''Iravadia'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of very small, somewhat

amphibious Amphibious means able to use either land or water. In particular it may refer to: Animals * Amphibian, a vertebrate animal of the class Amphibia (many of which live on land and breed in water) * Amphibious caterpillar * Amphibious fish, a fish ...

land snail A land snail is any of the numerous species of snail that live on land, as opposed to the sea snails and freshwater snails. ''Land snail'' is the common name for terrestrial gastropod mollusks that have shells (those without shells are known as ...

s that have 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, semi- terrestrial

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 ...

mollusk 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 e ...

s or

micromollusk 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 ...

in the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Iravadiidae Iravadiidae is a family of minute sea snails, marine gastropod molluscs in the superfamily Truncatelloidea and the clade Littorinimorpha Littorinimorpha is a large order of snails, gastropods, consisting primarily of sea snails (marine sp ...

.Gofas, S. (2012). Iravadia Blanford, 1867. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=205147 on 2012-08-12 These tiny snails live in damp habitat (under rotting vegetation) that is very close to the edge of the sea; they can tolerate being washed with saltwater during especially high tides. These snails are listed as freshwater snails by Vaught (1989).Vaught K. C. (1989) ''A classification of the living mollusca'', edited by R. Tucker Abbott and Kenneth J. Boss.

Taxonomy

William Thomas Blanford established the genus ''Iravadia'' within the family

Rissoidae Rissoidae is a large family of very small and minute sea snails with an operculum, marine gastropod mollusks in the superfamily Rissooidea and the order Littorinimorpha Littorinimorpha is a large order of snails, gastropods, consisting pr ...

in 1867.

Species

Species within the genus ''Iravadia'' include: * '' Iravadia angulata'' (Laseron, 1956) * '' Iravadia bombayana'' (Stoliczka, 1868) * ''

Iravadia capitata ''Iravadia'' is a genus of very small, somewhat amphibious land snails that have a gill and an operculum, semi- terrestrial gastropod mollusks or micromollusk in the family Iravadiidae.Gofas, S. (2012). Iravadia Blanford, 1867. Accessed through ...

'' (Laseron, 1956) * ''

Iravadia carpentariensis ''Iravadia'' is a genus of very small, somewhat amphibious land snails that have a gill and an operculum, semi- terrestrial gastropod mollusks or micromollusk in the family Iravadiidae.Gofas, S. (2012). Iravadia Blanford, 1867. Accessed through ...

'' (Hedley, 1912) * '' Iravadia cochinchinensis'' (Bavay & Dautzenberg, 1910) * † '' Iravadia dolini'' Lozouet, 2003Lozouet P. (2003). "A new species of ''Iravadia'' s.s. (Mollusca, Gastropoda, Iravadiidae) from the late Oligocene of the Aquitaine Basin (southern France). The earliest record of brackish-water Iravadiidae?". ''Geodiversitas'' 25(2): 237-242
PDF
* '' Iravadia elongata'' (Hornung & Mermod, 1928) * ''

Iravadia goliath ''Iravadia'' is a genus of very small, somewhat amphibious land snails that have a gill and an operculum, semi-terrestrial gastropod mollusks or micromollusk in the family Iravadiidae.Gofas, S. (2012). Iravadia Blanford, 1867. Accessed through ...

'' (Laseron, 1956) * ''

Iravadia ornata ''Iravadia'' is a genus of very small, somewhat :wikt:amphibious, amphibious land snails that have a gill and an operculum (gastropod), operculum, semi-terrestrial animal, terrestrial gastropod mollusks or micromollusk in the family (biology), f ...

'' Blanford, 1867 - type species of the genus ''Iravadia'' * ''

Iravadia pilbara ''Iravadia'' is a genus of very small, somewhat amphibious land snails that have a gill and an operculum, semi-terrestrial gastropod mollusks or micromollusk in the family Iravadiidae.Gofas, S. (2012). Iravadia Blanford, 1867. Accessed through ...

'' Golding, 2014 * ''

Iravadia quadrasi ''Iravadia'' is a genus of very small, somewhat amphibious land snails that have a gill and an operculum, semi-terrestrial gastropod mollusks or micromollusk in the family Iravadiidae.Gofas, S. (2012). Iravadia Blanford, 1867. Accessed through ...

'' (O. Boettger, 1893) * ''

Iravadia quadrina ''Iravadia'' is a genus of very small, somewhat amphibious land snails that have a gill and an operculum, semi-terrestrial gastropod mollusks or micromollusk in the family Iravadiidae.Gofas, S. (2012). Iravadia Blanford, 1867. Accessed through ...

'' (Laseron, 1956) * ''

Iravadia rohdei ''Iravadia'' is a genus of very small, somewhat amphibious land snails that have a gill and an operculum, semi-terrestrial gastropod mollusks or micromollusk in the family Iravadiidae.Gofas, S. (2012). Iravadia Blanford, 1867. Accessed through ...

'' (Brandt, 1968) * ''

Iravadia tenella ''Iravadia'' is a genus of very small, somewhat amphibious land snails that have a gill and an operculum, semi-terrestrial gastropod mollusks or micromollusk in the family Iravadiidae.Gofas, S. (2012). Iravadia Blanford, 1867. Accessed through ...

'' Bavay & Dautzenberg, 1912 * ''

Iravadia tenuilirata ''Iravadia'' is a genus of very small, somewhat amphibious land snails that have a gill and an operculum, semi- terrestrial gastropod mollusks or micromollusk in the family Iravadiidae.Gofas, S. (2012). Iravadia Blanford, 1867. Accessed through ...

'' (Boettger, 1893) ;Species brought into synonymy: * ''Iravadia annandalei'' Preston, 1916: synonym of ''

'' Blanford, 1867 * ''Iravadia aristaei'' (Melvill, 1912): synonym of ''

Pseudonoba aristaei ''Pseudonoba'' is a genus of sea snails, marine gastropod mollusks in the family Iravadiidae.MolluscaBase (2019). MolluscaBase. Pseudonoba O. Boettger, 1902. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphi ...

'' (Melvill, 1912) * ''Iravadia atemeles'' (Melvill, 1912): synonym of ''

Pseudonoba atemeles ''Pseudonoba'' is a genus of sea snails, marine gastropod mollusks in the family Iravadiidae.MolluscaBase (2019). MolluscaBase. Pseudonoba O. Boettger, 1902. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphi ...

'' (Melvill, 1896) * ''Iravadia australis'' Hedley, 1900: synonym of '' Pellamora australis'' (Hedley, 1901) * ''Iravadia bella'' (A. Adams, 1853): synonym of ''Iravadia delicata'' (Philippi, 1849) * ''Iravadia delicata'' (Philippi, 1849): synonym of '' Pseudonoba delicata'' (Philippi, 1849) * ''Iravadia densilabrum'' (Melvill, 1912): synonym of '' Pellamora densilabrum'' (Melvill, 1912) * ''Iravadia elegantula'' (A. Adams, 1861): synonym of '' Fluviocingula elegantula'' (A. Adams, 1861) * ''Iravadia ennurensis'' Preston, 1916: synonym of ''Iravadia ornata'' Blanford, 1867 * ''Iravadia expansilabrum'' Ponder, 1984: synonym of '' Pseudonoba expansilabrum'' (Ponder, 1984) (original combination) * ''Iravadia funerea'' Preston, 1916: synonym of ''Iravadia ornata'' Blanford, 1867 * ''Iravadia gemmata'' Ponder, 1984: synonym of ''

Pseudonoba gemmata ''Pseudonoba'' is a genus of sea snails, marine gastropod mollusks in the family Iravadiidae.MolluscaBase (2019). MolluscaBase. Pseudonoba O. Boettger, 1902. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphi ...

'' (Ponder, 1984) * ''Iravadia ictriella'' (Melvill, 1910): synonym of ''

Pseudonoba ictriella ''Pseudonoba'' is a genus of sea snails, marine gastropod mollusks in the family Iravadiidae.MolluscaBase (2019). MolluscaBase. Pseudonoba O. Boettger, 1902. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphi ...

'' (Melvill, 1910) * ''Iravadia inflata'' (Ponder, 1967): synonym of ''

Pseudonoba inflata ''Pseudonoba'' is a genus of sea snails, marine gastropod mollusks in the family Iravadiidae Iravadiidae is a family of minute sea snails, marine gastropod molluscs in the superfamily Truncatelloidea and the clade Littorinimorpha Litto ...

'' (Ponder, 1967) * ''Iravadia mahimensis'' (Melvill, 1893): synonym of '' Pseudomerelina mahimensis'' (Melvill, 1893) * ''Iravadia nipponica'' (Kuroda & Habe, 1954): synonym of '' Fluviocingula nipponica'' Kuroda & Habe, 1954 * ''Iravadia padangensis'' (Thiele, 1925): synonym of ''

Pseudonoba padangensis ''Pseudonoba'' is a genus of sea snails, marine gastropod mollusks in the family Iravadiidae.MolluscaBase (2019). MolluscaBase. Pseudonoba O. Boettger, 1902. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphi ...

'' (Thiele, 1925) * ''Iravadia princeps'' Preston, 1915: synonym of ''Iravadia ornata'' Blanford, 1867 * ''Iravadia profundior'' Ponder, 1984: synonym of ''

Pseudonoba profundior ''Pseudonoba'' is a genus of sea snails, marine gastropod mollusks in the family Iravadiidae.MolluscaBase (2019). MolluscaBase. Pseudonoba O. Boettger, 1902. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphi ...

'' (Ponder, 1984) (originam combination) * ''Iravadia resima'' (Laseron, 1956): synonym of '' Fluviocingula resima'' (Laseron, 1956) * ''Iravadia reticulata'' Brandt, 1968: synonym of ''Iravadia quadrasi'' (O. Boettger, 1893) * ''Iravadia sakaguchii'' (Kuroda & Habe, 1954): synonym of '' Wakauraia sakaguchii'' (Kuroda & Habe, 1954) * ''Iravadia sublevis'' (Laseron, 1956): synonym of ''

Pseudonoba sublevis ''Pseudonoba'' is a genus of sea snails, marine gastropod mollusks in the family Iravadiidae.MolluscaBase (2019). MolluscaBase. Pseudonoba O. Boettger, 1902. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphi ...

'' (Laseron, 1956) * ''Iravadia subquadrata'' (Laseron, 1950): synonym of ''

Pseudonoba subquadrata ''Pseudonoba'' is a genus of sea snails, marine gastropod mollusks in the family Iravadiidae.MolluscaBase (2019). MolluscaBase. Pseudonoba O. Boettger, 1902. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphi ...

'' (Laseron, 1950) * ''Iravadia trochlearis'' (Gould, 1861): synonym of '' Stosicia annulata'' (Dunker, 1859) * ''Iravadia tuberculata'' Brandt, 1974: synonym of ''Iravadia mahimensis'' (Melvill, 1893) * ''Iravadia yendoi'' (Yokoyama, 1927): synonym of '' Pseudonoba yendoi'' (Yokoyama, 1927)

References

External links

Blanford W. T. (1867). Contributions to Indian Malacology, No. VIII. List of Estuary shells collected in the delta of the Irawady, in Pegu, with descriptions of the new species. Journal of the Asiatic Society of Bengal. 36(2): 51-72, pl. 2

Ponder W. F. (1984) ''A review of the genera of the Iravadiidae (Gastropoda: Rissoacea) with an assessment of the relationships of the Family''. Malacologia 25(1): 21-71
Iravadiidae Gastropod genera {{Caenogastropoda-stub