Parent: Chaetura (Stiff-tailed swifts)

└─ Chaetura vauxi (Vaux's swift)

└─── Chaetura vauxi andrei (Ashy-tailed swift)

└─── Chaetura vauxi aphanes

└─── Chaetura vauxi gaumeri

└─── Chaetura vauxi ochropygia

└─── Chaetura vauxi richmondi

└─── Chaetura vauxi tamaulipensis

└─── Chaetura vauxi vauxi