Pseudosimnia is een geslacht van weekdieren uit de klasse van de Gastropoda (slakken).

Soorten 
 Pseudosimnia adriatica (G. B. Sowerby I, 1828)
 Pseudosimnia alisonae Lorenz & Rosenberg, 2020
 Pseudosimnia angusta Celzard, 2017
 Pseudosimnia bilineata Bozzetti, 2009
 Pseudosimnia carnea (Poiret, 1789)
 Pseudosimnia diaphana (Liltved, 1987)
 Pseudosimnia flava Fehse, 2003
 Pseudosimnia jeanae (C. N. Cate, 1973)
 Pseudosimnia juanjosensii (Pérez & Gómez, 1987)
 Pseudosimnia lacrima Simone & Cunha, 2012
 Pseudosimnia nudelmani Lorenz & Fehse, 2009
 Pseudosimnia pyrulina (A. Adams, 1855)
 Pseudosimnia shikamai (C. N. Cate, 1973)
 Pseudosimnia vanhyningi (M. Smith, 1940)
 Pseudosimnia wieseorum Lorenz, 1985

Synoniemen 
 Pseudosimnia (Aperiovula) C. N. Cate, 1973 => Pseudosimnia Schilder, 1927
 Pseudosimnia (Diminovula) Iredale, 1930 => Diminovula Iredale, 1930
 Pseudosimnia (Diminovula) fruticum (Reeve, 1865) => Prionovolva brevis (G. B. Sowerby I, 1828)
 Pseudosimnia (Vokesina) Dolin & Dockery, 2018 † => Transovula de Gregorio, 1880 †
 Pseudosimnia (Vokesina) anteana Dolin & Dockery, 2018 † => Transovula anteana (Dolin & Dockery, 2018) †
 Pseudosimnia alabaster (Reeve, 1865) => Diminovula alabaster (Reeve, 1865)
 Pseudosimnia anteana Dolin & Dockery, 2018 † => Transovula anteana (Dolin & Dockery, 2018) †
 Pseudosimnia aurantiomacula C. N. Cate & Azuma, 1973 => Diminovula aurantiomacula (C. N. Cate & Azuma, 1973)
 Pseudosimnia caledonica (Crosse, 1871) => Diminovula caledonica (Crosse, 1871)
 Pseudosimnia carnea sensu F. A. Schilder, 1941 not Poiret, 1789 => Sandalia triticea (Lamarck, 1810)
 Pseudosimnia coroniola C. N. Cate, 1973 => Diminovula coroniola (C. N. Cate, 1973)
 Pseudosimnia culmen C. N. Cate, 1973 => Diminovula culmen (C. N. Cate, 1973)
 Pseudosimnia emilyreidae C. N. Cate, 1973 => Diminovula kosugei (C. N. Cate, 1973)
 Pseudosimnia filia Azuma, 1974 => Primovula rosewateri (C. N. Cate, 1973)
 Pseudosimnia florida Kuroda, 1958 => Primovula roseomaculata (Schepman, 1909)
 Pseudosimnia fulguris Azuma & C. N. Cate, 1971 => Primovula fulguris (Azuma & C. N. Cate, 1971)
 Pseudosimnia incisa Azuma & C. N. Cate, 1971 => Diminovula incisa Azuma & C. N. Cate, 1971
 Pseudosimnia kandai C. N. Cate & Azuma in C. N. Cate, 1973 => Testudovolva nipponensis (Pilsbry, 1913)
 Pseudosimnia marginata (G. B. Sowerby I, 1828) => Margovula marginata (G. B. Sowerby I, 1828)
 Pseudosimnia nubila C. N. Cate & Azuma in C. N. Cate, 1973 => Diminovula whitworthi C. N. Cate, 1973
 Pseudosimnia perilla C. N. Cate, 1973 => Diminovula dautzenbergi (F. A. Schilder, 1931)
 Pseudosimnia punctata (Duclos, 1828) => Diminovula punctata (Duclos, 1828)
 Pseudosimnia pyrifera C. N. Cate, 1973 => Pseudosimnia vanhyningi (M. Smith, 1940)
 Pseudosimnia pyriformis sensu Kuroda, 1958 not G. B. Sowerby I, 1828 => Diminovula alabaster (Reeve, 1865)
 Pseudosimnia pyriformis sensu F. A. Schilder, 1941 not G. B. Sowerby I, 1828 => Diminovula alabaster (Reeve, 1865)
 Pseudosimnia sphoni C. N. Cate, 1973 => Pseudosimnia vanhyningi (M. Smith, 1940)
 Pseudosimnia striola C. N. Cate, 1973 => Diminovula dautzenbergi (F. A. Schilder, 1931)
 Pseudosimnia translineata C. N. Cate, 1973 => Margovula translineata (C. N. Cate, 1973)
 Pseudosimnia verepunctata Iredale, 1930 => Diminovula alabaster (Reeve, 1865)
 Pseudosimnia whitworthi C. N. Cate, 1973 => Diminovula whitworthi C. N. Cate, 1973

Ovulidae