Thamnocephalidae is a family of crustaceans with wide distribution including Western Australia and Southern Africa. It was originally described as a subfamily of Branchipodidae by Alpheus Spring Packard in 1883, and elevated to the rank of family by Simon in 1886. Six genera are recognised, in two subfamilies: Thamnocephalinae \n* Thamnocephalus Packard, 1879 \n* Carinophallus Rogers, 2006Branchinellinae \n* Dendrocephalus Daday, 1908 \n* Phallocryptus Birabén, 1951 \n* Spiralifrons Dixon, 2010 \n* Branchinella Sayce, 1903