Diastobranchus capensis Barnard, 1923
Haptenchelys texis Robins & Martin, 1976
Histiobranchus australis (Regan, 1913)
Histiobranchus bathybius (Günther, 1877)
Histiobranchus bruuni Castle, 1964
Histiobranchus infernalis Gill, 1883 accepted as Histiobranchus bathybius (Günther, 1877)
Synaphobranchus affinis Günther, 1877
Synaphobranchus bathybius Günther, 1877 accepted as Histiobranchus bathybius (Günther, 1877)
Synaphobranchus brevidorsalis Günther, 1887
Synaphobranchus capensis (Barnard, 1923) accepted as Diastobranchus capensis Barnard, 1923
Synaphobranchus infernalis (Gill, 1883) accepted as Histiobranchus bathybius (Günther, 1877)
Synaphobranchus kaupi Johnson, 1862 accepted as Synaphobranchus kaupii Johnson, 1862
Synaphobranchus kaupii Johnson, 1862
Synaphobranchus oregoni Castle, 1960