Subgenus (Musculus) P. F. Roding, 1798

(3-7-5-0-1-2-1-25-3-0-0-0-0)
Ref. Bernard, 1983 p 20

corrugatus (W. Stimpson, 1851)
(3-7-5-0-1-2-1-25-3-1-0-0-0)
Corrugate Mussel
Ref. Abbott, 1974 p 432
Amer. Fish. Soc., 1988 p 23
Syn. Mytilus (Mytilus) corrugatus W. Stimpson, 1851
Ref. Bernard, 1984 p 26 bw
Wagner, 1984 p 52 bw

cultellus (G. P. Deshayes, 1839)
(3-7-5-0-1-2-1-25-3-2-0-0-0)
Knife Mussel
Ref. Amer. Fish. Soc., 1988 p 23
Syn. Modiola cultellus G. P. Deshayes, 1839;
Modiolaria impressa W. H. Dall, 1907;
Musculus (Musculus) incurvatus O. A. Scarlato, 1960;
Musculus (Musculus) olivaceus W. H. Dall, 1916
Ref. Bernard, 1983 p 20

discors (C. v. Linne, 1767)
(3-7-5-0-1-2-1-25-3-3-0-0-0)
Discord Musculus, Discordant Mussel
Ref. Abbott, 1974 p 432 bw
Ref. Amer. Fish. Soc., 1988 p 23
Lindner, 1977 pl 53 c
Syn. Modiola laevigata J. E. Gray, 1824, not W. Wood, 1828;
Modiola substriata J. E. Gray, 1824;
Modiolaria laevis H. Beck in M. E. Robert, 1851, not Modiola laevis G. B. Sowerby, 1812;
Musculus (Musculus) filatovae O. A. Scarlato, 1955;
Mytilus (Mytilus) discrepans G. Montagu, 1803, not W. E. Leach, 1815;
Mytilus (Mytilus) discors C. v. Linne, 1767
Ref. Bernard, 1983 p 20
Syn. Modiola laevigata J. E. Gray, 1824;
Modiola substriata J. E. Gray, 1824;
Modiolaria laevis H. Beck, 1851;
Mytilus (Mytilus) discors C. v. Linne, 1767
Ref. Bernard, 1984 p 27 d bw

Form laevigatus J. E. Gray, 1824
(3-7-5-0-1-2-1-25-3-3-0-1-0)
Ref. Abbott, 1974 p 432

Form substriata J. E. Gray, 1824
(3-7-5-0-1-2-1-25-3-3-0-2-0)
Ref. Abbott, 1974 p 432

filatovae O. A. Scarlato, 1955
(3-7-5-0-1-2-1-25-3-4-0-0-0)
[=Musculus (Musculus) discors (C. v. Linne, 1767)]
Ref. Bernard, 1983 p 20

impressus (W. H. Dall, 1907)
(3-7-5-0-1-2-1-25-3-5-0-0-0)
Ref. Abbott, 1974 p 432 d

incurvatus O. A. Scarlato, 1960
(3-7-5-0-1-2-1-25-3-6-0-0-0)
[=Musculus (Musculus) cultellus (G. P. Deshayes, 1839)]
Ref. Bernard, 1983 p 20

marmoratus (E. Forbes, 1838)
(3-7-5-0-1-2-1-25-3-7-0-0-0)
Spotted Mussel
Ref. Abbott, 1974 p 432
Amer. Fish. Soc., 1988 p 24

niger (J. E. Gray, 1824)
(3-7-5-0-1-2-1-25-3-8-0-0-0)
Black Musculus, Black Mussel
Ref. Amer. Fish. Soc., 1988 p 24
Syn. Musculus (Musculus) obesus W. H. Dall, 1916
Ref. Abbott, 1974 p 432 bw
Syn. Modiola discrepans W. E. Leach, 1815, not Modiola discrepans J. B. P. A. de Lamarck, 1819, not Mytilus discrepans G. Montagu, 1803;
Modiola nexa A. A. Gould, 1841;
Modiola niger J. E. Gray, 1824;
Musculus (Musculus) niger obesus W. H. Dall, 1916, not Mytilus obesus L. A. Reeve, 1858;
Musculus (Musculus) niger protractus W. H. Dall, 1916;
Musculus (Musculus) protractus W. H. Dall, 1916
Ref. Bernard, 1983 p 20
Syn. Modiola nexa A. A. Gould, 1841;
Modiola nigra J. E. Gray, 1824;
Musculus (Musculus) nigra obesus W. H. Dall, 1916, not Mytilus obesus L. A. Reeve, 1858
Ref. Bernard, 1984 p 27 bw
Syn. Modiolus nexa A. A. Gould, 1841;
Modiolus nigra J. E. Gray, 1824;
Musculus (Musculus) niger obesus W. H. Dall, 1916;
Musculus (Musculus) niger protractus W. H:. Dall, 1916
Ref. Wagner, 1984 p 53 bw

obesus W. H. Dall, 1916, not Mytilus obesus L. A. Reeve, 1858
(3-7-5-0-1-2-1-25-3-8-1-0-0)
[=Musculus (Musculus) niger (J. E. Gray, 1824)]
Ref. Bernard, 1983 p 20
Bernard, 1984 p 27
Wagner, 1984 p 53

protractus W. H. Dall, 1916
(3-7-5-0-1-2-1-25-3-8-2-0-0)
[=Musculus (Musculus) niger (J. E. Gray, 1824)]
Ref. Bernard, 1983 p 20
Wagner, 1984 p 53

obesus W. H. Dall, 1916
(3-7-5-0-1-2-1-25-3-9-0-0-0)
[=Musculus (Musculus) niger (J. E. Gray, 1824)]
Ref. Abbott, 1974 p 432

olivaceus W. H. Dall, 1916
(3-7-5-0-1-2-1-25-3-10-0-0-0)
Olivaceous Musculus
Ref. Abbott, 1974 p 432
[=Musculus (Musculus) cultellus (G. P. Deshayes, 1839)]
Ref. Bernard, 1983 p 20

phenax W. H. Dall, 1915
(3-7-5-0-1-2-1-25-3-11-0-0-0)
Ref. Abbott, 1974 p 432
[=Musculus (Musculus) taylori (W. H. Dall, 1897)]
Ref. Bernard, 1983 p 21

protractus W. H. Dall, 1916
(3-7-5-0-1-2-1-25-3-12-0-0-0)
Ref. Abbott, 1974 p 432
[=Musculus (Musculus) niger (J. E. Gray, 1824)]
Ref. Bernard, 1983 p 20

pygmaeus P. W. Glynn, 1964
(3-7-5-0-1-2-1-25-3-13-0-0-0)
Pygmy Mussel
Ref. Abbott, 1974 p 432
Amer. Fish. Soc., 1988 p 24
Bernard, 1983 p 20

seminudus (W. H. Dall, 1897)
(3-7-5-0-1-2-1-25-3-14-0-0-0)
Ref. Abbott, 1974 p 432

senhousei [senhousia] (W. H. Benson, 1842)
(3-7-5-0-1-2-1-25-3-15-0-0-0)
Senhouse's Musculus
Ref. Abbott, 1974 p 432 bw
Abbott & Dance, 1982 p 298 c

taylori (W. H. Dall, 1897)
(3-7-5-0-1-2-1-25-3-16-0-0-0)
Taylor Mussel
Ref. Abbott, 1974 p 432
Amer. Fish. Soc., 1988 p 24
Syn. Modiolaria taylori ex W. H. Dall, ms, C. F. Newcombe, 1893;
Musculus (Musculus) phenax W. H. Dall, 1915
Ref. Bernard, 1983 p 21

vernicosus A. T. Middendorff, 1849
(3-7-5-0-1-2-1-25-3-17-0-0-0)
Varnished Mussel
Ref. Abbott, 1974 p 432
Amer. Fish. Soc., 1988 p 24