• Oxytoxum Stein, 1883
• Oxytoxum aceratum Rampi
• Oxytoxum adriaticum Schiller, 1937
• Oxytoxum areolatum Rampi, 1946
• Oxytoxum belgicae Meunier, 1910
• Oxytoxum biconicum (Kofoid) Dodge & Saunders, 1984
• Oxytoxum boehmii Schiller, 1937 accepted as Oxytoxum sphaeroideum Stein, 1883
• Oxytoxum brunellii Rampi, 1939
• Oxytoxum carinatum Gaarder, 1954
• Oxytoxum caudatum Schiller, 1937
• Oxytoxum challengeroides Kofoid, 1907
• Oxytoxum compressum Kofoid accepted as Corythodinium compressum (Kofoid) Taylor, 1976
• Oxytoxum constrictum (Stein) Bütschli, 1885
• Oxytoxum coronatum Schiller, 1937
• Oxytoxum crassum Schiller, 1937
• Oxytoxum cribosum Stein, 1883
• Oxytoxum criophilum Balech, 1965
• Oxytoxum cristatum Kofoid
• Oxytoxum curvatum (Kofoid) Kofoid, 1911
• Oxytoxum curvicaudatum Kofoid
• Oxytoxum depressum Schiller, 1937
• Oxytoxum diploconus Stein
• Oxytoxum elegans Pavillard, 1916
• Oxytoxum elongatum Wood, 1963
• Oxytoxum gigas Kofoid, 1907 accepted as Schuettiella mitra (Schütt) E. Balech, 1988
• Oxytoxum gladiolus Stein, 1883
• Oxytoxum globosum Schiller
• Oxytoxum gracile Schiller, 1937
• Oxytoxum laticeps Schiller, 1937
• Oxytoxum lativelatum F.J.R. Taylor, 1976 accepted as Oxytoxum ovale Schiller, 1937
• Oxytoxum latum Gaarder, 1954
• Oxytoxum ligusticum Rampi
• Oxytoxum longiceps Schiller
• Oxytoxum longum Schiller, 1937
• Oxytoxum margalefi Rampi, 1969 accepted as Amphidoma caudata Halldal, 1953
• Oxytoxum margalefii Rampi, 1969 accepted as Amphidoma caudata Halldal, 1953
• Oxytoxum mediterraneum Schiller
• Oxytoxum michaelsarsii Gaarder, 1954
• Oxytoxum milneri Murray & Whitting, 1899
• Oxytoxum minutum Rampi, 1941
• Oxytoxum mitra Stein, 1883
• Oxytoxum muconatum Hope
• Oxytoxum mucronatum Hope, 1954
• Oxytoxum nanum Halldal, 1953 accepted as Oxytoxum caudatum Schiller, 1937
• Oxytoxum nanus Halldal
• Oxytoxum obesum Rampi, 1969
• Oxytoxum obliquum Schiller, 1937
• Oxytoxum ovale Schiller, 1937
• Oxytoxum ovum Gaarder, 1954
• Oxytoxum pachyderme Schiller ex F.J.R. Taylor, 1976
• Oxytoxum parvum Schiller, 1937
• Oxytoxum punctulatum Rampi, 1952
• Oxytoxum pyramidale Dodge & Saunders, 1985
• Oxytoxum radiosum Rampi, 1951
• Oxytoxum rampii Sournia, 1973
• Oxytoxum renuistriatum Rampi
• Oxytoxum reticulatum (Stein) Schütt, 1899
• Oxytoxum reticulatum Bütschli, 1885 accepted as Corythodinium reticulatum (Stein) Taylor, 1976
• Oxytoxum robustum Kofoid, 1911
• Oxytoxum sceptrum (Stein, 1883) Schröder, 1906
• Oxytoxum scolopax Stein, 1883
• Oxytoxum semicollatum F.J.R. Taylor, 1976
• Oxytoxum sphaeroideum Stein, 1883
• Oxytoxum spinosum Rampi
• Oxytoxum strophalatum Dodge & Saunders, 1985
• Oxytoxum subulatum Kofoid
• Oxytoxum tenuistriatum Rampi, 1943 accepted as Oxytoxum parvum Schiller, 1937
• Oxytoxum tesselatum (Stein) F. Schütt, 1895
• Oxytoxum tessellatum (Stein, 1883) Schütt, 1895
• Oxytoxum tonollii Rampi, 1969 accepted as Amphidoma caudata Halldal, 1953
• Oxytoxum turbo Kofoid, 1907
• Oxytoxum variabile Schiller, 1937
• Oxytoxum variabilis Schiller
• Oxytoxum viride Schiller, 1937