| 2. | Under Ambruster, six subfamilies are recognized: Delturinae, Hypoptopomatinae, Hypostominae, Lithogeneinae, Loricariinae, and Neoplecostominae. D'après Armbruster, six sous-familles sont reconnues: Delturinae, Hypoptopomatinae, Hypostominae, Lithogeneinae, Loricariinae et Neoplecostominae. |