''Hemistomia minutissima'' is a species of minute

freshwater snail Freshwater snails are gastropod mollusks which live in fresh water. There are many different families. They are found throughout the world in various habitats, ranging from ephemeral pools to the largest lakes, and from small seeps and springs ...

s with an operculum, aquatic

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusc Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is esti ...

s or

micromollusc A micromollusk is a shelled mollusk which is extremely small, even at full adult size. The word is usually, but not exclusively, applied to marine mollusks, although in addition, numerous species of land snails and freshwater mollusks also r ...

s in the family Hydrobiidae. This species is endemic to

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

, where it is only known from the

Erskine Valley Erskine Valley is a small, steep-sided, forested valley, containing the perennial Erskine Creek with several small waterfalls. About one kilometre long and broad, it lies between Mounts Lidgbird (to the north) and Gower (to the south), on the we ...

, on the southern part of Lord Howe Island.

References

External links

* * Hemistomia Gastropods of Australia Gastropods described in 1982 Taxonomy articles created by Polbot {{Hydrobiidae-stub