  boa is a genus of non-venomous boas found in mexico, central and south america. one species is currently recognized. common names include: boas, boa constrictors. the largest extant member of this group, b. constrictor, ==geographic range== found in mexico, central america, and south america. ==species== boa is a monotypic genus, represented by the species boa constrictor linnaeus, 1758. this snake has been reported to grow to a maximum of 14 feet (4.3&nbsp;m) in length.mehrtens jm. 1987. living snakes of the world in color. new york: sterling publishers. 480 pp. isbn 0-8069-6460-x. numerous subspecies are currently recognised. ==distribution== northern mexico through central america (belize, guatemala, honduras, el salvador, nicaragua, costa rica and panama) to south america north of 35Â°s (colombia, ecuador, peru, venezuela, guyana, suriname, french guiana, brazil, bolivia, uruguay and argentina. also in the lesser antilles (dominica and st. lucia), on san andrÃ©s, providencia and many other islands along the coasts of mexico and central and south america.mcdiarmid rw, campbell ja, tourÃ© t. 1999. snake species of the world: a taxonomic and geographic reference, vol. 1. herpetologists' league. 511 pp. isbn 1-893777-00-6 (series). isbn 1-893777-01-4 (volume). ==taxonomy== kluge (1991) moved the genera sanzinia and acrantophis into boa, based on a phylogeny derived from morphological characters.kluge ag. 1991. boine snake phylogeny and research cycles. misc. pub. museum of zoology, univ. of michigan no. 178. 58 pp. however, it has since been shown that the malagasy boids and boa constrictor do not form a monophyletic group, and the lumping of sanzinia, acrantophis and boa was, therefore, an error. these snakes are therefore correctly represented in their own gener
Boinae