After Froese & Pauly, 2001 [‘The FishBase”]

<==o Acanthurus Forsskål, 1775, M. Eoc. Mioc. Eu. R. Oc. (surgeonfishes; välskärikalat)
   |-- †A. ovalis
   |-- A. achilles Shaw, 1803 (Achilles tang)
   |-- A. albipectoralis Allen & Ayling, 1987 (Whitefin surgeonfish)
   |-- A. auranticavus Randall, 1956 (Orange-socket surgeonfish)
   |-- A. bahianus Castelnau, 1855 (Ocean surgeon)
   |-- A. bariene Lesson, 1831 (Black-spot surgeonfish)
   |-- A. blochii Valenciennes, 1835 (Ringtail surgeonfish)
   |-- A. chirurgus (Bloch, 1787) (Doctorfish)
   |-- A. chronixis Randall, 1960 (Chronixis surgeonfish)
   |-- A. coeruleus Bloch & Schneider, 1801 (sinivälskärikala; Blue tang surgeonfish)
   |-- A. dussumieri Valenciennes, 1835 (Eyestripe surgeonfish)
   |-- A. fowleri de Beaufort, 1951 (Fowler's surgeonfish)
   |-- A. gahhm (Forsskål, 1775) (Black surgeonfish)
   |-- A. grammoptilus Richardson, 1843 (Finelined surgeonfish)
   |-- A. guttatus Forster, 1801 (Whitespotted surgeonfish)
   |-- A. japonicus (Schmidt, 1931) (Japan surgeonfish)
   |-- A. leucocheilus Herre, 1927 (Palelipped surgeonfish)
   |-- A. leucopareius (Jenkins, 1903) (Whitebar surgeonfish)
   |-- A. leucosternon Bennett, 1833 (Powderblue surgeonfish)
   |-- A. lineatus (Linnaeus, 1758) (Lined surgeonfish)
   |-- A. maculiceps (Ahl, 1923) (White-freckled surgeonfish)
   |-- A. mata Cuvier, 1829 (Elongate surgeonfish)
   |-- A. mindorensis Herre, 1927
   |-- A. monroviae Steindachner, 1876 (Monrovia doctorfish)
   |-- A. nigricans (Linnaeus, 1758) (Whitecheek surgeonfish)
   |-- A. nigricauda Duncker & Mohr, 1929 (Epaulette surgeonfish)
   |-- A. nigrofuscus (Forsskål, 1775) (Brown surgeonfish)
   |-- A. nigroris Valenciennes, 1835 (Bluelined surgeonfish)
   |-- A. nubilus (Fowler & Bean, 1929) (Bluelined surgeon)
   |-- A. olivaceus Bloch & Schneider, 1801 (Orangespot surgeonfish)
   |-- A. polyzona (Bleeker, 1868) (Black-barred surgeonfish)
   |-- A. pyroferus Kittlitz, 1834 (Chocolate surgeonfish)
   |-- A. randalli Briggs & Caldwell, 1957 (Gulf surgeonfish)
   |-- A. sohal (Forsskål, 1775) (Sohal surgeonfish)
   |-- A. tennentii Günther, 1861 (Doubleband surgeonfish)
   |-- A. thompsoni (Fowler, 1923) (Thompson's surgeonfish)
   |-- A. triostegus (Linnaeus, 1758) (Convict surgeonfish)
   |-- A. tristis Randall, 1993 Indian (Ocean mimic surgeonfish)
   `-- A. xanthopterus Valenciennes, 1835 (Yellowfin surgeonfish)

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