| Acarnidae Dendy, 1922 |
| Acarnus Gray, 1867 |
| Acarnus bicladotylotus Hoshino, 1981 |
| Acarnus erithacus Laubenfels de, 1927 |
| Acarnus michoacanensis Aguilar-Camacho, Carballo & Cruz-Barraza, 2014 |
| Acarnus nicoleae van Soest, Hooper & Hiemstra, 1991 |
| Acarnus oaxaquensis Aguilar-Camacho, Carballo & Cruz-Barraza, 2014 |
| Acarnus peruanus van Soest, Hooper & Hiemstra, 1991 |
| Acarnus sabulum Aguilar-Camacho, Carballo & Cruz-Barraza, 2014 |
| Acarnus souriei (Lévi, 1952) |
| Acheliderma Topsent, 1892 |
| Acheliderma fulvum Aguilar-Camacho, Carballo & Cruz-Barraza, 2014 |
| Iophon Gray, 1867 |
| Iophon bipocillum Aguilar-Camacho, Carballo & Cruz-Barraza, 2014 |
| Iophon indentatum Wilson, 1904 |
| Iophon lamella Wilson, 1904 |
| Iophon pattersoni (Bowerbank, 1866) |
| Megaciella Hallmann, 1920 |
| Megaciella microtoxa (Dickinson, 1945) |
| Megaciella toxispinosa Aguilar-Camacho, Carballo & Cruz-Barraza, 2014 |