IRMNG Taxon list
Sphaeragalma rotunda Margulis, 1976 accepted as Stephanomia amphytridis Lesueur & Petit, 1807
Stephanomia amphitridis Kawamura, 1954 accepted as Halistemma foliacea (Quoy & Gaimard, 1833)
Stephanomia amphytridis Lesueur & Petit, 1807
Stephanomia atlantica Fewkes, 1882 accepted as Forskalia edwardsi Kölliker, 1853
Stephanomia bijuga Bigelow, 1911 accepted as Nanomia bijuga (Delle Chiaje, 1844)
Stephanomia cara Bigelow, 1911 in part accepted as Nanomia cara A. Agassiz, 1865
Stephanomia contorta Leuckart, 1853 accepted as Forskalia edwardsi Kölliker, 1853
Stephanomia contorta Milne Edwards, 1841 accepted as Forskalia contorta (Milne-Edwards, 1841)
Stephanomia convoluta Moser, 1925 accepted as Resomia convoluta (Moser, 1925)
Stephanomia excisa Leuckart, 1853 accepted as Forskalia contorta (Milne-Edwards, 1841)
Stephanomia imbricata Quoy & Gaimard, 1834
Stephanomia nereidum Haeckel, 1888 accepted as Halistemma foliacea (Quoy & Gaimard, 1833)
Stephanomia orthocanna Kramp, 1942 accepted as Marrus orthocanna (Kramp, 1942)
Stephanomia picta Garstang, 1946 accepted as Nanomia bijuga (Delle Chiaje, 1844)
Stephanomia pictum Metschnikoff, 1874
Stephanomia prolifera Milne Edwards, 1841 accepted as Forskalia edwardsi Kölliker, 1853
Stephanomia rubra (Vogt, 1852) accepted as Halistemma rubrum (Vogt, 1852)
Stephanomia similis (Margulis, 1977) accepted as Resomia similis (Margulis, 1977)