Land gastropods in the USA include: Charopidae Discidae Helicodiscidae Oreohelicidae There are 34 freshwater gastropod taxa on this list.
The only marine endangered gastropod is Haliotis sorenseni.
The only overseas endangered land snail is Papustyla pulcherrima.
Altogether 36 gastropod species are federally listed as of 2 October 2009.
[4] Lists of molluscs of surrounding countries: