Suborder Spumellaria Ehrenberg, 1875 see Class Spumellaria Ehrenberg, 1875 Family Actinommidae Haeckel, 1862 Subfamily Actinomminae Takahashi, 1991 see Family Actinommidae Haeckel, 1862 Genus Cromyechinus Haeckel, 1881 Cromyechinus borealis (Cleve, 1898) see Actinomma boreale Cleve, 1899