| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Lineus acutifrons Southern, 1913 |
Northeast Atlantic | ||
| Lineus alborostratus Takakura, 1898 |
Northwest Pacific | ||
| Lineus binigrilinearis Gibson, 1990 |
Northwest Pacific | 3.5 | |
| Lineus cingulatus (Stimpson, 1855) |
Northwest Pacific | ||
| Lineus flavescens Coe, 1904 |
East Central Pacific | 12 | |
| Lineus fulvus Iwata, 1954 |
Northwest Pacific | ||
| Lineus longissimus (Gunnerus, 1770) |
Bootlace worm | Northeast Atlantic | |
| Lineus ruber (Müller, 1771) |
Red ribbon worm | Arctic, Northeast Atlantic and Northeast Pacific | |
| Lineus rubescens unspecified |
Canada | ||
| Lineus sanguineus (Rathke, 1799) |
Northeast Atlantic | ||
| Lineus spatiosus Iwata, 1954 |
Northwest Pacific | ||
| Lineus torquatus Coe, 1901 |
Northern Pacific | 40 | |
| Lineus viridis (Müller, 1774) |
Northern Atlantic, Northeast Pacific and the Mediterranean |