| Iniforis carmelae Rolán & Fernández-Garcés, 1993 |
| Iniforis turristhomae (Holten, 1802) |
| Isotriphora Cotton & Godfrey, 1931 |
| Isotriphora peetersae (Moolenbeek & Faber, 1989) |
| Latitriphora Marshall, 1983 |
| Latitriphora albida (A. Adams, 1854) |
| Marshallora Bouchet, 1984 |
| Marshallora modesta (C. B. Adams, 1850) |
| Marshallora nichupte Rolán & Cruz-Ábrego, 1996 |
| Marshallora nigrocincta (C. B. Adams, 1839) |
| Metaxia Monterosato, 1884 |
| Metaxia abrupta (Watson, 1880) |
| Metaxia convexa (P. P. Carpenter, 1857) |
| Metaxia metaxa (Delle Chiaje, 1828) |
| Metaxia rugulosa (C. B. Adams, 1850) |
| Metaxiinae B. A. Marshall, 1977 |
| Monophorus Grillo, 1877 |
| Monophorus ateralbus Rolán & Fernández-Garcés, 1994 |
| Monophorus olivaceus (Dall, 1889) |
| Nototriphora Marshall, 1983 |