of Cystiscus manceli (Jousseaume, 1875) Marginella maoria Powell, 1937: synonym of Ovaginella maoria (Powell, 1937) Marginella maoriana Powell, 1932: synonym of Serrata maoriana (Powell, 1932) Marginella margarita Kiener, 1834: synonym of Eratoidea margarita (Kiener, 1834) Marginella margaritula Carpenter, 1857: synonym of Granulina margaritula (Carpenter, 1857) Marginella marginata (Born, 1778): synonym of Prunum marginatum (Born, 1778) Marginella marianae Bozzetti, 1999: synonym of Prunum pyrumoides Lussi & G. Smith, 1999 Marginella martini Petit de la Saussaye, 1853: synonym of Prunum martini (Petit de la Saussaye, 1853) Marginella matthewsi Van Mol & Tursch, 1967: synonym of Bullata matthewsi (Van Mol & Tursch, 1967) Marginella maugeana Hedley, 1915: synonym of Dentimargo kemblensis (Hedley, 1903) Marginella mayii Tate, 1900: synonym of Dentimargo mayii (Tate, 1900) Marginella meta Thiele, 1925: synonym of Serrata meta (Thiele, 1925) Marginella metcalfei Angas, 1877: synonym of Alaginella ochracea (Angas, 1871) Marginella micans Petit de la Saussaye, 1851: synonym of Volvarina micans (Petit de la Saussaye, 1851) Marginella microgonia Dall, 1927: synonym of Cystiscus microgonia (Dall, 1927) Marginella microscopica May, 1911: synonym of Balanetta cylichnella (May, 1918) Marginella miliaria (Linnaeus, 1758): synonym of Gibberula miliaria (Linnaeus, 1758) Marginella miliaris (Linnaeus, 1758): synonym of Gibberula miliaria (Linnaeus, 1758) Marginella minima Petterd, 1884: synonym of Cystiscus angasi (Crosse, 1870) Marginella minor Tate & May, 1901: synonym of Austroginella johnstoni (Petterd, 1884) Marginella minuta Philippi, 1844: synonym of Gibberula philippii (Monterosato, 1878) Marginella minutissima Tenison-Woods, 1876: synonym of Cystiscus minutissimus (Tenison-Woods, 1876) Marginella mirabilis H. Adams, 1869: synonym of Glabella mirabilis (H. Adams, 1869) Marginella mixta Petter, 1884: synonym of Hydroginella mixta (Petterd, 1884) Marginella monilis (Linnaeus, 1758): synonym of Prunum monile (Linnaeus, 1758) Marginella montrouzieri Bavay, 1922: synonym of Cystiscus montrouzieri (Bavay, 1922) Marginella moscatelli Boyer, 1997: synonym of Marginella cloveri Rios & Matthews, 1972 Marginella multizonata Krauss, 1848: synonym of Hyalina cylindrica (G.B. Sowerby II, 1846) Marginella muscaria Lamarck, 1822: synonym of Austroginella muscaria (Lamarck, 1822) Marginella mustelina Angas, 1871: synonym of Serrata mustelina (Angas, 1871) Marginella nana Marrat, 1877: synonym of Gibberula quadrifasciata (Marrat, 1873) Marginella narel Jousseaume, 1875: synonym of Glabella adansoni (Kiener, 1834) Marginella neglecta G. B. Sowerby II, 1846: synonym of Dentimargo neglecta (G.B. Sowerby II, 1846) Marginella neptuni W. Turton, 1932: synonym of Granulina grata (Thiele, 1925) Marginella nevilli Jousseaume, 1875: synonym of Volvarina nevilli (Jousseaume, 1875) Marginella nielseni Laseron, 1948: synonym of Cystiscus minutissimus (Tenison-Woods, 1876) Marginella nigrocrocea Barnard, 1969: synonym of Plesiocystiscus aphanospira (Tomlin, 1913)