Otoplanidae Hallez, 1892

Alaskaplana Ax & Armonies, 1990

Americanaplana Ax & Ax, 1967

Archotoplana Ax, 1956

Bothriomolus Hallez, 1909

Bulbotoplana Ax, 1956

Cirroplana Miller & Faubel, 2003

Dicoelandropora Ax, 1956

Galapagoplana Ax & Ax, 1974

Itaspiella Ax, 1956

Itaspis Marcus, 1952

Kata Marcus, 1949

Kataplana Ax, 1956

Lauraplana Miller & Faubel, 2003

Monostichoplana Ax, 1956

Napoliplana Ax, Weidemann & Ehlers, 1978

Notocaryoplana Steinböck, 1935

Notocaryoturbella Lanfranchi, 1969

Orthoplana Steinböck, 1932

Otoplana Du Plessis, 1889

Otoplanella Ax, 1956

Otoplanidarum

Otoplanidia Meixner, 1938

Paradoxoplana Ax, 1956

Paraplana Ax, 1956

Parotoplana Meixner, 1938

Parotoplanella Ax, 1956

Parotoplanina Ax, 1956

Philosyrtis Giard, 1904

Pluribursaeplana Ax & Ax, 1967

Polyrhabdoplana Ax & Ax, 1967

Postbursoplana Ax, 1956

Praebursoplana Ax, 1956

Pseudorthoplana Ax, Weidemann & Ehlers, 1978

Pseudosyrtis Ax, 1956

Psilosyrtis

Serpentiplana Karling, 1964

Triporoplana Ax, 1956

Xenotoplana Ax, Weidemann & Ehlers, 1978