Subfamily Eptatretinae Bonaparte 1850

Heptatremini Bonaparte 1850b [ref. 32551] (subfamily) Eptatretus [ Heptatrema / Heptatremus inferred from the stem, Article 11.7.1.1; name must be corrected Article 32.5.3; stem corrected to Eptatret- by Gill 1901:738 [ref. 9562] and by Jordan & Snyder 1901b:728 [ref. 9568], confirmed by Jordan 1923a:82 [ref. 2421], by Kamohara 1967:1 and by Sato in Masuda, Amaoka, Araga, Uyeno & Yoshino 1984:1 [ref. 6441]; family name sometimes seen as Heptotremidae or Heptatretidae]

Bdellostomidae Gill 1872:25 [ref. 26254] (family) Bdellostoma [corrected to Bdellostomatidae by Jordan & Gilbert 1883:967 [ref. 2476]]

Homeidae Garman 1899:348 [ref. 1540] (family) Homea

Paramyxinidae Berg 1940:[24] [ref. 5049] (family) Paramyxine

Dodecatrematinae Fowler 1947:3 [ref. 1458] (subfamily) Dodecatrema

Quadratinae Wisner 1999:309 [ref. 24160] (subfamily) Quadratus

Rubicundinae Fernholm et al. 2013:7 [ref. 32793] (subfamily) Rubicundus