1. Subfamily Callichthyinae Bonaparte, 1835
   1. Genus Callichthys Scopoli, 1777
   2. Genus Dianema Cope, 1871
   3. Genus Hoplosternum Gill, 1858
   4. Genus Lepthoplosternum Reis, 1997
   5. Genus Megalechis Reis, 1997
   6. Genus Calichthys accepted as Callichthys Scopoli, 1777 (unaccepted > misspelling - incorrect original spelling)
   7. Genus Cascadura Ellis, 1913 accepted as Hoplosternum Gill, 1858
   8. Genus Cataphractops Fowler, 1915 accepted as Hoplosternum Gill, 1858
   9. Genus Cataphractus Bloch, 1794 accepted as Callichthys Scopoli, 1777 (synonym)
   10. Genus Decapogon Eigenmann & Eigenmann, 1888 accepted as Dianema Cope, 1871
2. Subfamily Corydoradinae Hoedeman, 1952
   1. Genus Aspidoras Ihering, 1907
   2. Genus Brochis Cope, 1871
   3. Genus Corydoras Lacepède, 1803
   4. Genus Hoplisoma Swainson, 1838
   5. Genus Osteogaster Cope, 1894
   6. Genus Scleromystax Günther, 1864
   7. Genus Chaenothorax Cope, 1878 accepted as Corydoras Lacepède, 1803
   8. Genus Corydorus accepted as Corydoras Lacepède, 1803 (unaccepted > misspelling - incorrect subsequent spelling)
   9. Genus Hoplosoma accepted as Corydoras Lacepède, 1803 (misspelling of a synonym)
   10. Genus Urkumayu Alonso et al., 2024 accepted as Hoplisoma Swainson, 1838 (unaccepted > junior subjective synonym)

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