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

<==o Hemitripteridae [Hemitripetridae lapsus calami] [3/8]
   |--o Blepsias [2]
   |  |-- B. bilobus Cuvier, 1829 (Crested sculpin)
   |  `-- B. cirrhosus (Pallas, 1811) (Silverspotted sculpin)
   |--o Hemitripterus [N: 3] [FB: 4]
   |  |-- H. americanus Cuvier, 1829 (Sea raven)
   |  |-- H. bolini (Myers, 1934) (Bigmouth sculpin)
   |  |-- H. cavifrons Lockington, 1880
   |  `-- H. villosus (Pallas, 1814)
   `--o Nautichthys [3]
      |-- N. oculofasciatus (Girard, 1858) (Sailfin sculpin)
      |-- N. pribilovius (Jordan & Gilbert, 1898) (Eyeshade sculpin)
      `-- N. robustus Peden, 1970 (Shortmast sculpin)

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