Branchia (arachnid)Branchia is a genus of ammotrechid camel spiders, first described by Martin Hammond Muma in 1951.Species, the World Solifugae Catalog accepts the following three species:Branchia angustus Muma, 1951 — US Branchia brevis Muma, 1951 — US Branchia potens Muma, 1951 — Mexico, US