Planktomya henseni H.R. Simroth, 1896 Costa Rica, Cocos Island
Jousseaumia heterocyathi A.G. Bourne, 1906
Jousseaumia heteropsammiae A.G. Bourne, 1906
Montacuta hispaniolae (FOSSIL) C.J. Maury, 1917 † Dominican Republic
Macrosolen hollowaysi (FOSSIL) (J. de C. Sowerby †) UK, Isle of Wight98 mm
Mysella hounselli (A.W.B. Powell, 1931) New Zealand
Kurtiella jablonskii P.H. Valentich-Scott,2012
Montacutona japonica (FOSSIL) (M. Yokoyama, 1922 †) Japan, Chiba
Tellimya japonica A. Adams, 1862 Singapore
Montacuta jervisensis C.F. Laseron, 1956 New South Wales
Montacutona kurilensis (O.A. Scarlato& I.N.V. Ivanova, 1974) Japan
Mysella lachlani R.K. Dell, 1952 New Zealand
Mysella lactea C. Hedley, 1902 Tasmania
Montaguia lamellifera (É. Lamy, 1938) Red Sea
Mysella larochei A.W.B. Powell, 1940 New Zealand
Kurtiella lediforme (A.A. Olsson, 1961)
Entovalva lessonothuriae S. Kato, 1999
Mioerycina letochai (FOSSIL) (Hoernes 1859) †
Mysella mabillei (W.H. Dall, 1908) Chile, Quitralco
Planktomya macoma (FOSSIL) (Nordsieck, 1972 †) Netherlands
Mysella macquariensis C. Hedley, 1916 New Zealand
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 Japan
Montacuta meridionalis R. Tate, 1887 South Australia8,3 mm
Montacuta minuscula W.H. Dall, 1899 America
Mysella minuscula (G.J. Pfeffer, 1886)
Mysella minuta (FOSSIL) (Aldrich 1921) †
Entovalva mirabilis A. Voeltzkow, 1890
Mysella moelleri (H.J. Posselt, 1898) America
Mysella molinae (L. Ramorino, 1968)
Mysella morioria R.K. Dell, 1952 New Zealand
Montacutona mutsuwanensis A. Yamamoto & T. Habe,1959 Australia, Brisbane