Cyclas bristovii Forbes, 1856 † accepted as Sphaerium bristovii (Forbes, 1856) † (original description)
Cyrena gibbosula J. Morris, 1856 † accepted as Corbicula gibbosula (J. Morris, 1856) † (original description)
Cyrena obtusa Forbes, 1856 † accepted as Batissa anglicana (Prime, 1860) † (original description)
Cyrena transversa Forbes, 1856 † (original description)
Cyrena wrightii Forbes, 1856 † accepted as Cyrena pulchra var. wrightii Forbes, 1856 † (original description)
Melania forbesii J. Morris, 1856 † accepted as Potamaclis forbesii (J. Morris, 1856) † (original description)
Melania muricata Forbes, 1856 † accepted as Tarebia acuta (J. Sowerby, 1822) † (original description)
Melania muricata var. excavata J. Morris, 1856 † accepted as Tarebia acuta excavata (J. Morris, 1856) † (original description)
Melania turritissima Lyell, 1855 † accepted as Potamaclis turritissima (Lyell, 1855) † (redescription)
Melanopsis subcarinata J. Morris, 1856 † accepted as Melanopsis morrisi Wenz, 1928 † (original description)
Melanopsis subfusiformis J. Morris, 1856 † (original description)
Nematura parvula J. Morris, 1856 † accepted as Stenothyroides parvula (J. Morris, 1856) † (original description)
Ostrea vectensis J. Morris, 1856 † accepted as Crassostrea vectensis (J. Morris, 1856) † (original description)
Unio austenii Forbes, 1856 † (original description)
Unio gibbsii Forbes, 1856 † (original description)