Kingdom: Animalia
Subkingdom: Bilateria
Infrakingdom: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclass: Tetrapoda
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Infraorder: Alethinophidia
Family: BoidaeBoa constrictor amarali — Amarai's boa constrictor
Boa constrictor constrictor — red-tailed boa constrictor
Boa constrictor imperator — common Northern boa constrictor
Boa constrictor longicauda — Tumbes Peru boa constrictor
Boa constrictor mexicana — Mexican boa constrictor
Boa constrictor nebulosa — Dominican clouded boa constrictor
Boa constrictor occidentalis — Argentine boa constrictor
Boa constrictor orophias — St. Lucia boa constrictor
Boa constrictor ortonii — Orton's boa constrictor
Boa constrictor sabogae — Pearl Island boa constrictor