BCI: colombian, nicaraguan, central american, hogg island, corn island, (other island boas)

BCC: surinam, peruvian, guyanan, trinidad, brazilian

BCL (boa constrictor longicauda) peruvian long tail boas

BCA (boa constrictor amarali) short tail boa, brazilian/bolivian short tail, silverback boa (same names for two localities of one snake)

BCS (boa constrictor sabogae) rarest of the rare

BCO (boa constrictor occidentalis) argentine boa