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

<==o Opistognathidae (jawfishes) [N: 3/90] [FB: 3/39]
   |--o Lonchopisthus [Lonchistum] [4]
   |  |-- L. higmani Mead, 1959
   |  |-- L. lemur (Myers, 1935)
   |  |-- L. micrognathus (Poey, 1860) (Swordtail jawfish)
   |  `-- L. sinuscalifornicus Castro-Aguirre & Villavicencio-Garayzar, 1988 (Longtailed jawfish)
   |--o Stalis [3]
   |  |-- S. davidsheni Klausewitz, 1985
   |  |-- S. histrio Jordan & Snyder, 1902
   |  `-- S. omanensis Norman, 1939 (Oman jawfish)
   `--o Opisthognathus [32]
      |-- O. aurifrons (Jordan & Thompson, 1905) (Yellowhead jawfish)
      |-- O. brasiliensis Smith-Vaniz, 1997 (Darkfin jawfish)
      |-- O. castelnaui Bleeker, 1859-60
      |-- O. cuvieri Valenciennes, 1836 (Bartail jawfish)
      |-- O. decorus Smith-Vaniz & Yoshino, 1985
      |-- O. evermanni (Jordan & Snyder, 1902)
      |-- O. galapagensis Allen & Robertson, 1991 (Galapagos jawfish)
      |-- O. gilberti Böhlke, 1967 (Yellow jawfish)
      |-- O. hopkinsi (Jordan & Snyder, 1902)
      |-- O. iyonis (Jordan & Thompson, 1913)
      |-- O. jacksoniensis Macleay, 1881 (Smiler
      |-- O. latitabundus (Whitley, 1937) (Blotched jawfish)
      |-- O. leprocarus Smith-Vaniz, 1997 (Roughcheek jawfish)
      |-- O. liturus Smith-Vaniz & Yoshino, 1985
      |-- O. lonchurus (Jordan & Gilbert, 1882) (Moustache jawfish)
      |-- O. macrognathus Poey, 1860 (Banded jawfish)
      |-- O. margaretae Smith-Vaniz, 1984 (Halfscaled jawfish)
      |-- O. maxillosus Poey, 1860 (Mottled jawfish)
      |-- O. melachasme Smith-Vaniz, 1972 (Yellowmouth jawfish)
      |-- O. mexicanus Allen & Robertson, 1991 (Mexican jawfish)
      |-- O. muscatensis Boulenger, 1887 (Robust jawfish)
      |-- O. nigromarginatus Rüppell, 1830 (Birdled jawfish)
      |-- O. nothus Smith-Vaniz, 1997
      |-- O. panamaensis Allen & Robertson, 1991 (Panamanian jawfish)
      |-- O. papuensis (Bleeker, 1808) (Papuan jawfish)
      |-- O. punctatus Peters, 1869 (Finespotted jawfish)
      |-- O. rhomaleus Jordan & Gilbert, 1882 (Giant jawfish)
      |-- O. robinsi Smith-Vaniz, 1997 (Spotfin jawfish)
      |-- O. rosenblatti Allen & Robertson, 1991 (Blue-spotted jawfish)
      |-- O. scops (Jenkins & Evermann, 1889) (Bullseye jawfish)
      |-- O. signatus Smith-Vaniz, 1997
      `-- O. whitehurstii (Longley, 1927) (Dusky jawfish)

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