| Lioberus castanea (Say, 1822) |
| Crenella magellanica Linse, 2002 |
| Musculus niger (Gray, 1824) |
| Crenella pectinula (Gould, 1841) |
| Gregariella petagnae (Scacchi, 1832) [Extralimital] |
| Musculista senhousia (Benson, 1842) [Introduced] |
| Crenella skomma (McLean & Schwengel, 1944) |
| Modiolarca subpicta (Cantraine, 1835) [Extralimital?] |
| Musculus viator (d'Orbigny, 1842) |
| Musculus lateralis (Say, 1822) |
| Musculus glacialis (Leche, 1883) |
| Crenella gemma Olsson & McGinty, 1958 |
| Gregariella chenui (Récluz, 1842) |
| Gregariella coarctata (Carpenter, 1856) [Extralimital] |
| Gregariella coralliophaga (Gmelin, 1791) |
| Crenella decussata (Montagu, 1808) |
| Musculus discors (Linnaeus, 1767) |
| Crenella faba (O. F. Müller, 1776) |
| Crenella glandula (Totten, 1834) |
| Crenella fragilis A. E. Verrill, 1885 |
| Crenella abbotti Altena, 1968 |
