• Arcoperna brevis (Deshayes, 1858) †
• Arcoperna capillaris (Deshayes, 1858) †
• Arcoperna filosa Conrad, 1865 †
• Arcoperna inflata Dall, 1916 † (uncertain > unassessed)
• Arcoperna mellevillei (A. d'Orbigny, 1850) †
• Arcoperna profunda (Deshayes, 1830) †
• Arcoperna radiolata (Deshayes, 1858) †
• Arcoperna recens Tate, 1897 accepted as Solamen recens (Tate, 1897)
• Arcoperna scapha Verco, 1908 accepted as Exosiperna scapha (Verco, 1908)
• Arcoperna searlesi (Chelot, 1885) †
• Arcoperna sericea (Bronn, 1831) †
• Arcoperna sericea var. subtriangularis Sacco, 1898 † (uncertain > unassessed)
• Arcoperna tenera (Deshayes, 1858) †
• Arcoperna valbodenensis (Watelet, 1868) †
• Arcoperna vicina Cossmann, 1898 † (uncertain > unassessed)
• Arcuatula arcuatula (Hanley, 1844)
• Arcuatula capensis (Krauss, 1848)
• Arcuatula elegans (Gray, 1828)
• Arcuatula eudeli Jousseaume, 1931 accepted as Dentimodiolus striatulus (Hanley, 1843)
• Arcuatula glaberrima (Dunker, 1857)
• Arcuatula japonica (Dunker, 1857)
• Arcuatula leucosticta (E. von Martens, 1897) accepted as Parabrachidontes leucostictus (E. von Martens, 1897)
• Arcuatula papyria (Conrad, 1846)
• Arcuatula perfragilis (Dunker, 1857)
• Arcuatula senhousia (W. H. Benson, 1842)
• Arcuatula sootryeni Stilwell & Zinsmeister, 1992 † accepted as Brachidontes sootryeni (Stilwell & Zinsmeister, 1992) †
• Arcuatula tristis (Dunker, 1857)
• Arcuatula variegata (W. H. Benson, 1855)
• Arvella faba (O. F. Müller, 1776)
• Arvella japonica (Dall, 1897)
• Arvella manshurica Scarlato, 1960
• Arvella pectinula (A. Gould, 1841)
• Choromytilus chilensis (Hupé, 1854) accepted as Mytilus platensis A. d'Orbigny, 1846
• Choromytilus chorus (Molina, 1782)
• Choromytilus meridionalis (Krauss, 1848)
• Choromytilus palliopunctatus (P. P. Carpenter, 1857)
• Crenella (Hippagus) cucullata Deshayes, 1858 † accepted as Crenella cucullata Deshayes, 1858 †
• Crenella (Modiolaria) adolphi Dunker, 1871 accepted as Musculus nana (Dunker, 1857)
• Crenella (Modiolaria) multistriata E. A. Smith, 1872 accepted as Gregariella multistriata (E. A. Smith, 1872)
• Crenella (Modiolaria) translucida Gabb, 1881 † accepted as Musculus lateralis (Say, 1822)
• Crenella (Modiolaria) viridula H. Adams, 1871 accepted as Musculus viridulus (H. Adams, 1871)
• Crenella (Stalagmium) serica Conrad, 1860 † (uncertain > unassessed)
• Crenella abbotti van Regteren Altena, 1968 accepted as Crenella gemma Olsson & McGinty, 1958
• Crenella adamsiana Melvill & Standen, 1907 accepted as Solamen persicum (E. A. Smith, 1906)
• Crenella adolphi Dunker, 1871 accepted as Musculus nana (Dunker, 1857)
• Crenella alfredensis Bartsch, 1915 accepted as Solamen striatissimum (G. B. Sowerby III, 1904)
• Crenella arenaria Monterosato, 1875
• Crenella armstrongi J. A. Gardner, 1936 † (uncertain > unassessed)
• Crenella australis E. von Martens, 1879 accepted as Gregariella australis (E. von Martens, 1879)
• Crenella bulla Dunker, 1857 accepted as Solamen bulla (Dunker, 1857)
• Crenella canariensis Odhner, 1932 accepted as Rhomboidella canariensis (Odhner, 1932)
• Crenella casta A. Adams, 1862 (uncertain > nomen dubium)
• Crenella caudiva Olsson, 1961
• Crenella coarctata P. P. Carpenter, 1857 accepted as Gregariella coarctata (P. P. Carpenter, 1857)
• Crenella columbiana Dall, 1897 accepted as Solamen columbianum (Dall, 1897)
• Crenella compta H. Adams, 1871 accepted as Rhomboidella vaillanti (Issel, 1869)
• Crenella cornea A. Adams, 1862 (uncertain > nomen dubium)
• Crenella crocea A. Adams, 1862 (uncertain > nomen dubium)
• Crenella cucullata Deshayes, 1858 †
• Crenella decorata A. Adams, 1862 accepted as Vilasina decorata (A. Adams, 1862)
• Crenella decussata (Montagu, 1808)
• Crenella decussata decussata (Montagu, 1803) accepted as Crenella decussata (Montagu, 1808)
• Crenella decussata laticostata Scarlato, 1960 accepted as Crenella decussata (Montagu, 1808)
• Crenella delicatula Yokoyama, 1926 accepted as Crenella decussata (Montagu, 1808)
• Crenella diaphana Dall, 1907 accepted as Solamen spectabile (A. Adams, 1862)
• Crenella diuturna Pilsbry & C. W. Johnson, 1917 † (uncertain > unassessed)
• Crenella divaricata (A. d'Orbigny, 1853)
• Crenella divaricata Yokoyama, 1922 accepted as Crenella decussata (Montagu, 1808)
• Crenella dollfusi Dautzenberg, 1910 accepted as Solamen dollfusi (Dautzenberg, 1910)
• Crenella duplinensis Dall, 1898 † (uncertain > unassessed)
• Crenella duplinensis duplinensis Dall, 1898 † (uncertain > unassessed)
• Crenella duplinensis waltoniana Mansfield, 1932 † (uncertain > unassessed)
• Crenella ecuadoriana Pilsbry & Olsson, 1941 accepted as Crenella decussata (Montagu, 1808)
• Crenella ehrenbergi Issel, 1869 accepted as Gregariella ehrenbergi (Issel, 1869)
• Crenella elegans Deshayes, 1858 †
• Crenella elliptica T. Brown, 1827 accepted as Crenella decussata (Montagu, 1808)
• Crenella elongata F. W. Hutton, 1873 † accepted as Musculus elongatus (F. W. Hutton, 1873) †
• Crenella faba (O. F. Müller, 1776) accepted as Arvella faba (O. F. Müller, 1776)
• Crenella fenestra Dockery, 1982 †
• Crenella fragilis A. E. Verrill, 1885 accepted as Solamen glandula (Totten, 1834)
• Crenella gemma Olsson & McGinty, 1958
• Crenella gibba H. Adams, 1871 accepted as Rhomboidella vaillanti (Issel, 1869)
• Crenella glandula (Totten, 1834) accepted as Solamen glandula (Totten, 1834)
• Crenella globularis Tate, 1886 †
• Crenella grisea Dall, 1907 accepted as Vilasina seminuda (Dall, 1897)
• Crenella gubernatoria Glenn, 1904 † (uncertain > unassessed)
• Crenella inflata P. P. Carpenter, 1864 accepted as Crenella decussata (Montagu, 1808)
• Crenella japonica Dall, 1897 accepted as Arvella japonica (Dall, 1897)
• Crenella leana Dall, 1897 accepted as Solamen leanum (Dall, 1897)
• Crenella magellanica K. Linse, 2002
• Crenella marionensis E. A. Smith, 1885
• Crenella megas Dall, 1902 accepted as Solamen megas (Dall, 1902)
• Crenella minuscula Dall, 1898 †
• Crenella minuta Thiele, 1931
• Crenella multistriata E. A. Smith, 1872 accepted as Gregariella multistriata (E. A. Smith, 1872)
• Crenella nisigotoensis Nomura & Hatai, 1936 †
• Crenella paulucciae Crosse, 1863 accepted as Musculus nana (Dunker, 1857)
• Crenella pectinula (A. Gould, 1841) accepted as Arvella pectinula (A. Gould, 1841)
• Crenella pellucida (Jeffreys, 1859)
• Crenella persica E. A. Smith, 1906 accepted as Solamen persicum (E. A. Smith, 1906)