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

<==o Psychrolutidae (pallosimput) [N: 7/29] [FB: 10/30]
   |?-o Ambophthalmos [3] [=? “Neophrynichthys” [Nelson, 1994]]
   |  |-- A. angustus (Nelson, 1977) Pale toadfish
   |  |-- A. eurystigmatephoros Jackson & Nelson, 1999
   |  `-- A. magnicirrus (Nelson, 1977)
   |?- Thecopterus aleuticus Smith, 1904
   |--o Cottunculinae [N: 5/12]
   |  |--o Cottunculus [6]
   |  |  |-- C. granulosus Karrer, 1968
   |  |  |-- C. microps Collett, 1875 (Polar sculpin)
   |  |  |-- C. nudus Nelson, 1989 (Bonyskull toadfish)
   |  |  |-- C. sadko Essipov, 1937
   |  |  |-- C. spinosus Gilchrist, 1906
   |  |  `-- C. thomsonii (Günther, 1882) (Pallid sculpin)
   |  |-- Dasycottus setiger Bean, 1890 (Spinyhead sculpin)
   |  |-- Eurymen gyrinus Gilbert & Burke, 1912 (Smooth-cheek sculpin)
   |  |--o Malacocottus [3]
   |  |  |-- M. gibber Sakamoto, 1930
   |  |  |-- M. kincaidi Gilbert & Thompson, 1905 (Blackfin sculpin)
   |  |  `-- M. zonurus Bean, 1890 (Darkfin sculpin)
   |  `?- “Neophrynichthys” [2] [Nelson, 1994]
   `--o Psychrolutinae [3/17]
      |--o Ebinania [3]
      |  |-- E. brephocephala (Jordan & Starks, 1903)
      |  |-- E. costaecanariae (Cervigón, 1961)
      |  `-- E. vermiculata Sakamoto, 1932
      |-- Neophrynichthys latus (Hutton, 1875) (Dark toadfish)
      `--o Psychrolutes [Cottunculoides, Gilbertidia] [11]
         |-- P. inermis (Vaillant, 1888)
         |-- P. macrocephalus (Gilchrist, 1904)
         |-- P. marcidus (McCulloch, 1926) (Blobfish)
         |-- P. marmoratus (Gill, 1888)
         |-- P. occidentalis Fricke, 1990 (Western Australian sculpin)
         |-- P. paradoxus Günther, 1861 (Tadpole sculpin)
         |-- P. phrictus Stein & Bond, 1978 (Blob sculpin)
         |-- P. pustulosus (Schmidt, 1937)
         |-- P. sigalutes (Jordan & Starks, 1895) (Soft sculpin)
         |-- P. sio Nelson, 1980
         `-- P. subspinosus (Jensen, 1902)

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