Espécies (5.943)
- Hinia tenuistriata
- Hipponyx cranioides
- Hipponyx tumens
- Hyala laevigata
- Hydrobia wiedenhoferi
- Hydrobia turrita
- Hydrobia zwellendamensis
- Hydrobioides nassa Walker ssp. dautzenbergi
- Janthina communis
- Janthia nitens
- Janthia bicolor
- Janthina fragilis
- Janthina globosa
- Janthina nitens
- Hydrobia alabastrina
- Hydrobia anceps
- Hydrobia caledonensis
- Hydrobia canariensis
- Hydrobia confalonierii
- Hydrobia brevispira
- Hydrobia conoidea
- Hydrobia consociella
- Hydrobia fasciata
- Hydrobia gagathinella
- Hydrobia knysnaensis
- Hydrobia monotropida
- Hydrobia musaensis
- Hydrobia ochridae
- Islamia bendidis
- Islamia graeca
- Iglica kleinzellensis Reischütz 1981
- Iglica gebhardti
- Iglica absoloni ssp. parvula
- Iglica hungarica
- Janthina bicolor
- Hydrobia patrizii
- Hydrobia pleneri
- Hydrobia prespaensis
- Hydrobia pseudocornea
- Hydrobia scholtzi 1876
- Hydrobia similis
- Hydrobia steini Martens 1858
- Hydrobia stagnorum Gmelin 1790
- Hydrobia strongylostoma
- Hydrobia tristis
- Hydrobia thermalis
- Lacuna borealis
- Lacuna divaricata Fabricius
- Lacuna pallidula Costa 1778
- Lambis chioga
- Kelletia hosiusi
- Kelletia montensis
- Kobeltocochlea michnoi
- Lampusia lampas
- Latirus craticulatus
- Latirus incarnatus
- Latirus nassatulus
- Latirus rothi
- Latirus brasiliana
- Latirus forskalii
- Valvata minuta Draparnaud 1805
- Narona minima
- Trophonopsis semperi
- Trophon gruneri
- Trophon tenuisculpata
- Truncatella turrita
- Trunculariopsis turonensis
- Urosalpinx sismondai
- Urosalpinx cinereus
- Triton lotorium
- Tritonalia aciculata
- Tritonalia edwardsi
- Triton variegatum
- Tritonium corrugatum
- Turriscala torulosa
- Typhis angasi
- Typhis belcheri
- Typhis arcuatus
- Typhis coronatus
- Typhis cumingii
- Typhis duplicata
- Typhis fruticosus
- Typhis fimbriatus
- Typhis japonicus
- Unedogemmula boreoturricula
- Unedogemmula hanseata
- Unedogemmula stoffelsi
- Trichotropis borealis
- Trichotropis conica
- Trigonostoma barnardi
- Trigonostoma extractrix
- Trigonostoma apertum
- Trigonostoma geslini
- Trigonostoma holosericeum
- Trigonostoma lindeni
- Trigonostoma holosericum
- Trigonostoma mistense
- Trigonostoma obvulata
- Trigonostoma pouwi
- Trigonostoma obvolutum Müller 1774