Akera flexilis T. Brown, 1827 accepted as Akera bullata O. F. Müller, 1776 (additional source)
Alasmodon margaritiferus (Linnaeus, 1758) accepted as Margaritifera margaritifera (Linnaeus, 1758) (basis of record)
Alasmodon margaritiferus arcuata T. Brown, 1844 (original description)
Alasmodon margaritiferus olivacea T. Brown, 1844 (original description)
Anodon cygneus (Linnaeus, 1758) accepted as Anodonta cygnea (Linnaeus, 1758) (basis of record)
Anodon cygneus contorta T. Brown, 1844 (original description)
Anodonta contorta T. Brown, 1844 accepted as Anodonta cygnea (Linnaeus, 1758) (original description)
Azor T. Brown, 1844 accepted as Azorinus Récluz, 1869 (original description)
Bontaea T. Brown, 1844 accepted as Cochlodesma Couthouy, 1839 (original description)
Cerithium cancellatum T. Brown, 1838 (original description)
Coramya T. Brown, 1844 accepted as Hiatella Bosc, 1801 (original description)
Corbula rosea T. Brown, 1844 accepted as Varicorbula gibba (Olivi, 1792) (original description)
Cyclas citrina T. Brown, 1844 accepted as Sphaerium corneum (Linnaeus, 1758) (original description)
Fusus multilinearis T. Brown, 1838 (original description)
Gobraeus T. Brown, 1844 accepted as Gari (Gobraeus) T. Brown, 1844 represented as Gari Schumacher, 1817 (original description)
Lacuna montagui T. Brown, 1844 (original description)
Lacuna retusa T. Brown, 1844 (original description)
Lima goodallii T. Brown, 1844 (original description)
Limecola T. Brown, 1844 accepted as Macoma Leach, 1819 (original description)
Limecola solidula T. Brown, 1844 accepted as Macoma balthica (Linnaeus, 1758) (original description)
Modiola balli T. Brown, 1844 accepted as Lioberus agglutinans (Cantraine, 1835) (original description)
Modiola ballii T. Brown, 1844 accepted as Lioberus agglutinans (Cantraine, 1835) (original description)
Myatella montagui T. Brown, 1844 accepted as Lyonsia norwegica (Gmelin, 1791) (original description)
Patella vulgata var. albumena T. Brown, 1844 (original description)
Patella vulgata var. communis T. Brown, 1844 accepted as Patella vulgata Linnaeus, 1758 (original description)
Patella vulgata var. conica T. Brown, 1844 (original description)
Pharus T. Brown, 1844 accepted as Pharus J. E. Gray, 1840 (original description)
Pullastra irus (Linnaeus, 1758) accepted as Irus irus (Linnaeus, 1758) (basis of record)
Rissoa acuta T. Brown, 1838 (original description)
Rissoa candida T. Brown, 1838 (original description)
Rissoa glabra (T. Brown, 1827) (new combination reference)
Rissoa graphica T. Brown, 1844 accepted as Cingula trifasciata (J. Adams, 1800) (original description)
Rissoa interrupta (J. Adams, 1800) accepted as Rissoa parva (da Costa, 1778) (basis of record)
Rissoa semicostata (Montagu, 1803) accepted as Onoba semicostata (Montagu, 1803) (basis of record)
Rissoa virginea T. Brown, 1838 (original description)
Thracia brevirostra T. Brown, 1844 accepted as Cuspidaria cuspidata (Olivi, 1792) (original description)
Thracia ovata T. Brown, 1844 accepted as Thracia villosiuscula (MacGillivray, 1827) (original description)
Trichotropis acuminata T. Brown, 1844 (original description)
Trochus perforatus T. Brown, 1838 accepted as Steromphala cineraria (Linnaeus, 1758) (original description)
Trochus perforatus T. Brown, 1838 accepted as Steromphala cineraria (Linnaeus, 1758) (additional source)
Turbo ventricosus T. Brown, 1838 (original description)
Utriculus T. Brown, 1844 accepted as Retusa T. Brown, 1827 (original description)

Great Britain for Littorina communis T. Brown, 1841 † 

 Nomenclature

 for Azor T. Brown, 1844

Name attributed by Brown to Leach. Leach's MS name was first made available by J. de C. Sowerby with a taxonomic ... [details]

 Nomenclature

 for Pharus T. Brown, 1844

attributed to Leach MSS by Brown [details]

 Type locality

 for Littorina communis T. Brown, 1841 †

Bramerton Hill, near Norwich, England [details]

 Type locality

 for Trochus perforatus T. Brown, 1838

Kyles of Bute, Scotland [details]