Adeorbis labiosus Cossmann, 1888 † accepted as Cyclostremiscus labiosus (Cossmann, 1888) † (original description)
Adeorbis quinquecincta Cossmann, 1888 † accepted as Cyclostremiscus quinquecinctus (Cossmann, 1888) † (original description)
Amberleya bezanconi Cossmann, 1888 † accepted as Eucyclus bezanconi (Cossmann, 1888) † (original description)
Ampullina (Crommium) Cossmann, 1888 † accepted as Crommium Cossmann, 1888 † (original description)
Ampullina ligata Cossmann, 1888 † accepted as Amaurellina ligata (Cossmann, 1888) † (original description)
Assiminea contracta Cossmann, 1888 † accepted as Peringia contracta (Cossmann, 1888) † (original description)
Assiminea eburnoides Cossmann, 1888 † accepted as Emmericia eburnoides (Cossmann, 1888) † (original description)
Assiminea stenochora Cossmann, 1888 † accepted as Lapparentia stenochora (Cossmann, 1888) † (original description)
Atractotrema Cossmann, 1888 † (original description)
Balanocochlis eulimoides Cossmann, 1888 † accepted as Stenothyrella eulimoides (Cossmann, 1888) † (original description)
Basilissa boutillieri Cossmann, 1888 † accepted as Jujubinus boutillieri (Cossmann, 1888) † (original description)
Bayania bourdoti Cossmann, 1888 † (original description)
Bayania essomiensis Cossmann, 1888 † accepted as Bittium essomiense (Cossmann, 1888) † (original description)
Bayania hordacea (Lamarck, 1804) † (basis of record)
Bayania laubrierei Cossmann, 1888 † (original description)
Berellaia de Laubrière & Carez, 1881 † (additional source)
Bithinella (Dieretostoma) Cossmann, 1888 † accepted as Dieretostoma Cossmann, 1888 † (original description)
Bithinella (Lartetia) plicistria Cossmann, 1888 † accepted as Paladilhia plicistria (Cossmann, 1888) † (original description)
Bithinella cirsophora Cossmann, 1888 † accepted as Bythinella cirsophora Cossmann, 1888 † (original description)
Bithinella sphaeroidalis Cossmann, 1888 † accepted as Bythinella sphaeroidalis Cossmann, 1888 † (original description)
Bithinia oxyspira Cossmann, 1888 † accepted as Pseudamnicola oxyspira (Cossmann, 1888) † (original description)
Bouryia Cossmann, 1888 † (original description)
Bouryia convexiuscula Cossmann, 1888 † accepted as Bouryia microstoma microstoma (Deshayes, 1824) † (original description)
Bouryia polygyrata Cossmann, 1888 † (original description)
Boutillieria Cossmann, 1888 † accepted as Homalopoma (Boutillieria) Cossmann, 1888 † represented as Homalopoma P. P. Carpenter, 1864 (original description)
Bythinella minuata (Deshayes, 1862) † (additional source)
Calliomphalus Cossmann, 1888 † (original description)
Canaliscala Cossmann, 1888 † (original description)
Cavilabium Cossmann, 1888 † (original description)
Ceratia minutissima Cossmann, 1888 † (original description)
Chevallieria Cossmann, 1888 (original description)
Chevallieria labrosa Cossmann, 1888 † (original description)
Chevallieria mumiola Cossmann, 1888 † (original description)
Collonia flammulata Cossmann, 1888 † (original description)
Collonia goniomphalus Cossmann, 1888 † accepted as Circulopsis goniomphalus (Cossmann, 1888) † (original description)
Collonia obsoleta Cossmann, 1888 † accepted as Cirsochilus obsoletus (Cossmann, 1888) † (original description)
Cyclostoma mumia Lamarck, 1804 † accepted as Dissostoma mumia (Lamarck, 1804) † (new combination reference)
Cyclostrema obsoleta Cossmann, 1888 † accepted as Skeneopsis obsoleta (Cossmann, 1888) † (original description)
Cymenorytis Cossmann, 1888 † (original description)
Cymenorytis conica Cossmann, 1888 † (original description)
Cymenorytis densesulcata Cossmann, 1888 † (original description)
Dialopsis Cossmann, 1888 † (original description)
Discobasis Cossmann, 1888 † (original description)
Discobasis demissa (Deshayes, 1861) † (new combination reference)
Discohelix plicatella Cossmann, 1888 † accepted as Orbitestella plicatella (Cossmann, 1888) † (original description)
Dissochilus Cossmann, 1888 † (original description)
Eligmostoma Cossmann, 1888 † (original description)
Eligmostoma nitidulum (Deshayes, 1862) † accepted as Eligmostoma bucquoyi Le Renard, 1994 † (new combination reference)
Emarginula mariae Cossmann, 1888 † (original description)
Enoplochiton rochebrunei Cossmann, 1888 † (original description)
Entomope Cossmann, 1888 † (original description)
Escharella Cossmann, 1888 † accepted as Macromphalus S. V. Wood, 1842 (original description)
Escharella subsoluta Cossmann, 1888 † accepted as Macromphalus subsolutus (Cossmann, 1888) † (original description)
Eulima rectilabrum Cossmann, 1888 † accepted as Rectilabrum rectilabrum (Cossmann, 1888) † (original description)
Eulima spinula Cossmann, 1888 † accepted as Ophioarachnicola spinula (Cossmann, 1888) † (original description)
Eulima subimbricata Cossmann, 1888 † accepted as Polygireulima subimbricata (Cossmann, 1888) † (original description)
Faunus (Melanatria) dufresnei [sic] † accepted as Jponsia dufresnii (Deshayes, 1825) † (basis of record)
Faunus (Melanatria) dufresnei var. laubrierei Cossmann, 1888 † accepted as Jponsia cuvieri (Deshayes, 1825) † (original description)
Faunus (Pirenopsis) rissoinaeformis Cossmann, 1888 † accepted as Hemisinus rissoinaeformis (Cossmann, 1888) † (original description)
Fissurella asperrima Cossmann, 1888 † accepted as Diodora asperrima (Cossmann, 1888) † (original description)
Fissurella boutillieri Cossmann, 1888 † accepted as Diodora boutillieri (Cossmann, 1888) † (original description)
Helcion boutillieri Cossmann, 1888 † accepted as Lepeta boutillieri (Cossmann, 1888) † (original description)
Hipponix laubrierei Cossmann, 1888 † (original description)
Hydrobia (Polycirsus) Cossmann, 1888 † accepted as Polycirsus Cossmann, 1888 † (original description)
Hydrobia (Polycirsus) bouryi Cossmann, 1888 † accepted as Stalioa bouryi (Cossmann, 1888) † (original description)
Hydrobia (Polycirsus) tuba var. ducyensis Cossmann, 1888 † accepted as Polycirsus tuba ducyensis (Cossmann, 1888) † (original description)
Hydrobia (Polycirsus) tuba var. morleti Cossmann, 1888 † accepted as Polycirsus tuba morleti (Cossmann, 1888) † (original description)
Hydrobia laubrierei Cossmann, 1888 † (original description)
Hydrobia nitens distorta Cossmann, 1888 † accepted as Parhydrobia nitens distorta (Cossmann, 1888) † (original description)
Lacuna actaeonoides Cossmann, 1888 † accepted as Medoriopsis actaeonoides (Cossmann, 1888) † (original description)
Lacuna amaura Cossmann, 1888 † (original description)
Lacuna aratulus Cossmann, 1888 † accepted as Orthochilus aratulus (Cossmann, 1888) † (original description)
Lacuna circumvallata Cossmann, 1888 † accepted as Pseudocirsope circumvallata (Cossmann, 1888) † (original description)
Lacuna cochlearella Cossmann, 1888 † accepted as Medoriopsis cochlearella (Cossmann, 1888) † (original description)
Lacuna compressa Cossmann, 1888 † accepted as Lacunella compressa (Cossmann, 1888) † (original description)
Lacuna craspedomphalus Cossmann, 1888 † accepted as Pseudocirsope craspedomphalus (Cossmann, 1888) † (original description)
Lacuna cuisensis Cossmann, 1888 † accepted as Epheria cuisensis (Cossmann, 1888) † (original description)
Lacuna wateleti Cossmann, 1888 † accepted as Pseudocirsope wateleti (Cossmann, 1888) † (original description)
Lacunaria Conrad, 1866 † (subsequent type designation)
Lacunodon Cossmann, 1888 † accepted as Lacunella Deshayes, 1861 † (original description)
Lacunodon bernayi Cossmann, 1888 † accepted as Lacunella bernayi (Cossmann, 1888) † (original description)
Lacunoptyxis Cossmann, 1888 † accepted as Evalea (Lacunoptyxis) Cossmann, 1888 † represented as Ondina de Folin, 1870 (original description)
Lacunoptyxis praelonga Cossmann, 1888 † accepted as Ondina praelonga (Cossmann, 1888) † (original description)
Littorina deshayesi Cossmann, 1888 † accepted as Melarhaphe deshayesi (Cossmann, 1888) † (original description)
Littoriniscala asperrima Cossmann, 1888 † accepted as Amaea asperrima (Cossmann, 1888) † (original description)
Mathildia bouryi Cossmann, 1888 † accepted as Acrocoelum bouryi (Cossmann, 1888) † (original description)
Mathildia tenuisculptus Cossmann, 1888 † accepted as Seilarex tenuisculptus (Cossmann, 1888) † (original description)
Megalomastoma eurybasis Cossmann, 1888 † accepted as Ischurostoma eurybasis (Cossmann, 1888) † (original description)
Melanopsis briarti Cossmann, 1888 † (original description)
Melanopsis lactacea Cossmann, 1888 † (original description)
Melanopsis mausseneti Cossmann, 1888 † (original description)
Mesalia chaussyensis Cossmann, 1888 † accepted as Sigmesalia chaussyensis (Cossmann, 1888) † (original description)
Mesalia dameriacensis Cossmann, 1888 † accepted as Sigmesalia dameriacensis (Cossmann, 1888) † (original description)
Mitrularia boutillieri Cossmann, 1888 † accepted as Cheilea boutillieri (Cossmann, 1888) † (original description)
Monodonta compsa Cossmann, 1888 † accepted as Danilia compsa (Cossmann, 1888) † (original description)
Narica altus Cossmann, 1888 † accepted as Vanikoro altus (Cossmann, 1888) † (original description)
Natica boutillieri Cossmann, 1888 † accepted as Payraudeautia boutillieri (Cossmann, 1888) † (original description)
Natica pseudoclimax Cossmann, 1888 † accepted as Euspira pseudoclimax (Cossmann, 1888) † (original description)
Natica viviparoides Cossmann, 1888 † accepted as Euspira viviparoides (Cossmann, 1888) † (original description)
Nerita baudoni Cossmann, 1888 † accepted as Magadis baudoni (Cossmann, 1888) † (original description)