Amplexis T. Brown, 1827 accepted as Vallonia Risso, 1826 (original description)
Anatina brevirostris T. Brown, 1829 accepted as Cuspidaria cuspidata (Olivi, 1792) (original description)
Anatina ovalis T. Brown, 1827 accepted as Thracia villosiuscula (MacGillivray, 1827) (original description)
Arcopagia T. Brown, 1827 † (original description)
Avicula anglica T. Brown, 1827 accepted as Pteria hirundo (Linnaeus, 1758) (original description)
Brochus T. Brown, 1827 accepted as Caecum J. Fleming, 1813 (original description)
Brochus arcuatus T. Brown, 1827 accepted as Ditrupa arietina (O. F. Müller, 1776) (original description)
Brochus striatus T. Brown, 1827 accepted as Caecum trachea (Montagu, 1803) (original description)
Brochus trachiformis T. Brown, 1827 accepted as Caecum trachea (Montagu, 1803) (original description)
Bulla lima T. Brown, 1827 accepted as Retusophiline lima (T. Brown, 1827) (original description)
Bulla producta T. Brown, 1827 accepted as Cylichna cylindracea (Pennant, 1777) (original description)
Bullaea catina T. Brown, 1827 accepted as Philine catena (Montagu, 1803) (original description)
Cardium discrepans T. Brown, 1827 (original description)
Cardium tenuis T. Brown, 1827 (original description)
Cardium zonatum T. Brown, 1827 accepted as Cerastoderma glaucum (Bruguière, 1789) (original description)
Chiton achatinus T. Brown, 1827 accepted as Callochiton septemvalvis (Montagu, 1803) (original description)
Chiton discrepans T. Brown, 1827 accepted as Acanthochitona discrepans (T. Brown, 1827) (original description)
Chiton fuscatus T. Brown, 1827 accepted as Lepidochitona (Lepidochitona) cinerea (Linnaeus, 1767) represented as Lepidochitona cinerea (Linnaeus, 1767) (original description)
Clausina T. Brown, 1827 accepted as Venus Linnaeus, 1758 (original description)
Cornuoides T. Brown, 1827 accepted as Caecum J. Fleming, 1813 (original description)
Cornuoides minor T. Brown, 1827 (original description)
Crassina convexiuscula T. Brown, 1827 accepted as Tridonta montagui (Dillwyn, 1817) (original description)
Crassina corrugata T. Brown, 1827 accepted as Tridonta borealis Schumacher, 1817 (original description)
Crassina depressa T. Brown, 1827 accepted as Tridonta borealis Schumacher, 1817 (original description)
Crassina elliptica T. Brown, 1827 accepted as Tridonta elliptica (T. Brown, 1827) (original description)
Crassina obliqua T. Brown, 1827 accepted as Tridonta montagui (Dillwyn, 1817) (original description)
Crassina ovata T. Brown, 1827 accepted as Tridonta elliptica (T. Brown, 1827) (original description)
Crenella T. Brown, 1827 (original description)
Crenella elliptica T. Brown, 1827 accepted as Crenella decussata (Montagu, 1808) (original description)
Cytherea minuta T. Brown, 1827 accepted as Gouldia minima (Montagu, 1803) (original description)
Delphinoidea T. Brown, 1827 (original description)
Diaphana T. Brown, 1827 (original description)
Diaphana candida T. Brown, 1827 accepted as Diaphana minuta T. Brown, 1827 (original description)
Diaphana minuta T. Brown, 1827 (original description)
Diaphana pellucida T. Brown, 1827 accepted as Diaphana minuta T. Brown, 1827 (original description)
Exoleta T. Brown, 1827 accepted as Dosinia Scopoli, 1777 (original description)
Exoleta orbiculata T. Brown, 1827 accepted as Dosinia exoleta (Linnaeus, 1758) (original description)
Exoleta radula T. Brown, 1827 accepted as Dosinia exoleta (Linnaeus, 1758) (original description)
Fusus asperrimus T. Brown, 1827 accepted as Trophonopsis muricata (Montagu, 1803) (original description)
Fusus brevis T. Brown, 1827 (original description)
Fusus cranchii T. Brown, 1827 accepted as Propebela rufa (Montagu, 1803) (original description)
Fusus gyrinus T. Brown, 1827 accepted as Ocinebrina aciculata aciculata (Lamarck, 1822) accepted as Ocinebrina aciculata (Lamarck, 1822) (original description)
Fusus pictus (W. Turton, 1825) accepted as Rhombinella laevigata (Linnaeus, 1758) (basis of record)
Fusus rufus T. Brown, 1827 (original description)
Fusus subnigeris T. Brown, 1827 accepted as Chauvetia brunnea (Donovan, 1804) (original description)
Galericulum T. Brown, 1827 accepted as Otina Gray, 1847 (original description)
Galericulum ovatum T. Brown, 1827 accepted as Otina ovata (T. Brown, 1827) (original description)
Helix foetida T. Brown, 1827 accepted as Oxychilus alliarius (J. S. Miller, 1822) (original description)
Hiatella T. Brown, 1827 accepted as Lyonsia W. Turton, 1822 (original description)
Jaminia T. Brown, 1827 accepted as Parthenina Bucquoy, Dautzenberg & Dollfus, 1883 (original description)
Jaminia obtusa T. Brown, 1827 accepted as Chrysallida interstincta (J. Adams, 1797) accepted as Parthenina interstincta (J. Adams, 1797) (original description)
Jaminia quinquedens T. Brown, 1827 accepted as Myosotella myosotis (Draparnaud, 1801) (original description)
Lasaea T. Brown, 1827 (original description)
Lima sulcata T. Brown, 1827 accepted as Limatula subauriculata (Montagu, 1808) (original description)
Lima vitrina T. Brown, 1827 accepted as Limaria hians (Gmelin, 1791) (original description)
Lutea T. Brown, 1827 (original description)
Lutea subpellucida T. Brown, 1827 (original description)
Lymnaea lacustris T. Brown, 1827 (original description)
Mactra elliptica T. Brown, 1827 accepted as Spisula elliptica (T. Brown, 1827) (original description)
Mactra striata T. Brown, 1827 accepted as Spisula subtruncata (da Costa, 1778) (original description)
Mactrina T. Brown, 1827 accepted as Goodallia W. Turton, 1822 (original description)
Mactroidea T. Brown, 1827 accepted as Goodallia W. Turton, 1822 (original description)
Magdala T. Brown, 1827 accepted as Lyonsia W. Turton, 1822 (original description)
Modiola prideauxiana T. Brown, 1827 accepted as Rhomboidella prideauxi (Leach, 1815) (original description)
Modiola radiata T. Brown, 1827 accepted as Modiola adriatica Lamarck, 1819 accepted as Modiolus adriaticus Lamarck, 1819 (original description)
Mytilus elegans T. Brown, 1827 accepted as Mytilus edulis Linnaeus, 1758 (original description)
Nucula oblonga T. Brown, 1827 accepted as Nuculana pernula (O. F. Müller, 1779) (original description)
Ortygia T. Brown, 1827 accepted as Chamelea Mörch, 1853 (original description)
Ortygia costata T. Brown, 1827 accepted as Clausinella fasciata (da Costa, 1778) (original description)
Ortygia gallina (Linnaeus, 1758) accepted as Chamelea gallina (Linnaeus, 1758) (new combination reference)
Ortygia rugosa (Pennant, 1777) accepted as Chamelea striatula (da Costa, 1778) (basis of record)
Ortygia spinifera T. Brown, 1827 accepted as Myrtea spinifera (Montagu, 1803) (original description)
Ortygia subcordata T. Brown, 1827 accepted as Chamelea striatula (da Costa, 1778) (original description)
Ortygia sulcata T. Brown, 1827 accepted as Chamelea striatula (da Costa, 1778) (original description)
Paludina ventricosa T. Brown, 1827 accepted as Bithynia leachii (Sheppard, 1823) (original description)
Patella clypea T. Brown, 1827 accepted as Testudinalia testudinalis (O. F. Müller, 1776) (original description)
Pecten spinosus T. Brown, 1827 accepted as Talochlamys pusio (Linnaeus, 1758) (original description)
Phasianella bifasciata T. Brown, 1827 accepted as Lacuna vincta (Montagu, 1803) (original description)
Phasianella canalis (Montagu, 1803) accepted as Lacuna vincta (Montagu, 1803) (basis of record)
Phasianella corneus T. Brown, 1827 accepted as Lacuna vincta (Montagu, 1803) (original description)
Phasianella striatus T. Brown, 1827 accepted as Lacuna vincta (Montagu, 1803) (original description)
Phasianella vinctus (Montagu, 1803) accepted as Lacuna vincta (Montagu, 1803) (basis of record)
Pholas sulcata T. Brown, 1827 accepted as Pholadidea loscombiana W. Turton, 1819 (original description)
Pinna elegans T. Brown, 1827 accepted as Atrina fragilis (Pennant, 1777) (original description)
Planaria T. Brown, 1827 accepted as Trochlea Haldeman, 1842 accepted as Gyraulus Charpentier, 1837 (original description)
Pleurotoma reticulata T. Brown, 1827 accepted as Curtitoma trevelliana (W. Turton, 1834) (original description)
Psammobia punctura T. Brown, 1827 accepted as Lepton squamosum (Montagu, 1803) (original description)
Psammophila T. Brown, 1827 accepted as Lutraria (Psammophila) T. Brown, 1827 represented as Lutraria Lamarck, 1799 (original description)
Pyramis T. Brown, 1827 accepted as Onoba H. Adams & A. Adams, 1852 (original description)
Pyramis acutissimus T. Brown, 1827 accepted as Aclis ascaris (W. Turton, 1819) (original description)
Pyramis candidus T. Brown, 1827 accepted as Onoba semicostata (Montagu, 1803) (original description)
Pyramis crenatus T. Brown, 1827 accepted as Pyrgiscus crenatus (T. Brown, 1827) (original description)
Pyramis decussatus T. Brown, 1827 accepted as Onoba semicostata (Montagu, 1803) (original description)
Pyramis discors T. Brown, 1827 accepted as Onoba semicostata (Montagu, 1803) (original description)
Pyramis glabrus T. Brown, 1827 (original description)
Pyramis interruptus (J. Adams, 1800) accepted as Rissoa parva (da Costa, 1778) (basis of record)
Pyramis laevis T. Brown, 1827 accepted as Eulimella acicula (R. A. Philippi, 1836) (original description)
Pyramis semicostatus (Montagu, 1803) accepted as Onoba semicostata (Montagu, 1803) (basis of record)
Retusa T. Brown, 1827 (original description)
Sipho T. Brown, 1827 accepted as Puncturella R. T. Lowe, 1827 (original description)

 Description

 for Brochus arcuatus T. Brown, 1827

Brown (1927) includes in the figure caption the words "Brochus arcuatus. Brown's MSS — A new species. Found in ... [details]