Acar gradata (Broderip & G. B. Sowerby I, 1829) (basis of record)
Achatina vivipara G. B. Sowerby I, 1838 (basis of record)
Aclis unilineata G. B. Sowerby III, 1894 (basis of record)
Adeorbis patula G. B. Sowerby III, 1894 (basis of record)
Alycaeus fugori G. B. Sowerby II, 1877 accepted as Stomacosmethis jagori (E. von Martens, 1860) (basis of record)
Alycaeus microstoma G. B. Sowerby II, 1877 accepted as Chamalycaeus sculptilis (W. H. Benson, 1856) (basis of record)
Amalthea coxi G. B. Sowerby III, 1908 (basis of record)
Amathina imbricata G. B. Sowerby III, 1889 accepted as Hipponicidae incertae sedis imbricata G. B. Sowerby III, 1889 (basis of record)
Amathina trigona G. B. Sowerby II, 1870 accepted as Amathina bicarinata Pease, 1861 accepted as Trichamathina bicarinata (Pease, 1861) (basis of record)
Amphidesma australe G. B. Sowerby I, 1833 accepted as Semele australis (G. B. Sowerby I, 1833) (basis of record)
Amphidesma crenulata G. B. Sowerby I, 1853 accepted as Semele crenulata (G. B. Sowerby I, 1853) (additional source)
Amphidesma duplicata G. B. Sowerby I, 1853 accepted as Semele duplicata (Reeve, 1853) (additional source)
Amphidesma lamellosa G. B. Sowerby I, 1853 accepted as Semele lamellosa (G. B. Sowerby I, 1853) (additional source)
Amphidesma pulchrum G. B. Sowerby I, 1832 accepted as Semele pulchra (G. B. Sowerby I, 1833) (additional source)
Amphidesma punctatum G. B. Sowerby I, 1833 accepted as Semele sowerbyi Tryon, 1869 (basis of record)
Amphidesma purpurascens G. B. Sowerby I, 1833 accepted as Semele barbarae (Boone, 1928) (basis of record)
Amphidesma reticulata G. B. Sowerby I, 1853 accepted as Tellina reticulata Linnaeus, 1767, sensu Poli, 1791 accepted as Ctena decussata (O. G. Costa, 1829) (basis of record)
Amphidesma reticulatum G. B. Sowerby I, 1853 accepted as Tellina reticulata Linnaeus, 1767, sensu Poli, 1791 accepted as Ctena decussata (O. G. Costa, 1829) (basis of record)
Amphidesma rugulosum G. B. Sowerby I, 1846 accepted as Semele solida (J. E. Gray, 1828) (basis of record)
Amphidesma rupium G. B. Sowerby I, 1833 accepted as Semele rupium (G. B. Sowerby I, 1833) (basis of record)
Amphidesma siculum G. B. Sowerby I, 1833 accepted as Scrobicularia cottardii (Payraudeau, 1826) (basis of record)
Amphidesma subtruncata G. B. Sowerby I, 1853 accepted as Semele radiata (Say, 1826) (additional source)
Amphiperas smithi G. B. Sowerby III, 1894 (basis of record)
Ampullaria alucinans G. B. Sowerby III, 1910 (basis of record)
Ampullaria levior G. B. Sowerby III, 1909 (basis of record)
Ampullaria mermodi G. B. Sowerby III, 1919 (basis of record)
Ampullaria nigricans G. B. Sowerby III, 1910 (basis of record)
Ampullaria pertusa G. B. Sowerby III, 1894 accepted as Pomacea castelloi (G. B. Sowerby III, 1894) (basis of record)
Anabathron pagodiformis G. B. Sowerby III, 1914 accepted as Merelina pagodiformis (G. B. Sowerby III, 1914) (basis of record)
Anadara concinna (G. B. Sowerby I, 1833) (basis of record)
Anadara emarginata (G. B. Sowerby I, 1833) (basis of record)
Anadara formosa (G. B. Sowerby I, 1833) (basis of record)
Anadara fultoni (G. B. Sowerby III, 1907) (basis of record)
Anadara fultoni (G. B. Sowerby III, 1907) (additional source)
Anadara labiosa (G. B. Sowerby I, 1833) (basis of record)
Anadara nux (G. B. Sowerby I, 1833) (basis of record)
Anadara obesa (G. B. Sowerby I, 1833) (basis of record)
Anadara tuberculosa (G. B. Sowerby I, 1833) (basis of record)
Anatina prismatica G. B. Sowerby I, 1834 accepted as Laternula elliptica (P. P. King, 1832) (basis of record)
Anatina rostrata G. B. Sowerby II, 1839 accepted as Exolaternula spengleri (Gmelin, 1791) (basis of record)
Anatinella sibbaldii G. B. Sowerby I, 1833 accepted as Anatinella nicobarica (Gmelin, 1791) (basis of record)
Ancilla optima G. B. Sowerby III, 1897 accepted as Amalda optima (G. B. Sowerby III, 1897) (basis of record)
Ancilla osculata G. B. Sowerby III, 1900 accepted as Bullia osculata (G. B. Sowerby III, 1900) (additional source)
Ancilla pura G. B. Sowerby III, 1892 accepted as Ancilla marmorata (Reeve, 1864) (basis of record)
Ancillaria cingulata G. B. Sowerby I, 1830 accepted as Ancillista cingulata (G. B. Sowerby I, 1830) (basis of record)
Ancillaria depressa G. B. Sowerby II, 1859 accepted as Amalda depressa (G. B. Sowerby II, 1859) (basis of record)
Ancillaria mauritiana G. B. Sowerby I, 1830 accepted as Anolacia mauritiana (G. B. Sowerby I, 1830) (basis of record)
Ancillaria mucronata G. B. Sowerby I, 1830 accepted as Amalda mucronata (G. B. Sowerby I, 1830) (basis of record)
Ancillaria torosa G. B. Sowerby II, 1859 accepted as Anolacia mauritiana (G. B. Sowerby I, 1830) (basis of record)
Anodon alatus G. B. Sowerby I, 1823 (basis of record)
Anodon atrovirens G. B. Sowerby II, 1867 (basis of record)
Anodon bengalensis G. B. Sowerby II, 1867 accepted as Simpsonella purpurea (Valenciennes, 1827) (basis of record)
Anodon biangulata G. B. Sowerby II, 1869 accepted as Gonidea angulata (I. Lea, 1838) (additional source)
Anodon bonellii G. B. Sowerby II, 1867 (basis of record)
Anodon brevis G. B. Sowerby II, 1870 (basis of record)
Anodon cheeziana G. B. Sowerby II, 1867 accepted as Anodonta chaiziana Rang, 1835 accepted as Aspatharia chaiziana (Rang, 1835) (basis of record)
Anodon cochlearis G. B. Sowerby II, 1870 accepted as Aspatharia pfeifferiana (Bernardi, 1860) (basis of record)
Anodon dactylus G. B. Sowerby II, 1867 accepted as Anodontites elongata (Swainson, 1823) (basis of record)
Anodon exoticus G. B. Sowerby II, 1867 accepted as Anodontites trapesialis (Lamarck, 1819) (basis of record)
Anodon exulceratus Porro, 1838 accepted as Anodonta exulcerata Porro, 1838 (basis of record)
Anodon glabrus G. B. Sowerby II, 1870 accepted as Anodonta impura Say, 1829 (additional source)
Anodon herculeus G. B. Sowerby II, 1867 accepted as Cristaria plicata (Leach, 1814) (basis of record)
Anodon hians G. B. Sowerby II, 1867 accepted as Leila blainvilliana (I. Lea, 1834) (basis of record)
Anodon javona G. B. Sowerby II, 1867 accepted as Pilsbryoconcha exilis (I. Lea, 1838) (basis of record)
Anodon kelletii G. B. Sowerby II, 1867 accepted as Pilsbryoconcha exilis (I. Lea, 1838) (basis of record)
Anodon nopalatensis G. B. Sowerby II, 1867 accepted as Pyganodon grandis (Say, 1829) (additional source)
Anodon pallegoixi G. B. Sowerby II, 1867 accepted as Lens pallegoixi (G. B. Sowerby II, 1867) (additional source)
Anodon pholadiformis G. B. Sowerby II, 1870 accepted as Pyganodon fragilis (Lamarck, 1819) (additional source)
Anodon quadriplicatus G. B. Sowerby II, 1870 accepted as Strophitus undulatus (Say, 1817) (additional source)
Anodon reticulatus G. B. Sowerby II, 1867 accepted as Anodontites crispata Bruguière, 1792 (basis of record)
Anodon rioplatensis G. B. Sowerby II, 1870 accepted as Anodontites trapesialis (Lamarck, 1819) (basis of record)
Anodon rostratus G. B. Sowerby II, 1867 accepted as Anodonta nuttalliana I. Lea, 1838 (basis of record)
Anodon schomburgianus G. B. Sowerby II, 1870 accepted as Anodontites schomburgiana (G. B. Sowerby II, 1870) (additional source)
Anodon scriptus G. B. Sowerby II, 1867 accepted as Anodontites trapesialis (Lamarck, 1819) (basis of record)
Anodon simplicidus G. B. Sowerby II, 1867 accepted as Anodonta cygnea (Linnaeus, 1758) (basis of record)
Anodon solenidea G. B. Sowerby II, 1867 accepted as Anodontites solenidea (G. B. Sowerby II, 1867) (additional source)
Anodon subreniformis G. B. Sowerby II, 1867 accepted as Aspatharia subreniformis (G. B. Sowerby II, 1867) (additional source)
Anodon subsinuatus G. B. Sowerby II, 1867 accepted as Anodontites trapesialis (Lamarck, 1819) (basis of record)
Anodon tabula G. B. Sowerby II, 1867 accepted as Chambardia wahlbergi (Krauss, 1848) (basis of record)
Anodon triangularis G. B. Sowerby II, 1867 (basis of record)
Anodon tricostatus G. B. Sowerby II, 1870 accepted as Sinanodonta woodiana (I. Lea, 1834) (basis of record)
Anomia alternans G. B. Sowerby I, 1846 † accepted as Monia alternans (G. B. Sowerby I, 1846) † (basis of record)
Apicalia biformis G. B. Sowerby III, 1897 accepted as Echineulima mittrei (Petit de la Saussaye, 1851) (basis of record)
Aplysia angasi G. B. Sowerby I, 1869 accepted as Aplysia argus Rüppell & Leuckart, 1830 (additional source)
Aplysia anguilla G. B. Sowerby I, 1869 (additional source)
Aplysia brasiliensis G. B. Sowerby I, 1833 (basis of record)
Aplysia cornigera G. B. Sowerby II, 1869 (additional source)
Aplysia gigantea G. B. Sowerby I, 1869 (additional source)
Aplysia guadaloupensis G. B. Sowerby I, 1869 accepted as Aplysia brasiliana Rang, 1828 (basis of record)
Aplysia hyalina G. B. Sowerby I, 1869 (basis of record)
Aplysia japonica G. B. Sowerby I, 1869 (additional source)
Aplysia norfolkensis G. B. Sowerby I, 1869 accepted as Aplysia concava G. B. Sowerby I, 1833 (basis of record)
Aplysia orientalis G. B. Sowerby I, 1869 (additional source)
Aplysia quadrata G. B. Sowerby I, 1833 (basis of record)
Aplysia similis G. B. Sowerby I, 1869 (basis of record)
Aplysia sinensis G. B. Sowerby I, 1869 (basis of record)
Aplysia subquadrata G. B. Sowerby I, 1869 (additional source)
Aplysia sydneyensis G. B. Sowerby I, 1869 (additional source)
Aplysia trigona G. B. Sowerby I, 1869 (additional source)
Aporrhais pescarbonis (Brongniart, 1823) sensu Forbes & Hanley, 1853 accepted as Aporrhais serresiana (Michaud, 1828) (basis of record)

Valparaiso (region) for Siphonaria laeviuscula G. B. Sowerby I, 1835 

 Authority

 for Calliostoma plambralum Spry, 1961

Spry (1961) attributed the name to Sowerby, but none of the Sowerbys introduced such a name.  [details]

 Authority

 for Tellina essingtonensis G. B. Sowerby II, 1866

attributed to Deshayes (Donax essingtonensis) in text; to Sowerby in Index. [details]

 Homonymy

 for Unio swinhoei H. Adams, 1866

Junior homonym of Unio swinhoei G. B. Sowerby II, 1866 (May) [details]

 Nomenclature

 for Cardium tuberculare G. B. Sowerby I, 1831

Error for C. tuberculatum Linnaeus, 1758 [details]

 Nomenclature

 for Helix luzonica Reeve, 1842

This taxon was described independently by Reeve and Pfeiffer in short succession, each attributed to Sowerby. Reeve ... [details]

 Spelling

 for Cypraea macandrewi G. B. Sowerby II, 1870

The original spelling was emended by Schilder & Schilder (1971); the emended spelling is conserved under ICZN Art. ... [details]

 Spelling

 for Monotigma G. B. Sowerby II, 1839

Deemed to be a misspelling under ICZN Article 33.3.1 as the spelling Monotygma is in prevailing usage. [details]

 Spelling

 for Monotygma G. B. Sowerby II, 1839

Deemed by Petit (2009) to be the correct spelling of Monotigma, being in prevailing usage (ICZN Article 33.3.1.) [details]

 Taxonomic remark

 for Stomatella haliotoidea A. Adams, 1854

22. Stomatella haliotoidea first appeared in A. Adams’ 1854 Monograph of Stomatellinae in the Thesaurus (p. 837, ... [details]

 Taxonomy

 for Bistolida owenii (J. E. Gray, 1832)

Petit (2009: 24 and 148) attributes this taxon to J. E. Gray in G. B. Sowerby I, 1832). It was introduced as a ... [details]

 Taxonomy

 for Blasicrura owenii (J. E. Gray, 1832)

Petit (2009: 24 and 148) attributes this taxon to J. E. Gray in G. B. Sowerby I, 1832). It was introduced as a ... [details]

 Taxonomy

 for Cypraea hirundo var. owenii J. E. Gray, 1832

Petit (2009: 24 and 148) attributes this taxon to J. E. Gray in G. B. Sowerby I, 1832). It was introduced as a ... [details]

 Taxonomy

 for Erosaria macandrewi (G. B. Sowerby II, 1870)

Petit (2009: 189) notes that this taxon was introduced with the spelling "macandrei", despite Sowerby stated in the ... [details]

 Taxonomy

 for Erronea xanthodon (J. E. Gray, 1832)

Petit 2009:186 lists this species as Gray in G. B. Sowerby I, 1832, although many authors credit it to Sowerby [details]