| Mooreonuphis bajacalifornica de León-González, 1988 |
| Mooreonuphis bidentata Rupit-Arteaga, Hernández-Alcántara & Solís-Weiss, 2013 |
| Mooreonuphis cirrata (Hartman, 1944) |
| Mooreonuphis dangrigae (Fauchald, 1980) |
| Mooreonuphis elsiae de León-González, 1994 |
| Mooreonuphis guadalupensis (Fauchald, 1968) |
| Mooreonuphis microbranchiata (Fauchald, 1968) |
| Mooreonuphis nebulosa (Moore, 1911) |
| Mooreonuphis pallidula (Hartman, 1965) |
| Mooreonuphis stigmatis (Treadwell, 1922) |
| Northia G. Johnston, 1865 |
| Northia elegans Johnson, 1901 |
| Northia geophiliformis Moore, 1903 |
| Northia iridescens Johnson, 1901 |
| Nothria Malmgren, 1867 |
| Nothria abyssalis Fauchald, 1968 |
| Nothria cirrata (Hartman, 1944) |
| Nothria conchylega (Sars, 1835) |
| Nothria conchylega subsp. occidentalis Fauchald, 1968 |
| Nothria elegans (Johnson, 1901) |