The (Siluriformes) - order

(Ariidae)
- family

(Aspredinidae)
- family

(Auchenipteridae)
- family

(Callichthyidae)
- family

(Clariidae)
- family

(Claroteidae)
- family

(Doradidae)
- family

(Heteropneustidae)
- family

(Loricariidae)
- family

(Mochokidae)
- family

(Pimelodidae)
- family

(Schilbeidae)
- family

(Siluridae)
- family

(Trichomycteridae)
- family