of Dentimargo hesperia (Sykes, 1905) Marginella hirasei Bavay, 1917: synonym of Volvarina hirasei (Bavay, 1917) Marginella hondurasensis Reeve, 1865: synonym of Prunum pulchrum (Gray, 1839) Marginella hyalina Thiele, 1912: synonym of Volvarina hyalina (Thiele, 1912) Marginella ignota Jousseaume, 1875: synonym of Dentimargo neglecta (G.B. Sowerby II, 1846) Marginella imitator Dall, 1927: synonym of Dentimargo imitator (Dall, 1927) Marginella immaculata Dall, 1890: synonym of Dentimargo aureocincta (Stearns, 1872): synonym of Dentimargo aureocinctus (Stearns, 1872) Marginella immersa Reeve, 1865: synonym of Cryptospira immersa (Reeve, 1865) Marginella imperatrix Sykes, 1905: synonym of Glabella pseudofaba (G.B. Sowerby II, 1846) Marginella incessa Dall, 1927: synonym of Dentimargo incessa (Dall, 1927) Marginella inconspicua G. B. Sowerby II, 1846: synonym of Mesoginella inconspicua (G. B. Sowerby, 1846) Marginella inepta Dall, 1927: synonym of Hyalina discors (Roth, 1974) Marginella inflexa Sowerby G.B. I, 1846: synonym of Volvarina mitrella (Risso, 1826) Marginella ingloria E. A. Smith, 1910: synonym of Volvarina ingloria (E. A. Smith, 1910) Marginella innocens Turton, 1932: synonym of Hyalina perla (Marrat, 1876) Marginella intermedia G. B. Sowerby II, 1846: synonym of Marginella floccata G. B. Sowerby III, 1889 Marginella interrupta Lamarck, 1822: synonym of Persicula interruptolineata (Mühlfeld, 1816) Marginella iota Hedley, 1899: synonym of Cystiscus iota (Hedley, 1899) Marginella isabelae Borro, 1946: synonym of Volvarina isabelae (Borro, 1946) Marginella isseli G. Nevill & H. Nevill, 1875: synonym of Granulina isseli (G. Nevill & H. Nevill, 1875) Marginella ithychila Tomlin, 1918: synonym of Gibberula dulcis (E. A. Smith, 1904) Marginella jaspidea Schwengel, 1940: synonym of Eratoidea hematita (Kiener, 1834) Marginella jewettii Carpenter, 1857: synonym of Plesiocystiscus jewettii (Carpenter, 1857) Marginella johnstoni Petterd, 1884: synonym of Austroginella johnstoni (Petterd, 1884) Marginella jousseaumei Locard, 1897: synonym of Marginella subturrita P. Fischer, 1884 Marginella jousseaumi Locard, 1897: synonym of Marginella subturrita P. Fischer, 1884 Marginella jousseaumi Rochebrune, 1881: synonym of Prunum sauliae (G. B. Sowerby II, 1846): synonym of Volvarina sauliae (G. B. Sowerby II, 1846) Marginella judithae Dell, 1956: synonym of Mesoginella judithae (Dell, 1956) Marginella keenii Marrat, 1871: synonym of Hyalina keenii (Marrat, 1871) Marginella kemblensis Hedley, 1903: synonym of Dentimargo kemblensis (Hedley, 1903) Marginella keppeli Sykes, 1905: synonym of Glabella tyermani (Marrat, 1876) Marginella kerochuta Shackleford, 1914: synonym of Alaginella kerochuta (Shackleford, 1914) Marginella kieneriana Petit de la Saussaye, 1838: synonym of Pachybathron kienerianum (Petit de la Saussaye, 1838) Marginella kowiensis Turton, 1932: synonym of Alaginella atracta (Tomlin, 1918) Marginella labiata Kiener, 1841: synonym of Prunum labiatum