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

<==o Johnius [32]
   |-- J. amblycephalus (Bleeker, 1855) (Bearded croaker)
   |-- J. australis (Günther, 1880) (Bottlenose jewfish)
   |-- J. belangerii (Cuvier, 1830) (Belanger's croaker)
   |-- J. borneensis (Bleeker, 1851) (Sharpnose hammer croaker)
   |-- J. cantori Bleeker, 1874
   |-- J. carouna (Cuvier, 1830) (Caroun croaker)
   |-- J. carutta Bloch, 1793 (Karut croaker)
   |-- J. coitor (Hamilton, 1822) (Coitor croaker)
   |-- J. distinctus (Tanaka, 1916)
   |-- J. dorsalis (Peters, 1855) (Small kob)
   |-- J. dussumieri (Cuvier, 1830) (Sin croaker)
   |-- J. elongatus Mohan, 1976 (Spindle croaker)
   |-- J. fasciatus Chu, Lo & Wu, 1963
   |-- J. fuscolineatus (von Bonde, 1924) (Bellfish)
   |-- J. gangeticus Talwar, 1991
   |-- J. glaucus (Day, 1876) (Pale spotfin croaker)
   |-- J. goldmanni (Bleeker, 1854)
   |-- J. grypotus (Richardson, 1846)
   |-- J. heterolepis Bleeker, 1873 (Large-scale croaker)
   |-- J. hypostoma (Bleeker, 1853) (Small-mouth croaker)
   |-- J. laevis Sasaki & Kailola, 1991 (Smooth croaker)
   |-- J. latifrons Sasaki, 1992 (Broad-head croaker)
   |-- J. macropterus (Bleeker, 1853) (Largefin croaker)
   |-- J. macrorhynus (Mohan, 1976) (Big-snout croaker)
   |-- J. mannarensis Mohan, 1971 (Mannar croaker)
   |-- J. novaeguineae (Nichols, 1950) (Paperhead croaker)
   |-- J. pacificus Hardenberg, 1941 (Pacific croaker)
   |-- J. philippinus Sasaki, 1999
   |-- J. plagiostoma (Bleeker, 1849) (Large-eye croaker)
   |-- J. trachycephalus (Bleeker, 1851) (Leaftail croaker)
   |-- J. trewavasae Sasaki, 1992 (Trewavas croaker)
   `-- J. weberi Hardenberg, 1936 (Weber's croaker)

Reference(s):