• a live Indoplanorbis exustus
    Indoplanorbis exustus
    ... that the widely distributed Asian freshwater snail Indoplanorbis exustus (pictured) is an important intermediate host for several trematode parasites?
  • a shell
    Gulella streptostelopsis
    ... that the minute land snail Gulella streptostelopsis (shell pictured) may in fact represent an as yet unnamed genus?
  • ... that the freshwater snail family Helicostoidae contains only one species?


  • a yellow snail with brown shell in an aquarium
    Pomacea bridgesii
    ... that within the class Gastropoda there are 33 families that contain species of freshwater snails (one species pictured)?