brazili Hoge. Distribution: also Ecuador (USNM) and 
northern Peru (MVZ, USNM). 
B. castelnaudi castelnaudi D.,B. & D. Comment: Hoogmoed & 
Gruber, 1983, Spixiana Suppl. 9:337, synonymized 
castelnaudi with taeniatus Wagler, a species for which 
no holotype is extant. 
Distribution: equatorial forest of Brazil, Venezuela, 
Colombia, Ecuador, Peru and Bolivia; also French Guiana, 
fide Gasc and Rodrigues, 1980, Bull. MNHN, Paris 
(4)2:559-98. 
B. castelnaudi lichenosus Roze. 
1958 Bothrops lichenosus Roze, Acta Biol. Venezuela 2:308. 
Type-locality: Chimanta Tepui, Estado Bolivar, 
Venezuela. 
Bothrops castelnaudi Sandner-Montilla, 13:76, Mem. Cien. 
OL Pd tol. 271: 
Bothrops castelnaudi lichenosus Hoge and Romano-Hoge, 
1981, Mem. Inst. Butantan [1978/79] 42/43:205. 
Distribution: Known only from type locality. 
colombiensis (Hallowell) = B. atrox. 
eneydae Sandner-Montilla, Mem. Cien. Ofidiol. 1:l. 
Type-locality: Kavanayen, Estado Bolivar, Venezuela. 
Distribution: known only from type locality. 
1979 B. isabelae Sandner-Montilla, Mem. Cien. OFT tol. 4: 3. 
Type-locality: 7 km SE Guanare, Estado Portuguesa, 
Be 
1976 B. 
