''Beddomeia tumida'' is a species of very small (4
[) freshwater ]snail
A snail is, in loose terms, a shelled gastropod. The name is most often applied to land snails, terrestrial pulmonate gastropod molluscs. However, the common name ''snail'' is also used for most of the members of the molluscan class Gastro ...
that has a gill
A gill () is a respiratory organ that many aquatic organisms use to extract dissolved oxygen from water and to excrete carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they are ...
and an operculum. It is an aquatic operculate 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 ...
in the family Hydrobiidae
Hydrobiidae, commonly known as mud snails, is a large cosmopolitan family of very small freshwater and brackish water snails with an operculum; they are in the order Littorinimorpha.
Distribution
Hydrobiidae are found in much of the world, ...
, and is endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...
to Australia.IUCN
The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natu ...
as "critically endangered but possibly extinct", when in late 2021 one was found by researchers in yingina/Great Lake in the Central Plateau of Tasmania
)
, nickname =
, image_map = Tasmania in Australia.svg
, map_caption = Location of Tasmania in AustraliaCoordinates:
, subdivision_type = Country
, subdi ...
. A survey found 15 further snails.
See also
*List of non-marine molluscs of Australia
This is a very incomplete list of the non-marine molluscs of the country of Australia. They are part of the invertebrate fauna of Australia.
Freshwater gastropods
The freshwater molluscs of Australia vary greatly in size, shape, biology and ...
References
External links
*
*
Hydrobiidae
Beddomeia
Gastropods of Australia
Endemic fauna of Australia
Critically endangered fauna of Australia
Gastropods described in 1889
Taxonomy articles created by Polbot
{{Hydrobiidae-stub