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

<==o Brotulinae [1/5]
   |-- †Protobrotula L. Olig. Eu. 
   `--o Brotula Mioc. Plioc. Eu. R. Oc. [5]
      |-- B. barbata (Bloch & Schneider, 1801) (Bearded brotula)
      |-- B. clarkae Hubbs, 1944
      |-- B. multibarbata Temminck & Schlegel, 1846 (Goatsbeard brotula)
      |-- B. ordwayi Hildebrand & Barton, 1949 (Ordway's brotula)
      `-- B. townsendi Fowler, 1900 (Townsend's cusk eel)

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