After Carroll, 1988, and Nelson, 1994, with Recent species from Froese & Pauly, 2001 [“The Fishbase”]

<==o Thaumatichthyidae [N: 2/6] [FB: 2/7]
   |--o Lasiognathus [3]
   |  |-- L. beebei Regan & Trewavas, 1932
   |  |-- L. intermedius Bertelsen & Pietsch, 1996
   |  |-- L. saccostoma Regan, 1925
   |  `-- L. waltoni Nolan & Rosenblatt, 1975
   `--o Thaumatichthys [Amacrodon] ()? [3]
      |-- T. axeli (Bruun, 1953)
      |-- T. binghami Parr, 1927
      `-- T. pagidostomus Smith & Radcliffe, 1912

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