Between brackets is the number of accepted species
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- Biota
- Kingdom Animalia
- Phylum Acanthocephala
- Phylum Agmata †
- Phylum Animalia (awaiting allocation)
- Phylum Animalia incertae sedis
- Phylum Annelida
- Phylum Arthropoda
- Phylum Brachiopoda
- Phylum Bryozoa
- Phylum Cephalorhyncha incertae sedis
- Phylum Chaetognatha
- Phylum Chitinozoa †
- Phylum Chordata
- Phylum Cnidaria
- Phylum Ctenophora
- Phylum Cycliophora
- Phylum Cycloneuralia incertae sedis
- Phylum Ecdysozoa incertae sedis †
- Phylum Echinodermata
- Phylum Entoprocta
- Phylum Gastrotricha
- Phylum Gnathostomulida
- Phylum Hemichordata
- Phylum Hyolitha †
- Phylum Kinorhyncha
- Phylum Lobopoda †
- Phylum Loricifera
- Phylum Micrognathozoa
- Phylum Mollusca
- Class Aplacophora
- Class Bivalvia
- Class Calyptoptomatida †
- Class Camerothecida
- Class Cephalopoda
- Class Cricoconarida †
- Class Gastropoda
- Subclass Neritimorpha
- Subclass Neritimorpha incertae sedis
- Subclass Vetigastropoda
- Subclass Vetigastropoda incertae sedis
- Order Acochlidiacea
- Order Acochlidioidea
- Order Allogastropoda †
- Order Anaspidea
- Order Archaeogastropoda
- Order Archaeopulmonata
- Order Architaenioglossa
- Order Architaenoglossa accepted as Architaenioglossa
- Order Basommatophora
- Order Basommatophora incertae sedis
- Order Bellerophontida †
- Order Caenogastropoda (awaiting allocation)
- Order Caenogastropoda incertae sedis
- Order Cephalaspidea
- Order Cocculiniformia
- Order Coenogastropoda incertae sedis
- Order Cylindrobullida
- Order Cyrtoneritimorpha †
- Order Docoglossa
- Order Ellobiida
- Order Eogastropoda
- Order Euomphalina †
- Order Eupulmonata incertae sedis
- Order Gastropoda (awaiting allocation)
- Order Gastropoda incertae sedis
- Order Gymnosomata
- Order Helicinoidea †
- Order Heterobranchia incertae sedis
- Order Heterostropha
- Order Heterostrophia accepted as Heterostropha
- Order Hygrophila
- Order Hypsogastropoda incertae sedis
- Order Littorinimorpha
- Order Macluritina †
- Order Mesogastropoda
- Order Mimospirida †
- Order Murchisoniina †
- Order Muricoidea
- Order Neogastropoda
- Family Acusidae Gray, 1853 accepted as Terebridae Mörch, 1852
- Family Admetidae Troschel, 1865 accepted as Cancellariidae Gray, 1853
- Family Anachidae Golikov & Starobogatov, 1972 accepted as Columbellidae Swainson, 1840
- Family Ancillariidae Swainson, 1840
- Family Babyloniidae Kuroda, Habe & Oyama, 1971
- Family Bellolividae Kantor, Fedosov, Puillandre, Bonillo & Bouchet, 2017
- Family Belomitridae Kantor, Puillandre, Rivasseau & Bouchet, 2012
- Family Benthobiidae Kantor, Fedosov, Puillandre, Bonillo & Bouchet, 2017
- Family Borsoniidae Bellardi, 1875
- Family Bouchetispiridae Kantor, Strong & Puillandre, 2012
- Family Buccinidae Rafinesque, 1815
- Family Buccinoidea (awaiting allocation)
- Family Buccinulidae Finlay, 1928 † accepted as Buccinidae Rafinesque, 1815
- Family Busyconidae Wade, 1917 (1867)
- Family Cancellariidae Gray, 1853
- Family Charitodoronidae Fedosov, Herrmann, Kantor & Bouchet in Fedosov et al., 2018
- Family Clathurellidae H. Adams & A. Adams, 1858
- Family Clavatulidae Gray, 1853
- Family Clavidae Casey, 1904 accepted as Drilliidae Olsson, 1964
- Family Clavilithidae Vermeij & M. A. Snyder, 2018 †
- Family Clionellidae Stimpson, 1865 accepted as Clavatulidae Gray, 1853
- Family Cochlespiridae Powell, 1942
- Family Colubrariidae Dall, 1904
- Family Columbariidae Tomlin, 1928
- Family Columbellidae Swainson, 1840
- Family Cominellidae accepted as Buccinidae Rafinesque, 1815
- Family Concholepadidae Perrier, 1897 accepted as Muricidae Rafinesque, 1815
- Family Conidae Fleming, 1822
- Family Conilithidae Tucker & Tenorio, 2009 accepted as Conidae Fleming, 1822
- Family Conoidea (awaiting allocation)
- Family Conoidea incertae sedis
- Family Conorbidae de Gregorio, 1880
- Family Coralliophilidae Chenu, 1859 accepted as Muricidae Rafinesque, 1815
- Family Costellariidae MacDonald, 1860
- Family Cynodontidae MacDonald, 1860 accepted as Turbinellidae Swainson, 1840
- Family Cystiscidae Stimpson, 1865
- Family Dolicholatiridae Kantor, Fedosov, Kosyan, Puillandre, Sorokin, Kano, Clark & Bouchet, 2021
- Family Drilliidae Olsson, 1964
- Family Echinofulguridae Petuch, 1994 †
- Family Eosiphonidae Kantor, Fedosov, Kosyan, Puillandre, Sorokin, Kano, Clark & Bouchet, 2021
- Family Fasciolariidae Gray, 1853
- Family Fusidae Iredale, 1915 † accepted as Colubrariidae Dall, 1904
- Family Granulinidae Coovert & Coovert, 1995
- Family Harpidae Bronn, 1849
- Family Horaiclavidae Bouchet, Kantor, Sysoev & Puillandre, 2011
- Family Johnwyattiidae †
- Family Magilidae Thiele, 1925 accepted as Muricidae Rafinesque, 1815
- Family Mangeliidae P. Fischer, 1883
- Family Marginellidae Fleming, 1828
- Family Melapiidae Kantor, 1991 † accepted as Strepsiduridae Cossmann, 1901 †
- Family Melatomidae Gill, 1871 accepted as Clavatulidae Gray, 1853
- Family Melongenidae Gill, 1867
- Family Mitridae Swainson, 1831
- Family Mitrolumnidae Sacco, 1904 accepted as Mitromorphidae Bouchet, Kantor, Sysoev & Puillandre, 2011
- Family Mitromorphidae Bouchet, Kantor, Sysoev & Puillandre, 2011
- Family Muricidae Rafinesque, 1815
- Family Muricoidea (awaiting allocation)
- Family Nassariidae Iredale, 1916
- Genus Acicularia Carus & Gerstaecker, 1875
- Genus Aciculina A. Adams, 1853 accepted as Nassarius Duméril, 1805
- Genus Adenus Yokoyama, 1926 accepted as Adinus H. Adams & A. Adams, 1853
- Genus Adimus Schaufuss, 1869 accepted as Adinus H. Adams & A. Adams, 1853
- Genus Adinassa Horro, Schönherr & Rolán, 2018
- Genus Adinopsis Odhner, 1923 accepted as Adinassa Horro, Schönherr & Rolán, 2018
- Genus Adinus H. Adams & A. Adams, 1853 accepted as Bullia Gray, 1833
- Genus Alectrion Montfort, 1810 accepted as Nassarius Duméril, 1805
- Genus Alectryon Melvill, 1918 accepted as Nassarius Duméril, 1805
- Genus Allanassa Iredale, 1929 accepted as Nassarius Duméril, 1805
- Genus Ambullina Palmer, 1937 †
- Genus Amycla H. Adams & A. Adams, 1853 † accepted as Tritia Risso, 1826
- Genus Amyclina Iredale, 1918 accepted as Tritia Risso, 1826
- Genus Anentome Cossmann, 1901 †
- Genus Antillophos Woodring, 1928
- Genus Arcularia Link, 1807 accepted as Nassarius Duméril, 1805
- Genus Arculia Jousseaume, 1888 accepted as Arcularia Link, 1807
- Genus Austronassaria C. Laseron & J. Laseron, 1956 accepted as Nassarius Duméril, 1805
- Genus Ballia Hall, 1867 accepted as Bullia Griffith, 1834
- Genus Bathynassa Ladd, 1976 † accepted as Nassarius Duméril, 1805
- Genus Benthindsia Iredale, 1936 accepted as Nassaria Link, 1807
- Genus Buccianops Gray, 1847 accepted as Buccinanops d'Orbigny, 1841
- Genus Buccinanops d'Orbigny, 1841
- Genus Buccinastrum Pastorino & Simone, 2021
- Genus Buccitrition Conrad, 1865 †
- Genus Bulbia Mörch, 1860 accepted as Bullia Griffith, 1834
- Genus Bullia Griffith, 1834
- Genus Bullia Gray, 1833
- Genus Bulliana Gray in M.E. Gray, 1842 accepted as Bullia Gray, 1833
- Genus Bulliopsis Conrad, 1862 †
- Genus Caesia H. Adams & A. Adams, 1853
- Genus Canidia H. Adams, 1862 accepted as Anentome Cossmann, 1901 †
- Genus Catillon Addicott, 1965 accepted as Nassarius Duméril, 1805
- Genus Cencus Gistel, 1848 accepted as Cyclope Risso, 1826
- Genus Cereobullia Melvill & Peile, 1924 accepted as Bullia Gray, 1833
- Genus Chelenassa Shuto, 1969 † accepted as Nassarius Duméril, 1805
- Genus Clea H. Adams & A. Adams, 1855
- Genus Colwellia Nuttall & J. Cooper, 1973 † accepted as Keepingia Nuttall & J. Cooper, 1973 †
- Genus Coraeophos Makiyama, 1936 †
- Genus Cryptonassarius Cernohorsky, 1975 accepted as Nassarius Duméril, 1805
- Genus Cyclocyrtia Agassiz, 1846 accepted as Cyclope Risso, 1826
- Genus Cyclonassa Swainson, 1840 accepted as Cyclope Risso, 1826
- Genus Cyclope Risso, 1826 accepted as Tritia Risso, 1826
- Genus Cyclops Montfort, 1810 accepted as Cyclope Risso, 1826
- Genus Cyllene Gray, 1834
- Genus Cyllenina Bellardi, 1882 †
- Genus Cymatophos Pilsbry & Olsson, 1941 †
- Genus Demondia Addicott, 1965 † accepted as Caesia H. Adams & A. Adams, 1853
- Genus Demoulea Gray, 1847 accepted as Demoulia Gray, 1838
- Genus Demoulia Gray, 1838
- Genus Demoulinsia accepted as Demoulia Gray, 1838
- Genus Desmoulea Gray, 1847 accepted as Demoulia Gray, 1838
- Genus Desmoulinsia Dollfus, 1902 accepted as Demoulia Gray, 1838
- Genus Desmoulinsia Woodward, 1851 accepted as Demoulia Gray, 1838
- Genus Desorinassa Nuttall & J. Cooper, 1973 † accepted as Keepingia Nuttall & J. Cooper, 1973 †
- Genus Dorsanum Gray, 1847
- Genus Duplicata Korobkov, 1955 † accepted as Dorsanum Gray, 1847
- Genus Duplicatula Kolesnikov, 1939 † accepted as Dorsanum Gray, 1847
- Genus Eione Risso, 1826 accepted as Nassarius Duméril, 1805
- Genus Engoniophos Woodring, 1928
- Genus Eotritiaria Garvie, 2021 † accepted as Tritiaria Conrad, 1865 †
- Genus Europhos Landau, Harzhauser, İslamoğlu & da Silva, 2013 †
- Genus Fackia Nordsieck, 1972 † accepted as Nassarius Duméril, 1805
- Genus Fluviodorsum Böttger, 1885 accepted as Dorsanum Gray, 1847
- Genus Glabrinassa Shuto, 1969 † accepted as Nassarius Duméril, 1805
- Genus Globinassa Petuch, 1994 †
- Genus Gussonea Monterosato, 1912 accepted as Nassarius Duméril, 1805
- Genus Hannonia Pallary, 1920 accepted as Aciculina A. Adams, 1853
- Genus Hebra H. Adams & A. Adams, 1853 accepted as Nassarius Duméril, 1805
- Genus Hima Gray, 1852 † accepted as Tritia Risso, 1826
- Genus Hindsia A. Adams, 1855 accepted as Nassaria Link, 1807
- Genus Hinia Leach, 1847 accepted as Tritia Risso, 1826
- Genus Ilyanassa Stimpson, 1865 accepted as Tritia Risso, 1826
- Genus Kebra Ayres, 1916 accepted as Hebra H. Adams & A. Adams, 1853
- Genus Keepingia Nuttall & J. Cooper, 1973 †
- Genus Leiodoma Paetel, 1875
- Genus Leiodomus Swainson, 1840 accepted as Bullia Gray, 1833
- Genus Liodomus Agassiz, 1846
- Genus Liostomus Mörch, 1852
- Genus Lisbonia Palmer, 1937 †
- Genus Massa Hall, 1867
- Genus Metaphos Olsson, 1964 †
- Genus Microfusus Dall, 1916 accepted as Nassaria Link, 1807
- Genus Microphos Dekkers & Dekker, 2020
- Genus Miohinia Nordsieck, 1972 accepted as Nassarius Duméril, 1805
- Genus Mirua Marwick, 1931 † accepted as Tritia Risso, 1826
- Genus Monoceros Fleming, 1828
- Genus Moulinsia Tournouer, 1874 accepted as Demoulia Gray, 1838
- Genus Nana Schumacher, 1817 accepted as Cyclope Risso, 1826
- Genus Nanarius Woodring, 1964 † accepted as Nassarius Duméril, 1805
- Genus Nanina Risso, 1826 accepted as Cyclope Risso, 1826
- Genus Nannia Philippi, 1844 accepted as Cyclope Risso, 1826
- Genus Nasa Fleming, 1828 accepted as Nassarius Duméril, 1805
- Genus Nassa Lamarck, 1799 accepted as Nassarius Duméril, 1805
- Genus Nassaria Link, 1807
- Genus Nassaria Rafinesque, 1815
- Genus Nassarium
- Genus Nassarius Duméril, 1805
- Species Nassarius abyssicolus (A. Adams, 1852)
- Species Nassarius acteon MacNeil, 1960 †
- Species Nassarius acuminatus (Marrat, 1880)
- Species Nassarius acuticostus (Montrouzier in Souverbie & Montrouzier, 1864)
- Species Nassarius acutus (Say, 1822)
- Species Nassarius adami Arthur & Fernandes, 1989
- Species Nassarius agapetus (Watson, 1882)
- Species Nassarius alabasteroides Kool, 2009
- Species Nassarius albescens (Dunker, 1846)
- Species Nassarius albescens Hirase, 1936 accepted as Nassarius albescens (Dunker, 1846)
- Species Nassarius albina Thiele, 1930 accepted as Nassarius albinus (Thiele, 1930)
- Species Nassarius albinus (Thiele, 1930)
- Species Nassarius albomaculatus Rehder, 1980
- Species Nassarius albus (Say, 1826)
- Species Nassarius alfuricus (Fischer in Wanner, 1927)
- Species Nassarius algidus (Reeve, 1853)
- Species Nassarius ambiguus (Pulteney, 1799) accepted as Nassarius albus (Say, 1826)
- Species Nassarius amycliformis (Shuto, 1969) †
- Species Nassarius analogicus (Sowerby, 1903) accepted as Nassarius vinctus (Marrat, 1877)
- Species Nassarius angulicostis (Pilsbry & Lowe, 1932)
- Species Nassarius anguliferus (A. Adams, 1852)
- Species Nassarius antillarum (d'Orbigny, 1847)
- Species Nassarius antiquatus (Watson, 1897)
- Species Nassarius aoteanus Finlay, 1927
- Species Nassarius aracanensis (E.A. Smith, 1899) accepted as Nassarius sinusigerus (A. Adams, 1852)
- Species Nassarius arcadioi Rolán & Hernández, 2005
- Species Nassarius arcularia (Linnaeus, 1785) accepted as Nassarius arcularius (Linnaeus, 1969)
- Species Nassarius arcularius (Linnaeus, 1969)
- Species Nassarius arcus Cernohorsky, 1991
- Species Nassarius argenteus (Marrat, 1877)
- Species Nassarius atlantideus Adam & Knudsen, 1984
- Species Nassarius australis (A. Adams, 1853) accepted as Nassarius clarus (Marrat, 1877)
- Species Nassarius babylonicus (Watson, 1882)
- Species Nassarius bailyi (Pilsbry & Lowe, 1932)
- Species Nassarius balteata (Pease, 1869)
- Species Nassarius balteatus (Pease, 1869)
- Species Nassarius balteatus (Lischke, 1868) accepted as Nassarius sufflatus (Gould, 1860)
- Species Nassarius bantamensis Oostingh, 1933 †
- Species Nassarius barsdelli Ladd, 1976
- Species Nassarius beberkirianus (K. Martin & Icke, 1906) †
- Species Nassarius beccarii Bisacchi, 1930
- Species Nassarius bellulus (A. Adams, 1852)
- Species Nassarius bellus (Marrat, 1877)
- Species Nassarius beureumensis Oostingh, 1933 †
- Species Nassarius bicallosus (E.A. Smith, 1876)
- Species Nassarius bicolor Auct
- Species Nassarius bicolor H. Marsh & J. Rippingale, 1961 accepted as Nassarius albescens (Dunker, 1846)
- Species Nassarius biendongensis Kool, 2003
- Species Nassarius bifarius (Baird, 1873)
- Species Nassarius bimaculosus (A. Adams, 1852)
- Species Nassarius bodjongensis Oostingh, 1939 † accepted as Nassarius nobilis (Thiele, 1925)
- Species Nassarius bolangoi (Ladd, 1976) †
- Species Nassarius boucheti Kool, 2004
- Species Nassarius bristriata Carpenter, 1857 accepted as Nassarius versicolor (C.B. Adams, 1852)
- Species Nassarius bronni Philippi, 1849
- Species Nassarius brunneostomus (Stearns, 1893)
- Species Nassarius brychia (Watson, 1822)
- Species Nassarius burchardi (Dunker in Philippi, 1849)
- Species Nassarius caboverdensis (Rolán, 1984)
- Species Nassarius cabrierensis (Fontannes, 1878) †
- Species Nassarius cadeei Kool, 2006
- Species Nassarius caelata Adams, 1852
- Species Nassarius caelatus (A. Adams, 1852) accepted as Nassarius castus (Gould, 1851)
- Species Nassarius caelolineatus Nesbitt & Pitt, 1986
- Species Nassarius callosa Adams, 1852
- Species Nassarius callospira (A. Adams, 1852)
- Species Nassarius callosus A. Adams, 1877 accepted as Nassarius fraudulentus (Marrat, 1877)
- Species Nassarius camelus (Martens, 1897)
- Species Nassarius candei (d'Orbigny, 1847) accepted as Nassarius albus (Say, 1826)
- Species Nassarius candens (Hinds, 1844)
- Species Nassarius candidissimum C.B. Adams, 1845 accepted as Nassarius albus (Say, 1826)
- Species Nassarius candidissimus (C.B. Adams, 1845)
- Species Nassarius canescens C.B. Adams, 1852 accepted as Nassarius pagodus (Reeve, 1844)
- Species Nassarius capensis (Dunker, 1846)
- Species Nassarius capillaris (Watson, 1882)
- Species Nassarius casta Gould, 1850
- Species Nassarius castus (Gould, 1851)
- Species Nassarius catallus (Dall, 1908)
- Species Nassarius cautleyi (d'Archiac & Haime, 1854) †
- Species Nassarius celebensis (Schepman, 1907)
- Species Nassarius cernohorskyi Kool, 2005
- Species Nassarius cerritensis (Arnold, 1903)
- Species Nassarius cinctellus (A. Adams, 1852)
- Species Nassarius cinnamomea Adams, 1852
- Species Nassarius circumcinctus (A. Adams, 1852)
- Species Nassarius circumtextus (Martens, 1903) accepted as Nassarius vinctus (Marrat, 1877)
- Species Nassarius clarus (Marrat, 1877)
- Species Nassarius clathratus (Born, 1778)
- Species Nassarius cockburnensis Kool & Dekker, 2006
- Species Nassarius collaticia Melvill & Standen, 1901 accepted as Nassarius sinusigerus (A. Adams, 1852)
- Species Nassarius compacta Angas, 1865
- Species Nassarius compactus (Angas, 1865)
- Species Nassarius compertus Fernández-Garcés, Espinosa & Rolán, 1990
- Species Nassarius complanatus (Powys, 1835)
- Species Nassarius compta
- Species Nassarius comptus (Marrat, 1880)
- Species Nassarius comptus (A. Adams, 1852)
- Species Nassarius comtessei (Iredale, 1929) accepted as Nassarius conoidalis (Deshayes in Belanger, 1832)
- Species Nassarius concentrica Marrat, 1874
- Species Nassarius concinna Powys, 1835
- Species Nassarius concinnus (Powys, 1835)
- Species Nassarius concinus (Powys, 1835) accepted as Nassarius concinnus (Powys, 1835)
- Species Nassarius congobatus Defrance
- Species Nassarius congrua (Yokoyama, 1926) †
- Species Nassarius conoidalis (Deshayes in Belanger, 1832)
- Species Nassarius consensus (Ravenel, 1861)
- Species Nassarius conspersus (Philippi, 1849)
- Species Nassarius coppingeri (E.A. Smith, 1881)
- Species Nassarius coralligenus (Pallary, 1900)
- Species Nassarius coriolis Kool, 2009
- Species Nassarius corniculum (Olivi, 1792)
- Species Nassarius coronatus (Bruguière, 1789)
- Species Nassarius coronulus (A. Adams, 1852)
- Species Nassarius corpulentus (C.B. Adams, 1852) accepted as Nassarius nassiformis (Lesson, 1842)
- Species Nassarius costata Adams, 1852
- Species Nassarius costellifera (A. Adams, 1853) accepted as Nassarius margaritifer (Dunker, 1847)
- Species Nassarius crassigranosus (Tate, 1888)
- Species Nassarius crassus (Philippi, 1849) accepted as Nassarius semisulcatus (Rousseau, 1854)
- Species Nassarius crebricostatus (Schepman, 1911)
- Species Nassarius crebrilineata Rousseau, 1854
- Species Nassarius crebriscostatus (Schepman, 1911)
- Species Nassarius crematus (Hinds, 1844)
- Species Nassarius cremmatus
- Species Nassarius crenelliferus (A. Adams, 1853) accepted as Nassarius margaritifer (Dunker, 1847)
- Species Nassarius crenoliratus (A. Adams, 1852)
- Species Nassarius crenulatus (Bruguière, 1792)
- Species Nassarius crenulicostatus (Shuto, 1969)
- Species Nassarius cribraria Marrat, 1877
- Species Nassarius crossei (Maltzan, 1884)
- Species Nassarius cussottii Bozzetti, 2006 accepted as Nassarius irus (Martens, 1880)
- Species Nassarius cuvierii (Payraudeau, 1826)
- Species Nassarius dainitiensis Makiyama, 1927
- Species Nassarius dekkeri Kool, 2001
- Species Nassarius delicatus (A. Adams, 1852)
- Species Nassarius delosi (Woodring, 1946)
- Species Nassarius demissus (Yokoyama, 1923) †
- Species Nassarius denselineatus (Nagao, 1928) †
- Species Nassarius densigranata Reeve, 1854
- Species Nassarius denticulatus (A. Adams, 1852)
- Species Nassarius dentifer (Powys, 1835)
- Species Nassarius dermestina Gould, 1860
- Species Nassarius deshayesianus (Issel, 1866)
- Species Nassarius desmoulioides (G.B. Sowerby III, 1903)
- Species Nassarius dijki (K. Martin, 1895)
- Species Nassarius dilutus (E.A. Smith, 1899)
- Species Nassarius dimorphoides Oostingh, 1935 †
- Species Nassarius dipsacoides (Hedley, 1907) accepted as Nassarius ephamillus (Watson, 1882)
- Species Nassarius disparilis (E.A. Smith, 1903)
- Species Nassarius dissimilis (Watson, 1886) accepted as Nassarius ephamillus (Watson, 1882)
- Species Nassarius distortus (A. Adams, 1852)
- Species Nassarius dominulus (Tapparone-Canefri, 1874) accepted as Nassarius multigranosus (Dunker, 1847)
- Species Nassarius dorsatus (Röding, 1798)
- Species Nassarius dunkeri Suter, 1908
- Species Nassarius echinatus (A. Adams, 1852)
- Species Nassarius ecstilbus (Melvill & Standen, 1896)
- Species Nassarius elatus (Gould, 1845)
- Species Nassarius elegantissimus Shuto, 1969
- Species Nassarius ellana (Iredale, 1961) accepted as Nassarius burchardi (Dunker in Philippi, 1849)
- Species Nassarius elongata Marrat, 1874
- Species Nassarius elongatus Sowerby
- Species Nassarius emilyae Moolenbeek & Dekker, 1994
- Species Nassarius eniwetokensis Ladd, 1977 †
- Species Nassarius enzoi Bozzetti, 2007
- Species Nassarius ephamillus (Watson, 1882)
- Species Nassarius erythraeus (Issel, 1869)
- Species Nassarius eusulcatus (G.B. Sowerby III, 1902)
- Species Nassarius exilis (Powys, 1835)
- Species Nassarius eximius (H. Adams, 1872)
- Species Nassarius exsarcus (Dall, 1908)
- Species Nassarius exstincteliratus (Fischer in Wanner, 1927) †
- Species Nassarius exulatus (E.A. Smith, 1911)
- Species Nassarius falconeri (d'Archiac & Haime, 1854) †
- Species Nassarius fargoi Olsson & Harbison, 1953 accepted as Nassarius consensus (Ravenel, 1861)
- Species Nassarius fasciatus (Lamarck)
- Species Nassarius fenestratus (Marratt, 1877) accepted as Nassarius albescens (Dunker, 1846)
- Species Nassarius fenistrata (Marrat, 1877)
- Species Nassarius fennemai Oostingh, 1939 †
- Species Nassarius fenwicki Kilburn, 1972 accepted as Nassarius glans (Linnaeus, 1758)
- Species Nassarius festivus (Powys, 1835)
- Species Nassarius fidus (Reeve, 1853)
- Species Nassarius filmerae (Sowerby III, 1900)
- Species Nassarius filosus (Reeve, 1853)
- Species Nassarius fischeri (Dautzenberg, 1912)
- Species Nassarius fissilabris (A. Adams, 1852)
- Species Nassarius floridensis Olsson & Habison, 1953 accepted as Nassarius albus (Say, 1826)
- Species Nassarius formosum (Turton, 1932) accepted as Nassarius formosus (Turton, 1932)
- Species Nassarius formosus (Turton, 1932)
- Species Nassarius fossae (Preston, 1915)
- Species Nassarius fossatus (Gould, 1850)
- Species Nassarius foveolatus (Dunker, 1847)
- Species Nassarius fraterculus (Dunker, 1860)
- Species Nassarius fraudator Cernohorsky, 1980
- Species Nassarius fraudulentus (Marrat, 1877)
- Species Nassarius frederici (Melvill & Standen, 1901)
- Species Nassarius fretorum (Melvill & Standen, 1899)
- Species Nassarius frigens (Martens, 1878)
- Species Nassarius fufanus (Fischer in Wanner, 1927) †
- Species Nassarius fulleri MacNeil, 1960 † accepted as Nassarius livescens (Philippi, 1849)
- Species Nassarius fuscescens (Dautzenberg, 1912)
- Species Nassarius fuscolineatus (E.A. Smith, 1875)
- Species Nassarius gallegosi Strong & Hertlein, 1937
- Species Nassarius garuda Kool, 2007
- Species Nassarius gaudiosa Hinds, 1844
- Species Nassarius gaudiosus (Hinds, 1844)
- Species Nassarius gayii (Kiener, 1834)
- Species Nassarius gemmulatus (Lamarck, 1822)
- Species Nassarius gemmuliferus (A. Adams, 1852)
- Species Nassarius gemmulosa (C.B. Adams, 1852)
- Species Nassarius gibbosuloideus (Habe & Kosuge, 1966) accepted as Nassarius globosus (Quoy & Gaimard, 1833)
- Species Nassarius gibbosulus (Linnaeus, 1758)
- Species Nassarius glabratus (Sowerby, 1842)
- Species Nassarius glagahensis Oostingh, 1935 †
- Species Nassarius glans (Linnaeus, 1758)
- Species Nassarius glauca C.B. Adams, 1852 accepted as Nassarius versicolor (C.B. Adams, 1852)
- Species Nassarius globosa (Quoy & Gaimard, 1833) accepted as Nassarius globosus (Quoy & Gaimard, 1833)
- Species Nassarius globosus (Quoy & Gaimard, 1833)
- Species Nassarius goniopleura (Dall, 1908)
- Species Nassarius gordanus Hertlein & Strong, 1951 accepted as Nassarius insculptus (Carpenter, 1864)
- Species Nassarius goreensis (Von Maltzan, 1884)
- Species Nassarius granifer (Kiener, 1834) accepted as Nassarius graniferus (Kiener, 1834)
- Species Nassarius graniferus (Kiener, 1834)
- Species Nassarius granuliferus (Kiener, 1834)
- Species Nassarius granulosa Marrat, 1880
- Species Nassarius granum (Lamarck, 1822)
- Species Nassarius graphitera Beck, 1877
- Species Nassarius gregaria Grabau & King, 1928
- Species Nassarius gregarius (Grabau & King, 1928)
- Species Nassarius gruneri (Dunker, 1846)
- Species Nassarius guaymasensis (Pilsbry & Lowe, 1932)
- Species Nassarius haldemani (Dunker, 1847)
- Species Nassarius hanraveni Kool & Dekker, 2006
- Species Nassarius hansenae Kool, 1996
- Species Nassarius harryleei García, 2001
- Species Nassarius hawleyi (Iredale, 1935)
- Species Nassarius helleri (Mari, 1929)
- Species Nassarius hemipolitus Nomura & Zimbo, 1935 †
- Species Nassarius herosae Kool, 2005
- Species Nassarius heynemanni (Maltzan, 1884)
- Species Nassarius himeroessa (Melvill & Standen, 1903)
- Species Nassarius hirasei Kuroda & Habe, 1952 accepted as Nassarius siquijorensis (A. Adams, 1852)
- Species Nassarius hirtus (Kiener, 1834)
- Species Nassarius hongoensis Itoigawa, 1955 †
- Species Nassarius horridus (Dunker, 1847) accepted as Hebra horrida (Dunker, 1847)
- Species Nassarius hotessieri (d'Orbigny, 1847)
- Species Nassarius hotessierianus (d'Orbigny, 1842)
- Species Nassarius howardae Chace, 1958
- Species Nassarius humeratus Yang & Zhang, 2011
- Species Nassarius idyllius (Melvill & Standen, 1901)
- Species Nassarius incognita Thiele, 1925
- Species Nassarius incongruus Otuka, 1937 †
- Species Nassarius incrassata (Ström) accepted as Nassarius incrassatus (Strøm, 1768)
- Species Nassarius incrassatus (Strøm, 1768)
- Species Nassarius infralaevis (Fischer in Wanner, 1927) †
- Species Nassarius insculptus (Carpenter, 1864)
- Species Nassarius insignis (H. Adams, 1867)
- Species Nassarius insulindicus (Oostingh, 1939) † accepted as Nassarius nobilis (Thiele, 1925)
- Species Nassarius insulindicus Oostingh, 1939 † accepted as Nassarius nobilis (Thiele, 1925)
- Species Nassarius interlirata Smith, 1876
- Species Nassarius interliratus (E.A. Smith, 1876)
- Species Nassarius intermedia Dunker, 1866
- Species Nassarius iodes (Dall, 1917)
- Species Nassarius irus (Martens, 1880)
- Species Nassarius ischnus (Melvill, 1899)
- Species Nassarius isseli Bisacchi, 1930 accepted as Nassarius haldemani (Dunker, 1847)
- Species Nassarius jacksonianus (Quoy & Gaimard, 1833)
- Species Nassarius jactabundus (Melvill, 1906)
- Species Nassarius japonicus (A. Adams, 1852) accepted as Nassarius praematuratus (Kuroda & Habe in Habe, 1960)
- Species Nassarius javanus (Schepman, 1891)
- Species Nassarius jeanmartini Kool & Dekker, 2006
- Species Nassarius johni (Monterosato, 1889)
- Species Nassarius jonasi Dunker, 1957 accepted as Nassarius jonasii (Dunker, 1846)
- Species Nassarius jonasii (Dunker, 1846)
- Species Nassarius kaicherae De Jong & Coomans, 1988
- Species Nassarius kampeni Koperberg, 1931
- Species Nassarius karinae Nowell-Usticke, 1971
- Species Nassarius kieneri (Deshayes, 1863)
- Species Nassarius kieneri Anton, 1957 accepted as Nassarius luridus (Gould, 1850)
- Species Nassarius kiiensis Kira, 1959
- Species Nassarius kiiensis Kira, 1954 accepted as Nassarius castus (Gould, 1851)
- Species Nassarius kochianus (Dunker, 1846)
- Species Nassarius kometubus Otuka, 1934
- Species Nassarius kooli Dekker & Dekkers, 2009
- Species Nassarius kraussianum Dunker, 1846
- Species Nassarius kraussianus (Dunker, 1846)
- Species Nassarius kruizingai Oostingh, 1939 †
- Species Nassarius kueneni Koperberg, 1931 accepted as Nassarius crematus (Hinds, 1844)
- Species Nassarius kurodai Makiyama, 1927 accepted as Nassarius crematus (Hinds, 1844)
- Species Nassarius labeculus Adams
- Species Nassarius labiatus (A. Adams, 1853)
- Species Nassarius lactea Marrat, 1880
- Species Nassarius latecostatus (Suter, 1917) †
- Species Nassarius lavanonoensis Bozzetti, 2006
- Species Nassarius lawsonorum Kilburn, 2000
- Species Nassarius lecadrei de Folin, 1867 accepted as Nassarius versicolor (C.B. Adams, 1852)
- Species Nassarius lentiginosus (A. Adams, 1852) accepted as Nassarius reeveanus (Dunker, 1847)
- Species Nassarius leptospirus (A. Adams, 1852)
- Species Nassarius levukensis Watson, 1882
- Species Nassarius liberiensis (Knudsen, 1956)
- Species Nassarius lilacina Gould, 1852
- Species Nassarius lima (Dillwyn, 1817)
- Species Nassarius limacinus (Dall, 1917)
- Species Nassarius limnaeformis (Dunker, 1847)
- Species Nassarius lineata Perry, 1811
- Species Nassarius lineatum Röding, 1798
- Species Nassarius liratus (Marrat, 1874) accepted as Hebra corticata (A. Adams, 1852)
- Species Nassarius livescens (Philippi, 1849)
- Species Nassarius lochi Kool, 1996
- Species Nassarius louisi (Pallary, 1912)
- Species Nassarius luridus (Gould, 1850)
- Species Nassarius luteola Smith, 1879
- Species Nassarius luteolus (E.A. Smith, 1879)
- Species Nassarius luteostoma Broderip & Sowerby, 1829
- Species Nassarius luteostomus (Broderip & G.B. Sowerby I, 1829)
- Species Nassarius maccauslandi Cernohorsky, 1984
- Species Nassarius macrocephalus (Schepman, 1911)
- Species Nassarius macrodon (Bronn, 1831)
- Species Nassarius madiunensis (K. Martin, 1895) †
- Species Nassarius major Stearns, 1894 accepted as Nassarius tiarula (Kiener, 1841)
- Species Nassarius maldivensis Smith, 1903
- Species Nassarius mamillata Preston, 1907
- Species Nassarius mammilliferus (Melvill, 1897)
- Species Nassarius mandirensis Oostingh, 1939 †
- Species Nassarius mangkalihatensis Beets, 1941 †
- Species Nassarius margaritifer (Dunker, 1847)
- Species Nassarius margaritifera (Dunker, 1847)
- Species Nassarius margaritiferus (Dunker, 1847) accepted as Nassarius margaritifer (Dunker, 1847)
- Species Nassarius marmoreus (A. Adams, 1852)
- Species Nassarius marshallensis Ladd, 1977 accepted as Nassarius celebensis (Schepman, 1907)
- Species Nassarius megalocallus Adam & Knudsen, 1984
- Species Nassarius mekranicus (Vredenburg, 1925)
- Species Nassarius melanioides (Reeve, 1853)
- Species Nassarius mendicus (Gould, 1850)
- Species Nassarius micans (A. Adams, 1852)
- Species Nassarius microstoma (Pease, 1860)
- Species Nassarius miga (Bruguière, 1789)
- Species Nassarius minoensis Itoigawa, 1960 †
- Species Nassarius minor Dautzenberg, 1923
- Species Nassarius minutulus (Thiele, 1930) accepted as Nassarius celebensis (Schepman, 1907)
- Species Nassarius mirabilis Bozzetti, 2007
- Species Nassarius miser (Dall, 1908)
- Species Nassarius miyazakiensis Shuto, 1962 †
- Species Nassarius mobilis (Hedley & May, 1908)
- Species Nassarius modestus (Milaschewitsch, 1909)
- Species Nassarius moestus (Hinds, 1844)
- Species Nassarius monilis (Kiener, 1834) accepted as Nassarius distortus (A. Adams, 1852)
- Species Nassarius moolenbeeki Kool, 1995
- Species Nassarius mucronata Adams, 1852
- Species Nassarius mucronatus (A. Adams, 1852) accepted as Nassarius gaudiosus (Hinds, 1844)
- Species Nassarius muelleri (Maltzan, 1884)
- Species Nassarius multicostatus (A. Adams, 1852)
- Species Nassarius multigranosus (Dunker, 1847)
- Species Nassarius multipunctatus (Schepman, 1911)
- Species Nassarius multivocus Kool, 2008
- Species Nassarius mulukuensis Smith, 1903
- Species Nassarius mutabilis (Linnaeus, 1758)
- Species Nassarius myristicatus (Hinds, 1844)
- Species Nassarius nakayamai (Habe, 1958)
- Species Nassarius nanus Nowell-Usticke, 1959
- Species Nassarius nassiformis (Lesson, 1842)
- Species Nassarius natalensis (E.A. Smith, 1903)
- Species Nassarius neoproductus Kool & Dekker, 2007
- Species Nassarius ngawianus (K. Martin, 1895) †
- Species Nassarius nigellus (Reeve, 1854)
- Species Nassarius nigerensis
- Species Nassarius nigrolabra (Verrill, 1880)
- Species Nassarius nigrolabrus (Verrill, 1880)
- Species Nassarius nipponensis Kuroda & Habe, 1971
- Species Nassarius nitidus (Jeffreys, 1867)
- Species Nassarius niveus (A. Adams, 1852)
- Species Nassarius nivosa Marrat, 1877
- Species Nassarius nobilis (Thiele, 1925)
- Species Nassarius nodicinctus (A. Adams, 1852)
- Species Nassarius nodifer (Powys, 1835)
- Species Nassarius nodiferus (Powys, 1835) accepted as Nassarius nodifer (Powys, 1835)
- Species Nassarius nodulifera Carpenter, 1857 accepted as Nassarius luteostoma Broderip & Sowerby, 1829
- Species Nassarius nodulosus (Marrat, 1873)
- Species Nassarius noguchii (Habe, 1958)
- Species Nassarius notoensis Masuda, 1956 †
- Species Nassarius novaezelandia (Reeve, 1854) accepted as Nassarius novaezelandiae (Reeve, 1854)
- Species Nassarius novaezelandiae (Reeve, 1854)
- Species Nassarius nuceus (Pease, 1869)
- Species Nassarius nucleolus (Philippi, 1846)
- Species Nassarius nuttalli (Ludbrook, 1978)
- Species Nassarius obesus (G. Nevill & H. Nevill, 1875)
- Species Nassarius obliquus (Kiener, 1835)
- Species Nassarius obsoletus (Say, 1822)
- Species Nassarius olivaceus (Bruguière, 1789)
- Species Nassarius olomea Kay, 1979
- Species Nassarius omuensis (Noda, 1980) †
- Species Nassarius onchodes (Dall, 1917)
- Species Nassarius oneratus (Deshayes, 1863)
- Species Nassarius optimus (G.B. Sowerby III, 1903)
- Species Nassarius orbiculata Adams, 1852
- Species Nassarius oriens Marrat, 1880
- Species Nassarius orissaensis (Preston, 1914)
- Species Nassarius ovoideus (Locard, 1886)
- Species Nassarius ovum K. Martin, 1880 †
- Species Nassarius pachychilus (Maltzan, 1884)
- Species Nassarius pagodus (Reeve, 1844)
- Species Nassarius papillosus (Gould, 1850)
- Species Nassarius papillosus (Linnaeus, 1758)
- Species Nassarius particeps (Hedley, 1915)
- Species Nassarius pasirensis Oostingh, 1939 † accepted as Nassarius ovum K. Martin, 1880 †
- Species Nassarius patricius (Thiele, 1925)
- Species Nassarius paucicostatus (Marrat, 1877)
- Species Nassarius pauper (Gould, 1850)
- Species Nassarius paupera Gould, 1850
- Species Nassarius pauperatus (Lamarck, 1822)
- Species Nassarius pauperus (Gould, 1850) accepted as Nassarius balteata (Pease, 1869)
- Species Nassarius perdominulus Nomura & Zimbo, 1935 †
- Species Nassarius pernitidus (Dall, 1889)
- Species Nassarius perpinguis (Hinds, 1844)
- Species Nassarius persicus Cox, 1936
- Species Nassarius persicus (Martens, 1874)
- Species Nassarius pfeifferi (Philippi, 1844)
- Species Nassarius pilata Hedley, 1915
- Species Nassarius pilatus (Hedley, 1915) accepted as Nassarius pauperus (Gould, 1850)
- Species Nassarius plebecula Gould, 1860
- Species Nassarius plebeculus (Gould, 1860) accepted as Nassarius pauperus (Gould, 1850)
- Species Nassarius plebejus (Thiele, 1925)
- Species Nassarius plicatellus (A. Adams, 1852) accepted as Nassarius niveus (A. Adams, 1852)
- Species Nassarius plicosus (Dunker, 1846) accepted as Nassarius speciosus (A. Adams, 1852)
- Species Nassarius polistes Dall, 1917 accepted as Nassarius catallus (Dall, 1908)
- Species Nassarius polygonatus (Lamarck, 1822)
- Species Nassarius praecallosa Marrat, 1877
- Species Nassarius praematuratus (Kuroda & Habe in Habe, 1960)
- Species Nassarius prefestivus MacNeil, 1960 † accepted as Nassarius festivus (Powys, 1835)
- Species Nassarius prianganensis Van Regteren Altena & Beets, 1945 †
- Species Nassarius priscardi Bozzetti, 2006
- Species Nassarius producta Sowerby, 1897
- Species Nassarius propingus S.V. Wood
- Species Nassarius protrusidens (Melvill, 1918)
- Species Nassarius proxima C.B. Adams, 1852 accepted as Nassarius versicolor (C.B. Adams, 1852)
- Species Nassarius prysmaticus (Brocchi, 1814)
- Species Nassarius pseudoconcinnus (E.A. Smith, 1895)
- Species Nassarius pseudodemissus Nomura & Zimbo, 1935 †
- Species Nassarius pseudomundus Oostingh, 1935 †
- Species Nassarius pseudopoecilostictus Adam & Knudsen, 1984
- Species Nassarius psila (Watson, 1882)
- Species Nassarius pullus (Linnaeus, 1758)
- Species Nassarius pullus Habe & Kosuge, 1966 accepted as Nassarius arcularia (Linnaeus, 1785)
- Species Nassarius pulvinaris (Martens, 1881)
- Species Nassarius pumilio (E.A. Smith, 1872)
- Species Nassarius pupinoides (Reeve, 1853)
- Species Nassarius pygmaea (Lamarck) accepted as Nassarius pygmaeus (Lamarck, 1822)
- Species Nassarius pygmaeus (Lamarck, 1822)
- Species Nassarius pyramidalis (A. Adams, 1853)
- Species Nassarius pyrrhus (Menke, 1843)
- Species Nassarius quadrasi (Hidalgo, 1904)
- Species Nassarius quantulus (Gould, 1860)
- Species Nassarius recidivus (Martens, 1876)
- Species Nassarius reeveanus (Dunker, 1847)
- Species Nassarius rehderi Cernohorsky, 1980
- Species Nassarius reticulata (Linnaeus, 1758) accepted as Nassarius reticulatus (Linnaeus, 1758)
- Species Nassarius reticulatus (Linnaeus, 1758)
- Species Nassarius reussi (K. Martin, 1880) †
- Species Nassarius rhinetes S.S. Berry, 1953
- Species Nassarius robustus (Monterosato, 1890)
- Species Nassarius roissyi (Deshayes in Belanger, 1832)
- Species Nassarius rotundicostata Marrat, 1877
- Species Nassarius rotundus (Melvill & Standen, 1896)
- Species Nassarius rubusindicus Oostingh, 1939 †
- Species Nassarius rufocincta A. Adams, 1852 accepted as Nassarius versicolor (C.B. Adams, 1852)
- Species Nassarius rugosus Sowerby
- Species Nassarius samiae Kool, 2006
- Species Nassarius sanctahelenae (A. Adams, 1852)
- Species Nassarius scabriusculus (Powys, 1835)
- Species Nassarius scalaris (A. Adams, 1852)
- Species Nassarius scissuratus (Dall, 1889)
- Species Nassarius secluzus (Fischer, 1891) accepted as Nassarius livescens (Philippi, 1849)
- Species Nassarius semiplicatoides Zhang & You, 2007 accepted as Nassarius foveolatus (Dunker, 1847)
- Species Nassarius semiplicatum Dunker, 1853
- Species Nassarius semiplicatus (A. Adams, 1853) accepted as Nassarius fraterculus (Dunker, 1860)
- Species Nassarius semistriatus (Brocchi, 1814) †
- Species Nassarius semisulcata Dunker, 1867
- Species Nassarius semisulcatus (Rousseau, 1854)
- Species Nassarius sesarmus (Marrat, 1877)
- Species Nassarius shacklefordi (Melvill & Standen, 1896)
- Species Nassarius shaskyi McLean, 1970
- Species Nassarius signatus (Dunker, 1847)
- Species Nassarius silvardi Kool & Dekker, 2006
- Species Nassarius simizui Otuka, 1934 †
- Species Nassarius simoni Kool & Dekker, 2007
- Species Nassarius simplex (E.A. Smith, 1880)
- Species Nassarius sinarum (Philippi, 1851)
- Species Nassarius sinarus (Philippi, 1851) accepted as Nassarius sinarum (Philippi, 1851)
- Species Nassarius sinensis Marrat, 1877
- Species Nassarius sinusigerus (A. Adams, 1852)
- Species Nassarius siquijorensis (A. Adams, 1852)
- Species Nassarius skoogi (Odhner, 1923)
- Species Nassarius smithi Marrat, 1877
- Species Nassarius smitsorum Kool, 1990
- Species Nassarius sordidus (A. Adams, 1852) accepted as Nassarius livescens (Philippi, 1849)
- Species Nassarius speciosus (A. Adams, 1852)
- Species Nassarius spiraliscabrus (Chapman & Gabriel, 1914)
- Species Nassarius spirata Adams, 1852
- Species Nassarius spiratus (A. Adams, 1852)
- Species Nassarius splendidulum Dunker, 1846
- Species Nassarius splendidulus (Dunker, 1846)
- Species Nassarius steenhuisi Oostingh, 1939 † accepted as Nassarius vittatus (A. Adams, 1853)
- Species Nassarius stigmaria Adams, 1852
- Species Nassarius stigmarius (A. Adams, 1852)
- Species Nassarius stimpsonianus (C.B. Adams, 1852)
- Species Nassarius stolatus (Gmelin, 1791)
- Species Nassarius striata C.B. Adams, 1852 accepted as Nassarius versicolor (C.B. Adams, 1852)
- Species Nassarius striatula C.B. Adams, 1852 accepted as Nassarius versicolor (C.B. Adams, 1852)
- Species Nassarius striatus (C.B. Adams, 1852)
- Species Nassarius subbalteatus MacNeil, 1960 † accepted as Nassarius sufflatus (Gould, 1860)
- Species Nassarius subconstrictus (Sowerby, 1899)
- Species Nassarius subcopiosus (Ludbrook, 1958)
- Species Nassarius sublirellus (Tate, 1888)
- Species Nassarius subspinosus (Lamarck, 1822)
- Species Nassarius subtranslucidus (E.A. Smith, 1903)
- Species Nassarius succinctus (A. Adams, 1852)
- Species Nassarius sufflatus (Gould, 1860)
- Species Nassarius sumatranus (Thiele, 1925)
- Species Nassarius sundaicus Oostingh, 1939 †
- Species Nassarius suturale Lamarck, 1822
- Species Nassarius suturalis (Lamarck, 1822)
- Species Nassarius tabescens (Marrat, 1880)
- Species Nassarius tadjallii Moolenbeek, 2007
- Species Nassarius taenius (Gmelin, 1791)
- Species Nassarius taggartorum Kuroda, 1960
- Species Nassarius talahabensis (K. Martin, 1921) †
- Species Nassarius tambacanus (K. Martin, 1884) †
- Species Nassarius tangaroai Kool, 2006
- Species Nassarius tango Scarabino, 2004
- Species Nassarius tatei (Tenison-Woods, 1879)
- Species Nassarius tegula (Reeve, 1853) accepted as Nassarius tiarula (Kiener, 1841)
- Species Nassarius tegulus (Reeve, 1853) accepted as Nassarius tiarula (Kiener, 1841)
- Species Nassarius teretiusculus (A. Adams, 1852)
- Species Nassarius thachi Dekker, 2004
- Species Nassarius thaumasius (Sturany, 1900)
- Species Nassarius thersites (Bruguière, 1789) accepted as Nassarius pullus (Linnaeus, 1758)
- Species Nassarius tiarula (Kiener, 1841)
- Species Nassarius tinei (Maravigna, 1840)
- Species Nassarius tingitanus (Pallary, 1901)
- Species Nassarius torresianus (Hedley, 1915) accepted as Nassarius idyllius (Melvill & Standen, 1901)
- Species Nassarius townsendi (Dall, 1880)
- Species Nassarius trifasciatus (A. Adams, 1853)
- Species Nassarius tringa (Souverbie in Souverbie & Montrouzier, 1864)
- Species Nassarius tritoniformis (Kiener, 1841)
- Species Nassarius trivittatus (Say, 1822)
- Species Nassarius troendleorum Cernohorsky, 1980
- Species Nassarius tunetoyensis Nomura & Hatai, 1936 †
- Species Nassarius turbineus (Gould, 1845)
- Species Nassarius turulosus (Risso, 1826)
- Species Nassarius unicolor (Rousseau, 1854)
- Species Nassarius unifasciatus (Kiener, 1834)
- Species Nassarius vandervlerki Oostingh, 1939 †
- Species Nassarius vanesi Oostingh, 1935 †
- Species Nassarius vangemerti Moolenbeek, 2010
- Species Nassarius vanpeli Kool, 2005
- Species Nassarius varicifera
- Species Nassarius variciferus (A. Adams, 1852)
- Species Nassarius varicosa (Turton, 1822) accepted as Nassarius pygmaeus (Lamarck, 1822)
- Species Nassarius varicosecostatus (Fischer in Wanner, 1927) †
- Species Nassarius varicosus (Turton, 1822) accepted as Nassarius pygmaeus (Lamarck, 1822)
- Species Nassarius variegatus (A. Adams, 1852) accepted as Nassarius conoidalis (Deshayes in Belanger, 1832)
- Species Nassarius vaucheri (Pallary, 1906)
- Species Nassarius velatus (Gould, 1877) accepted as Nassarius reeveanus (Dunker, 1847)
- Species Nassarius venemai (Koperberg, 1931) †
- Species Nassarius venustus (Dunker, 1847)
- Species Nassarius verbeeki Martin, 1895
- Species Nassarius verconis Cotton & Godfrey, 1932 accepted as Nassarius mobilis (Hedley & May, 1908)
- Species Nassarius verrucosus (A. Adams, 1852) accepted as Nassarius conoidalis (Deshayes in Belanger, 1832)
- Species Nassarius versicolor (C.B. Adams, 1852)
- Species Nassarius vibex (Say, 1822)
- Species Nassarius victorianus (Iredale, 1916) accepted as Nassarius pyrrhus (Menke, 1843)
- Species Nassarius vidalensis (Barnard, 1959)
- Species Nassarius vinctus (Marrat, 1877)
- Species Nassarius vitiensis Rousseau, 1854
- Species Nassarius vitiensis (Hombron & Jaquinot, 1946) accepted as Nassarius castus (Gould, 1851)
- Species Nassarius vittatus (A. Adams, 1853)
- Species Nassarius voluptabilis Jousseaume, 1894
- Species Nassarius webbei (Petit de la Saussaye, 1850)
- Species Nassarius websteri Petuch & Sargent, 2012
- Species Nassarius weyersi (Craven, 1882)
- Species Nassarius whiteheadae Cernohorsky, 1984
- Species Nassarius wilsoni (Ludbrook, 1978) †
- Species Nassarius wilsoni (C.B. Adams, 1852)
- Species Nassarius wolffi (Knudsen, 1956)
- Species Nassarius zanzibarensis Kool & Dekker, 2007
- Species Nassarius zonalis (A. Adams, 1852) accepted as Nassarius reeveanus (Dunker, 1847)
- Genus Nasseburna de Gregorio, 1890 † accepted as Sphaeronassa Locard, 1886
- Genus Nassodonta H. Adams, 1867
- Genus Naytia H. Adams & A. Adams, 1853
- Genus Naytiopsis Thiele, 1929 accepted as Tritia Risso, 1826
- Genus Neoteron Pilsbry & Lowe, 1932
- Genus Neritula Herrmannsen, 1852
- Genus Neritula H. Adams & A. Adams, 1853 accepted as Cyclope Risso, 1826
- Genus Niotha H. Adams & A. Adams, 1853 accepted as Nassarius Duméril, 1805
- Genus Niothia Brazier, 1877 accepted as Nassarius Duméril, 1805
- Genus Northia Gray, 1847
- Genus Oligohalinophila Neiber & Glaubrecht, 2019
- Genus Pallacera Woodring, 1964 accepted as Nassarius Duméril, 1805
- Genus Panormella O. G. Costa, 1840 accepted as Cyclope Risso, 1826
- Genus Paranassa Conrad, 1868 accepted as Ilyanassa Stimpson, 1865
- Genus Parcanassa Iredale, 1936 accepted as Tritia Risso, 1826
- Genus Parviphos Sarasua, 1984 accepted as Antillophos Woodring, 1928
- Genus Philindophos Shuto, 1969 †
- Genus Phos Montfort, 1810
- Genus Phrontia Paetel, 1875 accepted as Phrontis H. Adams & A. Adams, 1853
- Genus Phrontis H. Adams & A. Adams, 1853
- Genus Plicarcularia Thiele, 1929 accepted as Nassarius Duméril, 1805
- Genus Profundinassa Thiele, 1929 accepted as Nassarius Duméril, 1805
- Genus Proneritula Thiele, 1929 accepted as Tritia Risso, 1826
- Genus Pseudocominella Nuttall & J. Cooper, 1973 †
- Genus Pseudostrombus Mörch, 1852 accepted as Bullia Gray, 1833
- Genus Psilarius Woodring, 1964 † accepted as Nassarius Duméril, 1805
- Genus Pygmaeonassa Annandale, 1924 accepted as Nassarius Duméril, 1805
- Genus Quadrasia Crosse, 1886 accepted as Clea H. Adams & A. Adams, 1855
- Genus Radulphus Iredale, 1924 accepted as Cyllene Gray, 1834
- Genus Retiarcularia Shuto, 1969 accepted as Reticarcularia Shuto, 1969
- Genus Reticarcularia Shuto, 1969 accepted as Nassarius Duméril, 1805
- Genus Reticunassa Iredale, 1936 †
- Genus Rhipophos Woodring, 1964 †
- Genus Scabronassa Peile, 1939 accepted as Nassarius Duméril, 1805
- Genus Scalanassa Petuch, 1994 †
- Genus Schizopyga Conrad, 1856 † accepted as Caesia H. Adams & A. Adams, 1853
- Genus Schizopyge Cossmann, 1901 †
- Genus Soyonassa Okutani, 1964
- Genus Sphaeronassa Locard, 1886 accepted as Nassarius Duméril, 1805
- Genus Streptorhega Bronn, 1856 accepted as Demoulia Gray, 1838
- Genus Strongylocera Mörch, 1852 † accepted as Phos Montfort, 1810
- Genus Sudonassarius Stilwell & Zinsmeister, 1992 †
- Genus Tarazeuxis Iredale, 1936 accepted as Nassarius Duméril, 1805
- Genus Tavaniotha Iredale, 1936 accepted as Nassarius Duméril, 1805
- Genus Tavanothia Iredale, 1936 accepted as Nassarius Duméril, 1805
- Genus Telasa Tapparone-Canefri, 1879 accepted as Telasco H. Adams & A. Adams, 1853
- Genus Telasco H. Adams & A. Adams, 1853 accepted as Nassarius Duméril, 1805
- Genus Thanetinassa Nuttall & J. Cooper, 1973 †
- Genus Tomlinia Peile, 1937
- Genus Trajana Gardner, 1948 †
- Genus Tritea Therese, 1900
- Genus Tritia Risso, 1826
- Genus Tritia A. Adams, 1853 accepted as Nassarius Duméril, 1805
- Genus Tritiaria Conrad, 1865 †
- Genus Tritonella A. Adams, 1852 accepted as Nassarius Duméril, 1805
- Genus Usita accepted as Nassarius Duméril, 1805
- Genus Utiza Watson, 1886 accepted as Uzita H. Adams & A. Adams, 1853
- Genus Uzita H. Adams & A. Adams, 1853 accepted as Tritia Risso, 1826
- Genus Varicinassa Habe, 1946 accepted as Nassarius Duméril, 1805
- Genus Venassa Martens, 1881 accepted as Nassarius Duméril, 1805
- Genus Whitecliffia Nuttall & J. Cooper, 1973 †
- Genus Zaphon Adams, 1858 accepted as Caesia H. Adams & A. Adams, 1853
- Genus Zenais Tapparone-Canefri, 1879 accepted as Zeuxis H. Adams & A. Adams, 1853
- Genus Zeuscis Coen, 1933 accepted as Zeuxis H. Adams & A. Adams, 1853
- Genus Zeuxis H. Adams & A. Adams, 1853 accepted as Nassarius Duméril, 1805
- Genus Zeuzis Ayres, 1916 accepted as Zeuxis H. Adams & A. Adams, 1853
- Family Nassidae accepted as Nassariidae Iredale, 1916
- Family Neogastropoda (awaiting allocation)
- Family Neptuneidae Stimpson, 1865 accepted as Buccinidae Rafinesque, 1815
- Family Nucellidae Salisbury, 1940 accepted as Muricidae Rafinesque, 1815
- Family Olivancillariidae Golikov & Starobogatov, 1975 accepted as Olividae Latreille, 1825
- Family Olivellidae Troschel, 1869
- Family Olividae Latreille, 1825
- Family Paladmetidae Stephenson, 1941 † accepted as Cancellariidae Gray, 1853
- Family Perissityidae Popenoe & Saul, 1987 †
- Family Peristerniidae Tryon, 1880 accepted as Fasciolariidae Gray, 1853
- Family Pervicaciidae Rudman, 1969 accepted as Terebridae Mörch, 1852
- Family Pholidotomidae †
- Family Pisaniidae Gray, 1857
- Family Pleioptygmatidae Quinn, 1989 accepted as Mitridae Swainson, 1831
- Family Pleurotomidae accepted as Turridae Swainson, 1840
- Family Prodotiidae Kantor, Fedosov, Kosyan, Puillandre, Sorokin, Kano, Clark & Bouchet, 2021
- Family Prosiphonidae Powell, 1951
- Family Pseudolividae de Gregorio, 1880
- Family Pseudomelatomidae Morrison, 1966
- Family Ptychatractidae Stimpson, 1865
- Family Purpuridae Children, 1823 accepted as Muricidae Rafinesque, 1815
- Family Pyramimitridae Cossmann, 1901
- Family Pyrenidae Suter, 1909 accepted as Columbellidae Swainson, 1840
- Family Pyrifusidae Bandel, 2000 †
- Family Raphitomidae Bellardi, 1875
- Family Rapidae Kuroda, 1941 accepted as Muricidae Rafinesque, 1815
- Family Sarganidae †
- Family Speightiidae Powell, 1942 †
- Family Strepsiduridae Cossmann, 1901 †
- Family Strictispiridae McLean, 1971
- Family Taiomidae Finlay & Marwick, 1937 †
- Family Taranteconidae Tucker & Tenorio, 2009 accepted as Conidae Fleming, 1822
- Family Terebridae Mörch, 1852
- Family Thaididae Jousseaume, 1888 accepted as Muricidae Rafinesque, 1815
- Family Thatcheriidae Powell, 1942 accepted as Raphitomidae Bellardi, 1875
- Family Trophonidae Cossman, 1903 accepted as Muricidae Rafinesque, 1815
- Family Tudiclidae Cossmann, 1901 † accepted as Turbinellidae Swainson, 1840
- Family Turbinellidae Swainson, 1840
- Family Turridae Swainson, 1840
- Family Vasidae H. Adams & A. Adams, 1853 accepted as Turbinellidae Swainson, 1840
- Family Vexillidae Thiele, 1929 accepted as Costellariidae MacDonald, 1860
- Family Volutidae Rafinesque, 1815
- Family Volutodermatidae Pilsbry & Olsson, 1954 †
- Family Volutomitridae Gray, 1854
- Family Weeksiidae Sohl, 1960 †
- Family Xancidae Pilsbry, 1922 accepted as Turbinellidae Swainson, 1840
- Family Zemiridae Iredale, 1924 accepted as Pseudolividae de Gregorio, 1880
- Order Neomphalina incertae sedis
- Order Neotaenioglossa
- Order Neritoina †
- Order Notaspidea
- Order Nudibranchia
- Order Opisthobranchia (awaiting allocation)
- Order Orthogastropoda (awaiting allocation) †
- Order Paragastropoda †
- Order Patellogastropoda
- Order Patellogastropoda incertae sedis
- Order Pleurobranchacea
- Order Pleurobranchomorpha
- Order Prosobranchia (awaiting allocation)
- Order Ptenoglossa
- Order Pulmonata (awaiting allocation)
- Order Pulmonata incertae sedis
- Order Runcinoidea
- Order Sacoglossa
- Order Sorbeoconcha
- Order Stenoglossa
- Order Stylommatophora
- Order Systellommatophora
- Order Thecosomata
- Order Tonnoidea
- Order Umbraculida
- Order Umbraculomorpha
- Class Helcionelloida †
- Class Mollusca (awaiting allocation)
- Class Mollusca incertae sedis
- Class Monoplacophora
- Class Paragastropoda †
- Class Polyplacophora
- Class Rostroconchia †
- Class Scaphopoda
- Class Stenothecoida †
- Class Tentaculita †
- Family Maikhanellidae Missarzhevsky, 1989 †
- Genus Lingulocaris Salter, 1866 †
- Genus Modiolocaris Peach in Jehu & Campbell, 1917 † accepted as Lingulocaris Salter, 1866 †
- Phylum Monoblastozoa accepted as Animalia incertae sedis
- Phylum Nematoda
- Phylum Nematomorpha
- Phylum Nemertea
- Phylum Onychophora
- Phylum Orthonectida
- Phylum Phoronida
- Phylum Placozoa
- Phylum Platyhelminthes
- Phylum Pogonophora accepted as Siboglinidae Caullery, 1914
- Phylum Porifera
- Phylum Priapula accepted as Priapulida
- Phylum Priapulida
- Phylum Problematica † accepted as Animalia incertae sedis
- Phylum Rhombozoa
- Phylum Rotifera
- Phylum Scalidophora incertae sedis
- Phylum Sipuncula
- Phylum Tardigrada
- Phylum Trace fossils †
- Phylum Vendobionta †
- Phylum Vestimentifera accepted as Siboglinidae Caullery, 1914
- Phylum Vetulicolia †
- Phylum Vinctiplicata incertae sedis †
- Phylum Xenacoelomorpha
- Genus Trilobocaris Pribyl, 1953 †
- Kingdom Archaea
- Kingdom Bacteria
- Kingdom Chromista
- Kingdom Fungi
- Kingdom Plantae
- Kingdom Protista accepted as Protozoa
- Kingdom Protozoa
- Kingdom Viruses
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