After Reis, Le Bail & Mol, 2005

    Megalechis Reis, 1997

        Megalechis thoracata (Valenciennes, 1840)
            Callichthys thoracatus Valenciennes, in Cuvier & Valenciennes, 1840
            Callichthys longifilis Valenciennes, in Cuvier & Valenciennes, 1840
            Callichthys personatus  Ranzani, 1841
            Callichthys exaratus Müller & Troschel, 1848
            Hoplosternum thoracatum (Valenciennes, 1840)
            Hoplosternum thoracatum surinamensis Hoedeman, 1952
            Megalechis personata (Ranzani, 1841); Reis, 1998
            Megalechis thoracata (Valenciennes, 1840); Reis, 1998

        Megalechis picta (Müller & Troschel, 1848)
            Callichthys pictus Müller & Troschel, 1848
            Callichthys sulcatus Kner, 1855
            Hoplosternum oronocoi Fowler, 1915
            Megalechis thoracata (Valenciennes, 1840); Reis, 1998
            Megalechis picta (Müller & Troschel, 1848); Reis, Le Bail & Mol, 2005


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