• Helicosphaera Kamptner, 1954
• Helicosphaera ampliaperta Bramlette & Wilcoxon, 1967 †
• Helicosphaera bramlettei C. Müller, 1970 †
• Helicosphaera burkei M. Black †
• Helicosphaera californiana D. Bukry, 1981 †
• Helicosphaera carteri (Wallich) Kamptner, 1954
• Helicosphaera carterii (Wallich) Kamptner, 1954 accepted as Helicosphaera carteri (Wallich) Kamptner, 1954
• Helicosphaera colombiana Gartner, 1977 †
• Helicosphaera compacta Bramlette & Wilcoxon, 1967 †
• Helicosphaera crouchii D. Bukry, 1981 †
• Helicosphaera dinesenii K. Perch-Nielsen, 1971 †
• Helicosphaera euphratis B.U. Haq, 1966 †
• Helicosphaera gertae D. Bukry, 1981 †
• Helicosphaera granulata (Bukry & Percival) Jafar & Martini
• Helicosphaera granulata Bukry & Percival, 1971 †
• Helicosphaera heezenii (Bukry) Jafar & Martini
• Helicosphaera heezenii Bukry, 1971 †
• Helicosphaera hyalina Gaarder, 1970 †
• Helicosphaera intermedia Martini, 1965 †
• Helicosphaera inversa Gartner, 1980 †
• Helicosphaera kamptneri (W.H. Hay & H. Mohler) Locker, 1973 accepted as Helicosphaera carteri (Wallich) Kamptner, 1954
• Helicosphaera kamptneri Hay & Mohler in Hay et al., 1967 †
• Helicosphaera lophota Bramlette & Sullivan, 1961 †
• Helicosphaera mediterranea C. Müller, 1981 †
• Helicosphaera minima Martini, 1974 †
• Helicosphaera minuta C. Müller, 1981 †
• Helicosphaera neogranulata Gartner, 1977 †
• Helicosphaera neolophota D. Bukry, 1984 †
• Helicosphaera obliqua Bramlette & Wilcoxon, 1967 †
• Helicosphaera orientalis M. Black, 1971 †
• Helicosphaera pacifica Carla Müller & Brönnimann, 1974 †
• Helicosphaera papillata Bukry & Bramlette, 1969 †
• Helicosphaera parallela Bramlette & Wilcoxon, 1967 † accepted as Helicosphaera euphratis B.U. Haq, 1966 †
• Helicosphaera pavimentum Okada & McIntyre, 1977
• Helicosphaera perch-nielseniae (Haq) Jafar & Martini
• Helicosphaera perch-nielseniae Haq, 1971 †
• Helicosphaera philippinensis C. Müller, 1981 †
• Helicosphaera recta (Haq) Jafar & Martini
• Helicosphaera recta Haq, 1966 †
• Helicosphaera reticulata Bramlette & Wilcoxon, 1967 †
• Helicosphaera rhomba (Bukry) Jafar & Martini
• Helicosphaera rhomba Bukry, 1971 †
• Helicosphaera salebrosa Perch-Nielsen, 1971 †
• Helicosphaera scissura P.L. Miller, 1981 †
• Helicosphaera sellii Bukry & Bramlette, 1969 †
• Helicosphaera seminula Bramlette & Sullivan
• Helicosphaera seminulum Bramlette & Sullivan, 1961 †
• Helicosphaera subantarctica Edwards & Perch-Nielsen, 1975 †
• Helicosphaera truempyi Biolzi & Perch-Nielsen, 1982 †
• Helicosphaera truncata Bramlette & Wilcoxon, 1967 † accepted as Helicosphaera recta Haq, 1966 †
• Helicosphaera vedderi D. Bukry, 1981 †
• Helicosphaera walbersdorfensis Carla Müller, 1974 †
• Helicosphaera wallichii (Lohmann) Okada & McIntyre, 1977
• Helicosphaera wilcoxonii (Gartner) Jafar & Martini
• Helicosphaera wilcoxonii Gartner, 1971 †
• Helicosphaeraceae Black, 1971