BrachionopusBrachionopus is a genus of South African tarantulas that was first described by Reginald Innes Pocock in 1897. It was transferred to the Theraphosidae from the Barychelidae in 1985.All described species are endemic to South Africa.Species, this genus includes four species:Brachionopus annulatus Purcell, 1903Brachionopus pretoriae Purcell, 1904Brachionopus robustus Pocock, 1897 Brachionopus tristis Purcell, 1903