Iravadia Explained

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.^[1]

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).^[2]

Taxonomy

William Thomas Blanford established the genus Iravadia within the family Rissoidae in 1867.

Species

Species within the genus Iravadia include:

• Iravadia angulata (Laseron, 1956)
• Iravadia bombayana (Stoliczka, 1868)
• Iravadia capitata (Laseron, 1956)
• Iravadia carpentariensis (Hedley, 1912)
• Iravadia cochinchinensis (Bavay & Dautzenberg, 1910)
• † Iravadia dolini Lozouet, 2003^[3]
• Iravadia elongata (Hornung & Mermod, 1928)
• Iravadia goliath (Laseron, 1956)
• Iravadia ornata Blanford, 1867 - type species of the genus Iravadia^[3]
• Iravadia pilbara Golding, 2014
• Iravadia quadrasi (O. Boettger, 1893)
• Iravadia quadrina (Laseron, 1956)
• Iravadia rohdei (Brandt, 1968)
• Iravadia tenella Bavay & Dautzenberg, 1912
• Iravadia tenuilirata (Boettger, 1893)

Species brought into synonymy:

• Iravadia annandalei Preston, 1916: synonym of Iravadia ornata Blanford, 1867
• Iravadia aristaei (Melvill, 1912): synonym of Pseudonoba aristaei (Melvill, 1912)
• Iravadia atemeles (Melvill, 1912): synonym of Pseudonoba atemeles (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 (Ponder, 1984)
• Iravadia ictriella (Melvill, 1910): synonym of Pseudonoba ictriella (Melvill, 1910)
• Iravadia inflata (Ponder, 1967): synonym of Pseudonoba inflata (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 (Thiele, 1925)
• Iravadia princeps Preston, 1915: synonym of Iravadia ornata Blanford, 1867
• Iravadia profundior Ponder, 1984: synonym of Pseudonoba profundior (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 (Laseron, 1956)
• Iravadia subquadrata (Laseron, 1950): synonym of Pseudonoba subquadrata (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)

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

Notes and References

1. 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
2. Vaught K. C. (1989) A classification of the living mollusca, edited by R. Tucker Abbott and Kenneth J. Boss.
3. Lozouet 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.