Corematocladus R. Ruedemann, 1909 † (verified source for family)
Cretacicrusta G.F. Elliott, 1972 † (verified source for family)
Gelidinium M.H. Debey & C. von Ettingshausen, 1859 † (verified source for family)
Lochmophycus M.H. Debey & C. von Ettingshausen, 1859 † (verified source for family)
Lomentarites P. Fliche, 1905 † (verified source for family)
Mammillaria Stackhouse, 1809 (verified source for family)
Manitobia W.L. Fry, 1983 † (verified source for family)
Menselina I.A. Antropov in A.P. Jousé, 1967 † (verified source for family)
Plectenchymella I. Kraicz, 1939 † (verified source for family)
Polygonella G.F. Elliott, 1957 † (verified source for family)