| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Modiolus adriaticus (Lamarck, 1819) |
Northeast Atlantic, Mediterranean and Black Sea | 4.776 | |
| Modiolus americanus (Leach, 1815) |
Tulip mussel | Western Atlantic and Eastern Pacific | 11 |
| Modiolus aratus (Dunker, 1857) |
Furrowed horse mussel | Indo-West Pacific | 5 |
| Modiolus areolatus (Gould, 1850) |
Hairy mussel | Southwest Pacific | |
| Modiolus auriculatus (Krauss, 1848) |
Eared horse mussel | Indo-Pacific and the Mediterranean Sea | 7.5 |
| Modiolus aurum Osorio, 1979 |
Southeast Pacific | ||
| Modiolus barbatus (Linnaeus, 1758) |
Bearded horse mussel | Eastern Atlantic, Mediterranean and Black Sea | 6.611 |
| Modiolus capax (Conrad, 1837) |
Fat horsemussel | Eastern Pacific and Atlantic Ocean | |
| Modiolus carpenteri Soot-Ryen, 1963 |
California horsemussel | Eastern Pacific and Northeast Atlantic | |
| Modiolus carvalhoi Klappenbach, 1966 |
Western Atlantic | 2.1 | |
| Modiolus cecillei (Philippi, 1847) |
Western Pacific | ||
| Modiolus comptus (Sowerby, 1915) |
Northwest Pacific | ||
| Modiolus demissus unspecified |
Northeast Atlantic and Western Central Pacific | ||
| Modiolus difficilis Kuroda & Habe, 1950 |
Western Central Pacific | ||
| Modiolus eiseni Strong & Hertlein, 1937 |
Northeast Atlantic | ||
| Modiolus elongatus (Swainson, 1821) |
Elongated mussel | Northwest Pacific | |
| Modiolus ficoides Macsotay & Campos, 2001 |
Western Atlantic | 5.99 | |
| Modiolus flavidus (Dunker, 1882) |
Western Pacific | ||
| Modiolus hanleyi (Dunker, 1882) |
Indo-Pacific | 5.085 | |
| Modiolus lulat (Dautzenberg, 1891) |
Mediterranean Sea | ||
| Modiolus martorelli (Hidalgo, 1878) |
Mediterranean Sea | ||
| Modiolus matris Pilsbry, 1921 |
Pacific | ||
| Modiolus metcalfei (Hanley, 1843) |
Yellowbanded horse mussel | Indo-West Pacific | 8 |
| Modiolus modiolus (Linnaeus, 1758) |
Northern horsemussel | Arctic, northern Atlantic and Pacific | 18 |
| Modiolus modulaides (Röding, 1798) |
Indo-West Pacific | ||
| Modiolus neglectus Soot-Ryen, 1955 |
Neglected horsemussel | Eastern Pacific and Northeast Atlantic | |
| Modiolus nipponicus (Oyama, 1950) |
Northwest Pacific | ||
| Modiolus nitens Carpenter, 1857 |
Shiny mussel | Eastern Atlantic | |
| Modiolus nitidus (Reeve, 1857) |
Western Pacific | ||
| Modiolus patagonicus (d'Orbigny, 1846) |
Western Atlantic and Eastern Pacific | 5.2 | |
| Modiolus philippinarum (Hanley, 1843) |
Philippine horse mussel | Indo-Pacific | 13 |
| Modiolus plicatus (Gmelin, 1791) |
Indo-West Pacific | ||
| Modiolus rectus (Conrad, 1837) |
Straight horsemussel | Northern and Central Pacific and Northeast Atlantic | 23 |
| Modiolus sacculifer (Berry, 1953) |
Bag horsemussel | Eastern Pacific and Northeast Atlantic | |
| Modiolus squamosus Beauperthuy, 1967 |
Western Central Atlantic | ||
| Modiolus vaginus (Lamarck, 1819) |
Pacific Ocean |