[unassigned] †
[unassigned] Abyssochrysoidea (temporary name )
[unassigned] Ampullariidae † (temporary name )
[unassigned] Bithyniidae (temporary name )
[unassigned] Buccinidae (temporary name )
[unassigned] Buccinoidea (temporary name )
[unassigned] Caenogastropoda (temporary name )
[unassigned] Cerithiidae (temporary name )
[unassigned] Cerithioidea (temporary name )
[unassigned] Conoidea (temporary name )
[unassigned] Marginellidae (temporary name )
[unassigned] Mitridae (temporary name )
[unassigned] Mitromorphidae (temporary name )
[unassigned] Mitromorphidae linigera (Duclos, 1846) (uncertain > taxon inquirendum )
[unassigned] Muricidae (temporary name )
[unassigned] Muricoidea (temporary name )
[unassigned] Nassariidae (temporary name )
[unassigned] Naticidae (temporary name )
[unassigned] Neogastropoda (temporary name )
[unassigned] Olividae (temporary name )
[unassigned] Rissooidea † (temporary name )
[unassigned] Sorbeoconcha (temporary name )
[unassigned] Truncatelloidea (temporary name )
[unassigned] Viviparidae (temporary name )
Abaconia Clench, 1938 accepted as Litiopa Rang, 1829
Abaconia naufraga (Clench, 1938) accepted as Litiopa melanostoma Rang, 1829
Abbottella J. B. Henderson & Bartsch, 1920
Abbottella (Abbottella) J. B. Henderson & Bartsch, 1920 represented as Abbottella J. B. Henderson & Bartsch, 1920
Abbottella (Abbottella) abbotti Bartsch, 1946 accepted as Abbottipoma abbotti (Bartsch, 1946)
Abbottella (Abbottella) adolfi (L. Pfeiffer, 1852) accepted as Arenabbottella adolfi (L. Pfeiffer, 1852)
Abbottella (Abbottella) adolfi adolfi (L. Pfeiffer, 1852) accepted as Arenabbottella adolfi (L. Pfeiffer, 1852)
Abbottella (Abbottella) adolfi peninsularis Bartsch, 1946 represented as Abbottella adolfi peninsularis Bartsch, 1946 accepted as Arenabbottella sanchezi (Bartsch, 1946)
Abbottella (Abbottella) aenea Watters, 2010 accepted as Arenabbottella aenea (Watters, 2010)
Abbottella (Abbottella) calliotropis Watters, 2013 accepted as Arenabbottella calliotropis (Watters, 2013)
Abbottella (Abbottella) crossei (Pilsbry, 1933) accepted as Abbottipoma crossei (Pilsbry, 1933)
Abbottella (Abbottella) diadema Watters, 2013 accepted as Microabbottella diadema (Watters, 2013)
Abbottella (Abbottella) dichroa Watters, 2013 accepted as Arenabbottella dichroa (Watters, 2013)
Abbottella (Abbottella) harpeza Watters & Duffy, 2010 accepted as Abbottipoma crossei (Pilsbry, 1933)
Abbottella (Abbottella) mellosa Watters & Duffy, 2010 accepted as Arenabbottella mellosa (Watters & Duffy, 2010)
Abbottella (Abbottella) milleacantha Watters & Duffy, 2010 accepted as Arenabbottella milleacantha (Watters & Duffy, 2010)
Abbottella (Abbottella) nitens Watters, 2013 accepted as Arenabbottella nitens (Watters, 2013)
Abbottella (Abbottella) rosaliae (L. Pfeiffer, 1858) accepted as Arenabbottella rosaliae (L. Pfeiffer, 1858)
Abbottella (Abbottella) samanensis Bartsch, 1946 accepted as Arenabbottella samanensis (Bartsch, 1946)
Abbottella (Abbottella) sanchezi Bartsch, 1946 accepted as Arenabbottella sanchezi (Bartsch, 1946)
Abbottella (Abbottella) sosuaensis Bartsch, 1946 accepted as Arenabbottella sosuaensis (Bartsch, 1946)
Abbottella (Abbottella) tenebrosa Watters, 2013 accepted as Arenabbottella tenebrosa (Watters, 2013)
Abbottella (Abbottella) urbana Watters, 2012 accepted as Arenabbottella urbana (Watters, 2012)
Abbottella (Abbottella) wilhelmi (L. Pfeiffer, 1858) accepted as Arenabbottella wilhelmi (L. Pfeiffer, 1858)
Abbottella (Gundlachtudora) de la Torre & Bartsch, 1941 accepted as Tudora (Gundlachtudora) de la Torre & Bartsch, 1941 represented as Tudora Gray, 1850
Abbottella (Gundlachtudora) bompardopolensis Bartsch, 1946 accepted as Rolleia bombardopolensis (Bartsch, 1946)
Abbottella (Gundlachtudora) paradoxa Watters, 2013 accepted as Rolleia paradoxa (Watters, 2013)
Abbottella abbotti Bartsch, 1946 accepted as Abbottipoma abbotti (Bartsch, 1946)
Abbottella adolfi (L. Pfeiffer, 1852) accepted as Arenabbottella adolfi (L. Pfeiffer, 1852)
Abbottella adolfi adolfi (L. Pfeiffer, 1852) accepted as Arenabbottella adolfi (L. Pfeiffer, 1852)
Abbottella adolfi peninsularis Bartsch, 1946 accepted as Arenabbottella sanchezi (Bartsch, 1946)
Abbottella adolphi [sic] accepted as Arenabbottella adolfi (L. Pfeiffer, 1852)
Abbottella adolphi peninsularis Bartsch, 1946 accepted as Arenabbottella sanchezi (Bartsch, 1946)
Abbottella aenea Watters, 2010 accepted as Arenabbottella aenea (Watters, 2010)
Abbottella bompardopolensis (Bartsch, 1946) accepted as Rolleia bombardopolensis (Bartsch, 1946)
Abbottella calliotropis Watters, 2013 accepted as Arenabbottella calliotropis (Watters, 2013)
Abbottella crataegus Watters, 2016
Abbottella crossei (Pilsbry, 1933) accepted as Abbottipoma crossei (Pilsbry, 1933)
Abbottella diadema Watters, 2013 accepted as Microabbottella diadema (Watters, 2013)
Abbottella dichroa Watters, 2013 accepted as Arenabbottella dichroa (Watters, 2013)
Abbottella domingoensis Bartsch, 1946
Abbottella gabbi (Crosse, 1873) accepted as Abbottipoma gabbi (Crosse, 1873)
Abbottella gabbi gabbi (Crosse, 1873) accepted as Abbottipoma gabbi (Crosse, 1873)
Abbottella gabbi pilsbryi Bartsch, 1946 accepted as Abbottipoma crossei (Pilsbry, 1933)
Abbottella haitensis Bartsch, 1946
Abbottella harpeza Watters & Duffy, 2010 accepted as Abbottipoma crossei (Pilsbry, 1933)
Abbottella mellosa Watters & Duffy, 2010 accepted as Arenabbottella mellosa (Watters & Duffy, 2010)
Abbottella milleacantha Watters & Duffy, 2010 accepted as Arenabbottella milleacantha (Watters & Duffy, 2010)
Abbottella moreletiana (Crosse, 1873)
Abbottella moreletiana domingoensis Bartsch, 1946 accepted as Abbottella domingoensis Bartsch, 1946
Abbottella moreletiana gabrieli Bartsch, 1946 accepted as Abbottella domingoensis Bartsch, 1946
Abbottella moreletiana kriegeri Bartsch, 1946
Abbottella moreletiana moreletiana (Crosse, 1873)
Abbottella moreletiana wetmorei Bartsch, 1946 accepted as Abbottella domingoensis Bartsch, 1946
Abbottella nitens Watters, 2013 accepted as Arenabbottella nitens (Watters, 2013)
Abbottella paradoxa Watters, 2013 accepted as Rolleia paradoxa (Watters, 2013)
Abbottella rosaliae (L. Pfeiffer, 1858) accepted as Arenabbottella rosaliae (L. Pfeiffer, 1858)
Abbottella samanensis Bartsch, 1946 accepted as Arenabbottella samanensis (Bartsch, 1946)
Abbottella sanchezi Bartsch, 1946 accepted as Arenabbottella sanchezi (Bartsch, 1946)
Abbottella sosuaensis Bartsch, 1946 accepted as Arenabbottella sosuaensis (Bartsch, 1946)
Abbottella tenebrosa Watters, 2013 accepted as Arenabbottella tenebrosa (Watters, 2013)
Abbottella tentorium (L. Pfeiffer, 1850) accepted as Arenabbottella tentorium (L. Pfeiffer, 1850)
Abbottella urbana Watters, 2012 accepted as Arenabbottella urbana (Watters, 2012)
Abbottella wilhelmi (L. Pfeiffer, 1858) accepted as Arenabbottella wilhelmi (L. Pfeiffer, 1858)
Abbottellinae Watters, 2016
Abbottipoma Watters, M. L. Smith & Sneddon, 2020
Abbottipoma abbotti (Bartsch, 1946)
Abbottipoma crossei (Pilsbry, 1933)
Abbottipoma gabbi (Crosse, 1873)
Abeskunus Logvinenko & Starobogatov, 1969
Abeskunus brusinianus (Clessin & W. Dybowski, 1887)
Abeskunus depressispira (Logvinenko & Starobogatov, 1969)
Abeskunus exiguus (Eichwald, 1838)
Abretia H. Adams & A. Adams, 1853 accepted as Abretiella Dall, 1923 accepted as Oxymeris Dall, 1903
Abretia antarctica (E. A. Smith, 1873) accepted as Terebra tristis Deshayes, 1859 accepted as Duplicaria tristis (Deshayes, 1859)
Abretia brasiliensis E. A. Smith, 1873 accepted as Neoterebra brasiliensis (E. A. Smith, 1873)