Rhinolekos is a genus of armored catfishes native to South America.

Lasiancistrus is a genus of suckermouth armored catfishes.

Delturus is a genus of armored catfishes native to rivers in Southeast and Northeast Brazil.

Callichthyidae is a family of catfishes (order Siluriformes), called armored catfishes due to the two rows of bony plates (or scutes) running down the length of the body.

Within the family Callichthyidae, there are two subfamilies with eight genera and about 177 species.

Lepthoplosternum beni is a species of catfish of the family Callichthyidae.

It belongs to the Corydoradinae sub-family of the Callichthyidae family.

Corydoras seussi is a South American catfish, family Callichthyidae.

Scleromystax is a genus of catfishes (order Siluriformes) of the family Callichthyidae.

In common with all other members of the family Callichthyidae, the body surface is covered, not with scales, but with bony plates known as scutes.

Catfish of the families Loricariidae, Callichthyidae, and Scoloplacidae absorb air through their digestive tracts.

Corydoras simulatus is a tropical freshwater fish belonging to the Corydoradinae sub-family of the Callichthyidae family.

Next, the order of divergence is probably Callichthyidae, then Scoloplacidae, and then Astroblepidae and Loricariidae.

It contains the six families Trichomycteridae, Nematogenyiidae, Callichthyidae, Scoloplacidae, Astroblepidae, and Loricariidae.

Hoplosternum littorale a species of catfish (order Siluriformes) belonging to the Callichthyinae subfamily of the family Callichthyidae.

Nematogenyidae and Trichomycteridae are sister groups that together form a clade that is sister to the families Callichthyidae, Scoloplacidae, Astroblepidae, and Loricariidae.

Loricariidae are one of seven families in the superfamily Loricarioidea, along with Amphiliidae, Trichomycteridae, Nematogenyidae, Callichthyidae, Scoloplacidae, and Astroblepidae.

Megalechis picta, the Tail bar armored catfish, Tail bar hoplo or Spotted Hoplo, is a species of catfish of the family Callichthyidae.

Corydoras panda is a species of catfish belonging to the genus Corydoras, of the family Callichthyidae, and is a native member of the riverine fauna of South America.

The cascarudo (Callichthys callichthys), armored catfish, bubblenest catfish, hassar, or mailed catfish is a subtropical freshwater fish belonging to the Callichthyinae sub-family of the Callichthyidae family.

Freshwaters fishes, including remains of fishes of the families like Anostomidae, Osteoglossidae (arapaimas), Characidae, Pimelodidae, Callichthyidae, Ariidae, Doradidae, Loricariidae, Cichlidae and the river stingrays Potamotrygonidae.