| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Syllis aciculata (Treadwell, 1945) |
Western Central Atlantic and Eastern Pacific | ||
| Syllis alternata Moore, 1908 |
Arctic, Pacific Ocean and the Mediterranean Sea | ||
| Syllis amica Quatrefages, 1866 |
Indo-Pacific, Atlantic Ocean and the Mediterranean | ||
| Syllis anoculata (Hartmann-Schröder, 1962) |
Mediterranean Sea | ||
| Syllis armillaris (Müller, 1776) |
Indo-Pacific, Antarctic, Atlantic Ocean and the Mediterranean | ||
| Syllis bella Chamberlin, 1919 |
Eastern Pacific | ||
| Syllis beneliahuae (Campoy & Alquézar, 1982) |
Atlantic Ocean, Eastern Central Pacific and the Mediterranean | ||
| Syllis benguellana Day, 1963 |
Northwest Pacific | ||
| Syllis bisetosa unspecified |
Western Indian Ocean | ||
| Syllis brasiliensis McIntosh, 1885 |
Western Central Atlantic | ||
| Syllis caeca (Katzmann, 1973) |
Eastern Pacific and the Mediterranean | ||
| Syllis castroviejoi Capa, San-Martín & López,2001 |
Eastern Pacific | ||
| Syllis compacta Gravier, 1900 |
Mediterranean Sea | ||
| Syllis corallicola Verrill, 1900 |
Western Central Atlantic, Eastern Pacific and the Mediterranean | ||
| Syllis corallicoloides Augener, 1922 |
Eastern Pacific | ||
| Syllis cornuta Rathke, 1843 |
Cosmopolitan | 3 | |
| Syllis cruzi Núñez & San Martín, 1991 |
Mediterranean Sea | ||
| Syllis elongata (Johnson, 1901) |
Eastern Pacific | ||
| Syllis exilis unspecified |
Western Central Pacific | ||
| Syllis fasciata Malamgren, 1867 |
Indo-Pacific, Atlantic and Arctic Oceans | ||
| Syllis ferrani Alós & San Martín, 1987 |
Mediterranean Sea | ||
| Syllis filiformis Rullier, 1972 |
Western Central Pacific | ||
| Syllis garciai (Campoy, 1982) |
Eastern Pacific and the Mediterranean | ||
| Syllis gerundensis (Alós & Campoy, 1981) |
Mediterranean Sea | ||
| Syllis golfonovensis (Hartmann-Schröder, 1962) |
Mediterranean Sea | ||
| Syllis gracilis Grube, 1840 |
Indo-Pacific, Atlantic Ocean and the Mediterranean | ||
| Syllis heterochaeta Moore, 1909 |
Northeast Pacific | ||
| Syllis hyalina Grube, 1863 |
Pacific Ocean, Atlantic Ocean and the Mediterranean Sea | ||
| Syllis kabilica Ben-Eliahu, 1977 |
Western Indian Ocean, Northeast Atlantic ad the Mediterranean Sea | ||
| Syllis krohni Ehlers, 1864 |
Indo-West Pacific and the Mediterranean | ||
| Syllis longisegmentata Grube, 1857 |
Western Central Atlantic | ||
| Syllis longissima Gravier, 1900 |
Eastern Pacific | ||
| Syllis magna (Westheide, 1974) |
Eastern Pacific and the Mediterranean | ||
| Syllis monilaris (Savigny, 1812) |
Western Indian Ocean | ||
| Syllis nigricirris Grube, 1863 |
Mediterranean Sea | ||
| Syllis nuchalis (Hartmann-Schröder, 1960) |
Western Indian Ocean and the Mediterranean | ||
| Syllis palifica Ehlers, 1901 |
Eastern Pacific | ||
| Syllis parapari San Martín & López, 2000 |
Mediterranean Sea | ||
| Syllis pectinans Haswell, 1920 |
Mediterranean Sea | ||
| Syllis pontxioi San Martín & López, 2000 |
Mediterranean Sea | ||
| Syllis prolifera Krohn, 1852 |
Indo-Pacific, Atlantic Ocean and the Mediterranean | ||
| Syllis prolixa Ehlers, 1901 |
Antarctic Atlantic | ||
| Syllis pulvinata (Langerhans, 1881) |
Mediterranean Sea | ||
| Syllis quaternaria unspecified |
Arctic | ||
| Syllis rosea (Langerhans, 1879) |
Indo-Pacific, Atlantic Ocean and the Mediterranean | ||
| Syllis sardai San Martín, 1992 |
Western Central Atlantic | ||
| Syllis schulzi (Hartmann-Schröder, 1960) |
Western Indian Ocean, Northeast Atlantic and the Mediterranean | ||
| Syllis sclerolaema Ehlers, 1901 |
Northeast Pacific and Antarctic | ||
| Syllis torquata Marion & Bobretzky, 1875 |
Mediterranean Sea | ||
| Syllis tyrrhena (Licher & Kuper, 1998) |
Mediterranean Sea | ||
| Syllis valida Grube, 1857 |
Antarctic | ||
| Syllis variegata Grube, 1860 |
Indo-Pacific, Atlantic Ocean and the Mediterranean | ||
| Syllis vittata Grube, 1840 |
Western Indian Ocean, Western Central Atlantic and the Mediterranean | ||
| Syllis vivipara Krohn, 1869 |
Western Central Atlantic and the Mediterranean | ||
| Syllis westheidei San Martín, 1984 |
Western Indian Ocean, Northeast Atlantic and the Mediterranean |