• Hystrichosphaeridiaceae Evitt, 1963 † accepted as Thoracosphaeraceae Schiller, 1930
• Hystrichosphaeridina † accepted as Hystrichosphaerina G. Alberti, 1961 †
• Hystrichosphaeridium G. Deflandre, 1937 † [Phylum: Miozoa]
• Hystrichosphaeridium S.N. Naumova, 1968 † (unaccepted) [Phylum: Acritarcha]
• Hystrichosphaeridium amplex †
• Hystrichosphaeridium ancoriferum Cookson & Eisenack †
• Hystrichosphaeridium anthophorum Cookson & Eisenack †
• Hystrichosphaeridium anthrophorum Cookson & Eisenack †
• Hystrichosphaeridium aquitanicum Deunff, 1961 †
• Hystrichosphaeridium arundum Eisenack & Cookson †
• Hystrichosphaeridium bowerbankii Davey & Williams, 1966 †
• Hystrichosphaeridium capitatum Cookson & Eisenack †
• Hystrichosphaeridium choanophorum Deflandre & Cookson, 1955 †
• Hystrichosphaeridium classicum Deunff, 1967 †
• Hystrichosphaeridium complex (White) Deflandre †
• Hystrichosphaeridium denticulatum Courteville in Deflandre, 1946 †
• Hystrichosphaeridium dictyophorum Cookson & Eisenack †
• Hystrichosphaeridium difficile S.B. Manum & I.C. Cookson, 1964 †
• Hystrichosphaeridium echinoides Maier, 1959 †
• Hystrichosphaeridium eoinodes A. Eisenack, 1958 †
• Hystrichosphaeridium heteracanthum Deflandre & Cookson, 1955 †
• Hystrichosphaeridium hirsutum (Ehrenberg, 1833 or, 1854) Eisenack, 1938 †
• Hystrichosphaeridium huguoniotii L. Valensi †
• Hystrichosphaeridium intermedium Eisenack, 1954 †
• Hystrichosphaeridium israelianum M. Rossignol, 1962 † accepted as Operculodinium israelianum (M. Rossignol) D. Wall, 1967
• Hystrichosphaeridium machaerophorum Deflandre & Cookson, 1955 † accepted as Gonyaulax polyedra F. Stein, 1883 accepted as
• Hystrichosphaeridium maslovii Timofeev, 1963 †
• Hystrichosphaeridium microtriainum B. Klumpp †
• Hystrichosphaeridium pachydermum Cookson & Eisenack †
• Hystrichosphaeridium paracostatum Cookson & Eisenack, 1974 †
• Hystrichosphaeridium parvispinum †
• Hystrichosphaeridium patriarchum Deunff, 1967 †
• Hystrichosphaeridium pulcherrimum Deflandre & Cookson, 1966 †
• Hystrichosphaeridium quadridactylites Stockmans & Willière, 1962 †
• Hystrichosphaeridium quadriradiatum Timofeev, 1959 †
• Hystrichosphaeridium recurvatum †
• Hystrichosphaeridium robustum †
• Hystrichosphaeridium salpingophorum Deflandre, 1935 †
• Hystrichosphaeridium semanticum Chibrikova, 1972 †
• Hystrichosphaeridium siluricum Pöthé de Baldis, 1981 †
• Hystrichosphaeridium simplicispinum R.J. Davey & G.L. Williams †
• Hystrichosphaeridium siphoniphorum Cookson & Eisenack †
• Hystrichosphaeridium spiculare Jagielska, 1962 †
• Hystrichosphaeridium torynum Cookson & Eisenack †
• Hystrichosphaeridium trispiculare Jagielska, 1962 †
• Hystrichosphaeridium truncigerum Deflandre †
• Hystrichosphaeridium tubiferum (Ehrenberg) Deflandre, 1937 †
• Hystrichosphaeridium vestitum Deflandre †
• Hystrichosphaeridium viticulosum Andreeva, 1966 †
• Hystrichosphaeridium vitile Andreeva, 1966 †