Family Heptapteridae Gill 1861

Pteronotidae Adams in Adams, Baikie & Barron 1854:107 [ref. 31954] (family) Pteronotus Swainson [invalid, Article 39]

Heptapterinae Gill 1861o:54 [ref. 1673] (subfamily) Heptapterus

Rhamdiae Bleeker 1862–63:11, 60 [ref. 393] (phalanx) Rhamdia [stem Rhamdi- confirmed by Lundberg, Bornbusch & Mago-Leccia 1991:198 [ref. 19521]]

Phreatobinae Reichel 1927:383 [ref. 31921] (subfamily) Phreatobius [corrected to Phreatobiinae by Fowler 1954:9 [ref. 1465], confirmed by Buckup 1988:643 [ref. 6635]]