O.boweni (Fowler, 1930)
O.engrauloides (Nichols, 1923)
O.leleupi (Matthes, 1965)
O.loveridgii (Norman, 1922)
O.maculicauda (Pellegrin, 1926)
O.microcephalum (Gьnther, 1864)
O.microlepis (Gьnther, 1864)
O.peringueyi (Gilchrist & Thompson, 1913)
O.splendens (Taverne & De Vos, 1997)
O.tweddleorum (Skelton, 1996)
O.ubangiense (Pellegrin, 1901)
O.zambezense (Peters, 1852)