. . "Siluriformes" . . "Animalia" . "Scleromystax prionotos" . . . . "Actinopterygii" . "Scleromystax prionotos (Nijssen and Isbr\u00FCcker 1980)" . . . . "(Nijssen and Isbr\u00FCcker 1980)" . . "Scleromystax" . . . . . . "Callichthyidae" . . "Chordata" .