Galtiera C.B.Beck & W.E.Stein, 1987 genus doubtful

Calamopteris Unger, 1856 genus accepted

Calamopitys Unger, 1856 genus accepted

Buteoxylon P.D.W.Barnard & A.G.Long, 1973 genus accepted

Bostonia W.E.Stein & C.B.Beck, 1978 genus doubtful

Stenomyelon Kidston, 1909 genus accepted

Triradioxylon P.D.W.Barnard & A.G.Long, 1975 genus doubtful

Kalymma Unger, 1856 genus accepted

Calamosyrinx Unger, 1856 genus doubtful