Assiminea distinguenda Cossmann, 1899 † accepted as Peringia distinguenda (Cossmann, 1899) † (original description)
Capulus bourdoti Cossmann, 1900 † (original description)
Chevallieria pissarroi Cossmann, 1900 † (original description)
Cymenorytis proxima Cossmann, 1900 † (original description)
Hartmannia mirifica Cossmann, 1899 † accepted as Cochlostoma (Obscurella) mirificum Cossmann, 1899 † accepted as Obscurella mirifica (Cossmann, 1899) † (original description)
Hydrobia namnetensis Cossmann, 1899 † accepted as Parhydrobia namnetensis (Cossmann, 1899) † (original description)
Nystia haudinflata Cossmann, 1899 † accepted as Bouryia parisiensis (Deshayes, 1861) † (original description)
Pasitheola macera Cossmann, 1899 † accepted as Stenothyrella macera (Cossmann, 1899) † (original description)
Rissoina bacillaris Cossmann, 1899 † (original description)
Rissoina perlucida Cossmann, 1899 † (original description)
Stenothyra polygyrata Cossmann, 1899 † (original description)
Valvata bourdoti Cossmann, 1899 † (original description)
Valvata planibasis Cossmann, 1899 † (original description)