• Stephanodiscus Ehrenberg, 1845
• Stephanodiscus aegyptiacus Ehrenberg, 1854
• Stephanodiscus agassizensis Håk. & Kling, 1989
• Stephanodiscus akanensis Tuji, Kawashima, Julius & Stoermer, 2003
• Stephanodiscus alpinus Hustedt, 1942
• Stephanodiscus asteroides Gasse, 1980
• Stephanodiscus astraea (Ehrenberg) Grunow, 1880
• Stephanodiscus astraeae
• Stephanodiscus atmosphaerica (Ehrenberg) Håkansson & Locker, 1981
• Stephanodiscus atmosphaericus (Ralfs) H. Håkansson & S. Locker
• Stephanodiscus balatonis Pantocsek
• Stephanodiscus balticus J. Schumann
• Stephanodiscus bellus
• Stephanodiscus berolinensis Ehrenberg, 1846
• Stephanodiscus biharensis Pantocsek
• Stephanodiscus binatus H. Håkansson & H.J. Kling
• Stephanodiscus binderanus (Kützing) Krieger, 1927
• Stephanodiscus biserialis G.A. Prowse
• Stephanodiscus biwensis Skvortzov
• Stephanodiscus bramaputrae Ehrenberg, 1854
• Stephanodiscus carconensis Grunow, 1878
• Stephanodiscus carpathica Ehrenberg
• Stephanodiscus conspicueporus E.F. Stoermer, H. Håkansson & E.C. Theriot
• Stephanodiscus costatilimbus H. Kobayasi & H. Kobayashi, 1986
• Stephanodiscus damasii Hustedt
• Stephanodiscus delicatus S.I. Genkal
• Stephanodiscus densus A.F. Meunier
• Stephanodiscus dubius Hustedt, 1928
• Stephanodiscus dzhilindus G.K. Khursevich, 1994
• Stephanodiscus elegans J.-J. Brun
• Stephanodiscus entzii Pantocsek
• Stephanodiscus epidendrum Ehrenberg
• Stephanodiscus excentricus Hustedt, 1952
• Stephanodiscus exiguus Khursevich
• Stephanodiscus fenestralis G.A. Prowse
• Stephanodiscus formosus Khursevich & Loginova
• Stephanodiscus fossilis Pantocsek
• Stephanodiscus galileensis Håkansson & Ehrlich, 1987
• Stephanodiscus gayhartianus C.S. Boyer
• Stephanodiscus gravitoides V.V. Mukhina
• Stephanodiscus hamadryas Ehrenberg
• Stephanodiscus hantzschi
• Stephanodiscus hantzschianus Grunow, 1882 accepted as Stephanodiscus hantzschii Grunow, 1880
• Stephanodiscus hantzschii Grunow, 1880
• Stephanodiscus heterostylus Håk. & Meyer, 1994
• Stephanodiscus incognitus G.V. Kuzmin & S.I. Genkal
• Stephanodiscus inconspicua Makarova & Pomazkina
• Stephanodiscus inconspicuus Makarova & Pomazkina, 1992
• Stephanodiscus invisitatus Hohn & Hellermann, 1963
• Stephanodiscus irregularis Druart, Reymond Pelletier & Gasse, 1987
• Stephanodiscus jamsranii M.B. Edlund, R.M. Williams & N. Soninkhishig, 2003
• Stephanodiscus kanitzii Pantocsek & Grunow
• Stephanodiscus khurseviczae Y.V. Likhoshway
• Stephanodiscus komoroensis H. Tanaka
• Stephanodiscus kuetzingii Klee & Casper
• Stephanodiscus kutzingiana (unaccepted > nomen nudum)
• Stephanodiscus lineatus Ehrenberg
• Stephanodiscus lucens Hustedt, 1939
• Stephanodiscus major A.M. Edwards
• Stephanodiscus makarovae Genkal
• Stephanodiscus marginatus V.V. Mukhina
• Stephanodiscus matrensis Pantocsek
• Stephanodiscus medius Håkansson, 1986
• Stephanodiscus minor Reverdin, 1918
• Stephanodiscus minuta (Kützing) Round
• Stephanodiscus minutulus (Kützing) Cleve & Möller, 1882
• Stephanodiscus minutulus (Kützing) Round, 1981 accepted as Stephanodiscus minutulus (Kützing) Cleve & Möller, 1882
• Stephanodiscus minutus Grunow ex Cleve & V. Möller
• Stephanodiscus minutus Pantocsek
• Stephanodiscus mongolicus M.B. Edlund, N. Soninkhishig & R.M. Williams, 2003
• Stephanodiscus muelleri R. Klee & S.J. Casper
• Stephanodiscus nativus E.G. Lupikina, G.K. Khursevich & S.P. Ozornina
• Stephanodiscus nemanensis G.K. Khursevich
• Stephanodiscus neoastraea Håkansson & Hickel, 1986
• Stephanodiscus niagarae Ehrenberg, 1845
• Stephanodiscus nipigonensis H.J. Kling & H. Håkansson
• Stephanodiscus novae-zeelandiae Cleve accepted as Cyclostephanos novae-zeelandiae (Cleve) Round, 1982
• Stephanodiscus omarensis I.A. Kuptsova
• Stephanodiscus oregonica (Ehrenberg) H. Håkansson
• Stephanodiscus oregonica (Ehrenberg) H. Håkansson, 1986
• Stephanodiscus oregonicus (Ehrenberg) Håk., 1986
• Stephanodiscus pantocsekii F. Fricke
• Stephanodiscus parvus Stoermer & Håkansson, 1984
• Stephanodiscus perforatus Genkal & Kuzmin, 1978
• Stephanodiscus ponticus A.P. Jousé
• Stephanodiscus prohantzschii A.P. Jousé
• Stephanodiscus pseudosuzukii A. Tuji & J.P. Kociolek, 2000
• Stephanodiscus pulcherrimus Cleve-Euler accepted as
• Stephanodiscus punctatus (W. Smith) Grunow, 1878
• Stephanodiscus pusillus (Grunow) Willi Krieger
• Stephanodiscus radiatus K.K. Serieyssol, E. Theriot & F. Gasse
• Stephanodiscus rhombus Mahood, 1981
• Stephanodiscus robustus A.I. Proshkina-Lavrenko
• Stephanodiscus rotula (Kützing) Hendey, 1964
• Stephanodiscus rugosus J. Sieminska & D. Chudybowa
• Stephanodiscus sinensis Ehrenberg
• Stephanodiscus skabitschevskyi Popovskaya, 1966
• Stephanodiscus socialis I.V. Makarova & A.I. Proshkina-Lavrenko
• Stephanodiscus soochowensis Skvortzov
• Stephanodiscus speciosus V.V. Mukhina