After Cvancara & Hoganson, 1993, and Froese & Pauly, 2001 [“The Fishbase”]

<==o Arius Cuvier & Valenciennes, 1840 [Tachysurus) Eoc. R. Af. SAs. EInd. WInd. SA. ()? [101]
   |?- †A.? danicus (Koken, 1891) Leriche, 1902
   |-- A. acutirostris Day, 1877
   |-- A. africanus Günther, 1867 (African sea catfish)
   |-- A. agassizi (Eigenmann & Eigenmann, 1888)
   |-- A. arenatus Valenciennes, 1840
   |-- A. argyropleuron Valenciennes, 1840 (Sharp-headed catfish)
   |-- A. arius (Hamilton, 1822) (Threadfin sea catfish)
   |-- A. armiger De Vis, 1884 (Threadfin catfish)
   |-- A. augustus Roberts, 1978 (Short barbelled catfish)
   |-- A. berneyi (Whitley, 1941) (Berney's catfish)
   |-- A. bilineatus (Valenciennes, 1840) (Bronze catfish)
   |-- A. bonillai (Miles, 1945) (New Granada sea catfish)
   |-- A. brevibarbis (Boulenger, 1911)
   |-- A. brevirostris Steindachner, 1901
   |-- A. brunellii Zolezzi, 1939
   |-- A. burmanicus Day, 1870
   |-- A. caelatus Valenciennes, 1840 (Engraved catfish)
   |-- A. carinatus Weber, 1913 (Comb-spined catfish)
   |-- A. coatesi Kailola, 1990 (Coates' catfish)
   |-- A. couma (Valenciennes, 1840) (Couma sea catfish)
   |-- A. cous Hyrtl, 1859
   |-- A. crassilabris (Ramsay & Ogilby, 1886) (Thick-lipped catfish)
   |-- A. crossocheilos Bleeker, 1846 R(oughback sea catfish)
   |-- A. dasycephalus Günther, 1864 (Big-bellied sea catfish)
   |-- A. dispar Herre, 1926
   |-- A. doriae Vinciguerra, 1881
   |-- A. dussumieri Valenciennes, 1840 (Blacktip sea catfish)
   |-- A. felis (Linnaeus, 1766) (Hardhead sea catfish)
   |-- A. fuscus (Steindachner, 1880)
   |-- A. gagora (Hamilton, 1822) (Gagora catfish)
   |-- A. gagorides (Valenciennes, 1840)
   |-- A. gigas Boulenger, 1911 (Giant sea catfish)
   |-- A. goniaspis Bleeker, 1858
   |-- A. graeffei Kner & Steindachner, 1867 (Lesser salmon catfish)
   |-- A. grandicassis Valenciennes, 1840 (Thomas sea catfish)
   |-- A. guatemalensis Günther, 1864 (Blue sea catfish)
   |-- A. harmandi (Sauvage, 1880)
   |-- A. herzbergii (Bloch, 1794) (Pemecou sea catfish)
   |-- A. heudelotii Valenciennes, 1840 (Smoothmouth sea catfish)
   |-- A. izabalensis (Hubbs & Miller, 1960)
   |-- A. jatius (Hamilton, 1822) (River catfish)
   |-- A. jella Day, 1877 (Blackfin sea catfish)
   |-- A. kessleri Steindachner, 1877 (Sculptured sea catfish)
   |-- A. laticeps Günther, 1864
   |-- A. latirostris Macleay, 1883 (Broad-snouted catfish)
   |-- A. latiscutatus Günther, 1864 (Rough-head sea catfish)
   |-- A. leiotetocephalus Bleeker, 1846
   |-- A. lentiginosus (Eigenmann & Eigenmann, 1888) (Freckled sea catfish)
   |-- A. leptaspis (Bleeker, 1862) (Salmon catfish)
   |-- A. leptonotacanthus Bleeker, 1849
   |-- A. macracanthus Günther, 1864
   |-- A. macrocephalus Bleeker, 1846 (Large-scaled catfish)
   |-- A. macronotacanthus Bleeker, 1846
   |-- A. macrorhynchus (Weber, 1913) (Sharp-nosed catfish)
   |-- A. madagascariensis Vaillant, 1894 (Madagascar sea catfish)
   |-- A. magatensis Herre, 1926
   |-- A. manillensis Valenciennes, 1840
   |-- A. mastersi Ogilby, 1898 (Master's catfish)
   |-- A. melanochir Bleeker, 1852
   |-- A. melanopus Günther, 1864
   |-- A. microcephalus Bleeker, 1855
   |-- A. midgleyi Kailola & Pierce, 1988 (Shovel-nosed catfish)
   |-- A. nella (Valenciennes, 1840) (Smooth-headed catfish)
   |-- A. nenga (Hamilton, 1822)
   |-- A. nox Herre, 1935 (Comb-gilled catfish)
   |-- A. nuchalis Günther, 1864
   |-- A. nudidens Weber, 1913
   |-- A. oetik Bleeker, 1846
   |-- A. osculus Jordan & Gilbert, 1883 (Chomba sea catfish)
   |-- A. parkeri (Traill, 1832) (Gillbacker sea catfish)
   |-- A. parkii Günther, 1864 (Guinean sea catfish)
   |-- A. parvipinnis Day, 1877
   |-- A. passany (Valenciennes, 1840) (Passany sea catfish)
   |-- A. phrygiatus Valenciennes, 1840 (Kukwari sea catfish)
   |-- A. planiceps Steindachner, 1877 (Flathead sea catfish)
   |-- A. platypogon Günther, 1864 (Cominate sea catfish)
   |-- A. platystomus Day, 1877 (Flatmouth sea catfish)
   |-- A. pleurops Boulenger, 1897
   |-- A. polystaphylodon Bleeker, 1846 (Mozambique sea catfish)
   |-- A. proops (Valenciennes, 1840) (Crucifix sea catfish)
   |-- A. proximus Ogilby, 1898
   |-- A. quadriscutis Valenciennes, 1840 (Bressou sea catfish)
   |-- A. rugispinis Valenciennes, 1840 (Softhead sea catfish)
   |-- A. sagor (Hamilton, 1822) (Sagor catfish)
   |-- A. satparanus Chaudhuri, 1916
   |-- A. sciurus Smith, 1931
   |-- A. seemanni Günther, 1864 (Tete sea catfish)
   |-- A. solidus Herre, 1935 (Hard-palate catfish)
   |-- A. sona (Hamilton, 1822) (Sona sea catfish)
   |-- A. stormii (Bleeker, 1858) (Armoured sea catfish)
   |-- A. subrostratus Valenciennes, 1840 (Shovelnose sea catfish)
   |-- A. sumatranus (Bennett, 1830) (Goat catfish)
   |-- A. taylori (Roberts, 1978) (Taylor's catfish)
   |-- A. tenuispinis Day, 1877 (Thinspine sea catfish)
   |-- A. thalassinus (Rüppell, 1837) (Giant seacatfish)
   |-- A. thunbergi (Lacépède, 1803) (Spotted catfish)
   |-- A. truncatus Valenciennes, 1840
   |-- A. utarus Kailola, 1990 (Northern rivers catfish)
   |-- A. variolosus Valenciennes, 1840
   |-- A. velutinus (Weber, 1907) (Papillate catfish)
   `-- A. venosus Valenciennes, 1840 (Veined catfish)

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