Subfamily Hypoptopomatinae Eigenmann & Eigenmann 1890

Hypoptopominae Eigenmann & Eigenmann 1890:353, 388 [ref. 12251] (subfamily) Hypoptopoma [corrected to Hypoptopomatinae by Regan 1904:195, 262 [ref. 3621], confirmed by Eigenmann 1910:404 [ref. 1224] and by Boeseman 1974:251 [ref. 7490]]

Acestridiinae Isbrücker & Nijssen 1974:68 [ref. 2304] (subfamily) Acestridium

Otocinclini Isbrücker 1979b:114 [ref. 32184] (tribe) Otocinclus

Otothyrini Schaefer 1991:31 [ref. 18926] (tribe) Otothyris

Lampiellini Isbrücker in Isbrücker, Seidel, Michels, Schraml & Werner 2001:20 [ref. 25649] (tribe) Lampiella