| Full Current Name |
| Propilidium curumim Leal & Simone, 1998 |
| Lottia subrugosa (d'Orbigny, 1841) |
| Perotrochus amabilis (F. M. Bayer, 1963) |
| Perotrochus atlanticus Rios & Matthews, 1968 |
| Anatoma aedonia (Watson, 1886) |
| Haliotis aurantium Simone, 1998 |
| Fissurella rosea (Gmelin, 1791) |
| Diodora patagonica (d'Orbigny, 1839) |
| Fissurellidea megatrema d'Orbigny, 1839 |
| Lucapinella limatula (Reeve, 1850) |
| Lucapinella henseli (Martens, 1900) |
| Cranopsis granulata (Seguenza, 1862) |
| Emarginula tuberculosa Libassi, 1859 |
| Calliostoma axelolssoni Quinn, 1992 |
| Calliostoma jucundum (Gould, 1849) |
| Calliostoma coppingeri (E. A. Smith, 1880) |
| Photinula blakei (Clench & Aguayo, 1938) |
| Halistylus columna (Dall, 1890) |
| Solariella patriae Carcelles, 1953 |
| Solariella lubrica (Dall, 1881) |
| Arene microforis (Dall, 1889) |
| Arene bairdii (Dall, 1889) |
| Homalopoma boffii Marini, 1975 |
| Tegula patagonica (d'Orbigny, 1835) |
| Margarites mirabilis Simone & Birman, 2006 |
| Mirachelus clinocnemus Quinn, 1979 |
| Seguenzia hapala Woodring, 1928 |
| Ancistrobasis costulata (Watson, 1879) |
| Bittiolum varium (Pfeiffer, 1840) |
| Barleeia rubrooperculata (Castellanos & Fernández, 1972) |
| Caecum striatum Folin, 1868 |
| Heleobia australis (d'Orbigny, 1835) |
| Heleobia robusta da Silva & Veitenheimer-Mendes, 2004 |
| Solariorbis shimeri (Clapp, 1914) |
| Xenophora caribaea Petit, 1857 |
| Crepidula protea (d'Orbigny, 1841) |
| Bostrycapulus odites R. Collin, 2005 |
| Crepidula intratesta Simone, 2006 |
| Macromphalina argentina Castellanos, 1975 |
| Pseudosimnia vanhyningi (M. Smith, 1940) |
| Lamellaria patagonica E. A. Smith, 1881 |
| Notocochlis isabelleana (d'Orbigny, 1840) |
| Bursa ranelloides tenuisculpta Dautzenberg & Fischer, 1906 |
| Semicassis labiata iheringi (Carcelles, 1953) |
| Distorsio perdistorta Fulton, 1938 |
| Distorsio constricta mcgintyi Emerson & Puffer, 1953 |
| Ranella olearius (Linnaeus, 1758) |
| Cabestana felipponei (Ihering, 1907) |
| Fusitriton brasiliensis Cossignani & Cossignani, 2003 |
| Fusitriton cancellatus (Lamarck, 1816) |
| Tonna galea (Linnaeus, 1758) |
| Epitonium frielei (Dall, 1889) |
| Epitonium georgettinum (Kiener, 1838) |
| Epitonium striatellum (Nyst, 1871) |
| Epitonium magellanicum (Philippi, 1845) |
| Cylindriscala andrewsii (A. E. Verrill, 1882) |
| Epitonium humphreysii (Kiener, 1838) |
| Epitonium dallianum (Verrill & Smith, 1880) |
| Janthina exigua Lamarck, 1816 |
| Janthina globosa Swainson, 1822 |
| Vitreolina arcuata (C. B. Adams, 1850) |
| Niso aeglees Bush, 1885 |
| Melanella jamaicensis (C. B. Adams, 1845) |
| Eulima bifasciata d'Orbigny, 1841 |
| Eulima auricincta (Abbott, 1958) |
| Coronium coronatum (Penna-Neme & Leme, 1978) |
| Siratus beauii (Fischer & Bernardi, 1857) |
| Murexiella hidalgoi (Crosse, 1869) |
| Orania fusulus (Brocchi, 1814) |
| Urosalpinx cala (Pilsbry, 1897) |
| Babelomurex dalli (Emerson & D'Attilio, 1963) |
| Orania grayi (Dall, 1889) |
| Trophon patagonicus (d'Orbigny, 1839) |
| Typhis belcheri Broderip, 1833 |
| Trophon acanthodes Watson, 1882 |
| Coralliophila aedonia (Watson, 1886) |
| Siphonochelus riosi (Bertsch & D'Attilio, 1980) |
| Urosalpinx haneti (Petit, 1856) |
| Trophon iarae Houart, 1998 |
| Trophon pelseneeri E. A. Smith, 1915 |
| Babelomurex mansfieldi (McGinty, 1940) |
| Cosmioconcha humfreyi Jong & Coomans, 1988 |
| Aesopus obesus (Hinds, 1844) |
| Parvanachis isabellei (d'Orbigny, 1839) |
| Metula agassizi Clench & Aguayo, 1941 |
| Fusinus frenguelli (Carcelles, 1953) |
| Buccinanops uruguayensis (Pilsbry, 1897) |
| Buccinanops duartei Klappenbach, 1961 |
| Nassarius scissuratus (Dall, 1889) |
| Buccinanops monilifer (Kiener, 1834) |
| Buccinanops cochlidium (Dillwyn, 1817) |
| Buccinanops deformis (King & Broderip, 1832) |
| Cancilla larranagai (Carcelles, 1947) |
| Olivancillaria carcellesi Klappenbach, 1965 |
| Olivella formicacorsii Klappenbach, 1962 |
| Olivancillaria uretai Klappenbach, 1965 |
| Olivella riosi Klappenbach, 1991 |
| Olivella tehuelcha (Duclos, 1835) |
| Olivella plata (Ihering, 1908) |
| Amalda josecarlosi Pastorino, 2003 |
| Olivella orejasmirandai Klappenbach, 1986 |
| Olivancillaria urceus (Röding, 1798) |
| Olivella santacruzence Castellanos & Fernández, 1965 |
| Olivancillaria contortuplicata (Reeve, 1850) |
| Olivella puelcha (Duclos, 1835) |
| Olivancillaria teaguei Klappenbach, 1964 |
| Olivancillaria auricularia (Lamarck, 1811) |
| Olivancillaria deshayesiana (Ducros, 1857) |
| Adelomelon ancilla (Lightfoot, 1786) |
| Adelomelon beckii (Broderip, 1836) |
| Adelomelon riosi Clench & Turner, 1964 |
| Odontocymbiola americana (Reeve, 1856) |
| Minicymbiola corderoi (Carcelles, 1953) |
| Nanomelon vossi Leal & Rios, 1990 |
| Zidona dufresnei (Donovan, 1823) |
| Nanomelon viperinum Leal & Bouchet, 1989 |
| Pachycymbiola brasiliana (Lightfoot, 1786) |
| Volvarina pontesi Rios & Leal, 1993 |
| Prunum martini (Petit, 1853) |
| Prunum fulminatum (Kiener, 1841) |
| Prunum rubens (Martens, 1881) |
| Conus villepinii Fischer & Bernardi, 1857 |
| Conus mcgintyi Pilsbry, 1955 |
| Terebra gemmulata Kiener, 1838 |
| Terebra doellojuradoi Carcelles, 1953 |
| Carinodrillia braziliensis (E. A. Smith, 1915) |
| Spirotropis patagonica (d'Orbigny, 1841) |
| Benthomangelia antonia (Dall, 1881) |
| Fusiturricula lavinoides (Olsson, 1922) |
| Brachytoma rioensis (E. A. Smith, 1915) |
| Pleurotomella cala (Watson, 1886) |
| Pleurotomella aguayoi (Carcelles, 1953) |
| Fusiturricula taurina (Olsson, 1922) |
| Oenopota magellanica (Martens, 1881) |
| Corinnaeturris leucomata (Dall, 1881) |
| Daphnella retifera (Dall, 1889) |
| Cochlespira elongata Simone, 1999 |
| Rimosodaphnella morra (Dall, 1881) |
| Benthomangelia macra (Watson, 1881) |
| Splendrillia carolinae (Bartsch, 1934) |
| Pleurotomella ipara (Dall, 1881) |
| Spirotropis stirophora (Watson, 1881) |
| Spirotropis lithocolleta (Watson, 1881) |
| Kurtziella serga (Dall, 1881) |
| Ithycythara lanceolata (C. B. Adams, 1850) |
| Cryoturris adamsii (E. A. Smith, 1884) |
| Granoturris padolina Fargo, 1953 |
| Leucosyrinx hemimeres (Watson, 1881) |
| Polystira formosissima (E. A. Smith, 1915) |
| Architectonica nobilis Röding, 1798 |
| Heliacus bisulcatus (d'Orbigny, 1842) |
| Turbonilla atypha Bush, 1899 |
| Turbonilla midas Pimenta & Absalao, 2004 |
| Turbonilla dispar Pilsbry, 1897 |
| Turbonilla zulmae Pimenta & Absalao, 1998 |
| Turbonilla rushii Bush, 1899 |
| Turbonilla brasiliensis Clessin, 1902 |
| Boonea seminuda (C. B. Adams, 1839) |
| Turbonilla farroupilha Pimenta & Absalao, 2004 |
| Turbonilla aracruzensis Pimenta & Absalao, 2004 |
| Turbonilla uruguayensis Pilsbry, 1897 |
| Turbonilla portoricana Dall & Simpson, 1901 |
| Crenilabium birmani Simone, 2006 |
| Acteon pelecais Ev. Marcus, 1972 |
| Mysouffa cumingii (A. Adams, 1855) |
| Bulla striata Bruguičre, 1792 |
| Bulla occidentalis A. Adams, 1850 |
| Haminoea elegans (Gray, 1825) |
| Cylichna verrillii Dall, 1889 |
| Cylichna discus Watson, 1883 |
| Acteocina candei (d'Orbigny, 1841) |
| Cylichnella bidentata (d'Orbigny, 1841) |
| Scaphander nobilis A. E. Verrill, 1884 |
| Philine mera Ev. Marcus & Er. Marcus, 1969 |
| Philine alba Mattox, 1958 |
| Philine falklandica A. W. B. Powell, 1951 |
| Volvulella paupercula (Watson, 1883) |
| Volvulella persimilis (Mörch, 1875) |
| Bursatella leachii Blainville, 1817 |
| Pleurobranchaea inconspicua Bergh, 1897 |
| Tritonia eriosi Ev. Marcus, 1983 |
| Glaucus atlanticus Forster, 1777 |
| Siphonaria lessoni Blainville, 1824 |
| Acar domingensis (Lamarck, 1819) |
| Limopsis davinae Esteves, 1984 |
| Aulacomya atra (Molina, 1782) |
| Crassostrea rhizophorae (Guilding, 1828) |
| Pododesmus leloiri Carcelles, 1941 |
| Parvamussium marmoratum (Dall, 1881) |
| Crassatella uruguayensis E. A. Smith, 1880 |
| Donax gemmula Morrison, 1971 |
| Retrotapes exalbidus (Dillwyn, 1817) |
| Corbula tryoni E. A. Smith, 1880 |
| Erodona mactroides Bosc, 1802 |
| Myonera paucistriata Dall, 1886 |
| Trigonulina ornata d'Orbigny, 1853 |
| Spinosipella tinga Simone & Cunha, 2008 |
| Haliris fischeriana (Dall, 1881) |
| Bushia rushii (Pilsbry, 1897) |
| Antalis cerata (Dall, 1881) |
| Fissidentalium floridense (Henderson, 1920) |
| Paradentalium infractum (Odhner, 1913) |
| Graptacme calamus (Dall, 1889) |
| Gadila braziliensis (Henderson, 1920) |
| Polyschides tetraschistus (Watson, 1879) |
