| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Marshallora adversa (Montagu, 1803) |
Reversed needle welk | Northeast Atlantic and the Mediterranean Sea | |
| Marshallora apexdiversus Rolán & Lee, 2008 |
Western Atlantic | 0.62 | |
| Marshallora nicaraguensis Rolán & Luque, 1999 |
Western Atlantic | 0.32 | |
| Marshallora nichupte Rolán & Cruz-Abrego, 1996 |
Western Central Atlantic | 0.5 | |
| Marshallora nigrocincta (Adams, 1839) |
Black-line triphora | Western Atlantic | 0.8 |
| Marshallora ostenta Rolán & Fernández-Garcés, 2008 |
Western Atlantic | 0.55 |