Planktomya henseni H.R. Simroth, 1896
Jousseaumia heterocyathi A.G. Bourne, 1906
Jousseaumia heteropsammiae A.G. Bourne, 1906
Montacuta hispaniolae (FOSSIL) C.J. Maury, 1917 †
Macrosolen hollowaysi (FOSSIL) (J. de C. Sowerby †)
Mysella hounselli (A.W.B. Powell, 1931)
Kurtiella jablonskii P.H. Valentich-Scott,2012
Montacutona japonica (FOSSIL) (M. Yokoyama, 1922 †)
Tellimya japonica A. Adams, 1862
Montacuta jervisensis C.F. Laseron, 1956
Montacutona kurilensis (O.A. Scarlato& I.N.V. Ivanova, 1974)
Mysella lachlani R.K. Dell, 1952
Mysella lactea C. Hedley, 1902
Montaguia lamellifera (É. Lamy, 1938)
Mysella larochei A.W.B. Powell, 1940
Kurtiella lediforme (A.A. Olsson, 1961)
Entovalva lessonothuriae S. Kato, 1999
Mioerycina letochai (FOSSIL) (Hoernes 1859) †
Mysella mabillei (W.H. Dall, 1908)
Planktomya macoma (FOSSIL) (Nordsieck, 1972 †)
Mysella macquariensis C. Hedley, 1916
Macrosolen madlumensis (FOSSIL) Kanno & al. 1992 †
Planktomya magna S. Gofas, 2000
Anisodevonia major (A. Bruun, 1938)
Montacuta mariana (FOSSIL) W.H. Dall, 1900 †
Callomysia matsuii T. Habe, 1951
Montacuta meridionalis R. Tate, 1887
Montacuta minuscula W.H. Dall, 1899
Mysella minuscula (G.J. Pfeffer, 1886)
Mysella minuta (FOSSIL) (Aldrich 1921) †
Entovalva mirabilis A. Voeltzkow, 1890
Mysella moelleri (H.J. Posselt, 1898)
Mysella molinae (L. Ramorino, 1968)
Mysella morioria R.K. Dell, 1952
Montacutona mutsuwanensis A. Yamamoto & T. Habe,1959