【觿螺属】
觿螺属（学名：Hydrobia）是一种在咸淡水交界生活，体型非常小的觿螺科淡水腹足纲软体动物WoRMS_138081。本属物种相对比较原始，有鳃和螺厣WoRMS_138081。
==物种==
以下为本属的物种：
* † Hydrobia abbreviata (Grateloup, 1827)
* † Hydrobia acheila Brusina, 1902
* Hydrobia aciculina (Bourguignat, 1876)
* Hydrobia acuta (Draparnaud, 1805)
** subspecies Hydrobia acuta neglecta Muus, 1963 - synonym: Hydrobia neglecta Muus, 1963
* † Hydrobia acutecarinata Neumayr in Neumayr & Paul, 1875
* † Hydrobia aitai Jekelius, 1932
* † Hydrobia alpha Jekelius, 1944
* † Hydrobia alutae Jekelius, 1932
* † Hydrobia andreaei Boettger in Degrange-Touzin, 1892
* † Hydrobia andrussowi Hilber, 1897
* Hydrobia antarctica Philippi, 1868
* † Hydrobia aquitanica Degrange-Touzin, 1892
* † Hydrobia atropida Brusina, 1892
* † Hydrobia aturensis Noulet, 1854
* † Hydrobia aurita Neumayr in Neumayr & Paul, 1875
* † Hydrobia avisanensis Fontannes, 1877
* † Hydrobia baltici Brusina, 1902
* † Hydrobia banatica Jekelius, 1944
* † Hydrobia barzaviae Jekelius, 1932
* † Hydrobia bathyomphala Brusina, 1902
* † Hydrobia bialozurkensis (Montpéreux, 1831)
* † Hydrobia bicristata Simionescu & Barbu, 1940
* † Hydrobia brusinai Wenz, 1919
* † Hydrobia caerulescens (Gmelin, 1791)
* † Hydrobia calderoni Royo Gómez, 1922
* † Hydrobia carinata Gillet & Geissert, 1971
* † Hydrobia cestasensis Cossmann & Peyrot, 1918
* † Hydrobia cingulata Capellini, 1880
* † Hydrobia cubillensis (Almera & Bofill y Poch, 1895)
* † Hydrobia detracta Jekelius, 1944
* † Hydrobia ditropida Brusina, 1892
* Hydrobia djerbaensis Wilke, Pfenninger & Davis, 2002
* † Hydrobia dollfusi Wenz, 1913
* † Hydrobia draparnaldii (Nyst, 1836)
* † Hydrobia dubuissoni (Bouillet, 1834)
* † Hydrobia effusa (Frauenfeld in Hörnes, 1856)
* † Hydrobia enikalensis Kolesnikov, 1935
* † Hydrobia euryomphala (Bourguignat, 1876)
* † Hydrobia falsani (Fontannes, 1876)
* † Hydrobia fischeri (Hermite, 1879)
* † Hydrobia fraasi (Blanckenhorn, 1897)
* † Hydrobia frauenfeldi (Hörnes, 1856)
* † Hydrobia friedbergi Simionescu & Barbu, 1940
* † Hydrobia gibba (Braun in Walchner, 1851)
* † Hydrobia girondica Boettger in Degrange-Touzin, 1892
* Hydrobia glaucovirens (Melvill & Ponsonby, 1896)
* Hydrobia glyca (Servain, 1880)
* † Hydrobia gracilis (Rolle, 1860)
* † Hydrobia grandis Cobălcescu, 1883
* † Hydrobia gregaria (Schlotheim, 1820)
* † Hydrobia hermitei Wenz, 1919
* † Hydrobia hoernesi Friedberg, 1923
* † Hydrobia inflata (Pusch, 1837)
* Hydrobia knysnaensis (Krauss, 1848)
* † Hydrobia kubanica Zhizhchenko, 1936
* Hydrobia lactea (Küster, 1852)
* † Hydrobia limnicola (Rolle, 1860)
* † Hydrobia lineata Jekelius, 1944
* † Hydrobia longaeva Neumayr in Neumayr & Paul, 1875
* † Hydrobia metochiana Pavlović, 1932
* † Hydrobia minutissima (Grateloup, 1838)
* † Hydrobia moesiacensis Jekelius, 1944
* † Hydrobia morasensis Fontannes, 1883
* † Hydrobia morgani Morgan, 1920
* † Hydrobia mucronata Jekelius, 1944
* † Hydrobia nannacus Kadolsky, 2008
* † Hydrobia obtusa (Sandberger, 1858)
* † Hydrobia onuri Taner, 1974
* † Hydrobia paludinaria (Schlotheim, 1820)
* † Hydrobia peregrina Boettger, 1901
* † Hydrobia pisana Wenz, 1924
* † Hydrobia planata (Montpéreux, 1831)
* † Hydrobia podolica Łomnicki, 1886
* † Hydrobia politioanei Jekelius, 1944
* † Hydrobia polytropida Brusina, 1892
* † Hydrobia pontilitoris Wenz, 1942
* † Hydrobia procera (Mayer, 1864)
* † Hydrobia protracta (Eichwald, 1853)
* † Hydrobia pseudocaspia Sinzov in Davitashvili, 1932
* † Hydrobia pseudocornea Brusina, 1902
* † Hydrobia punctum (Eichwald, 1853)
* † Hydrobia pupa (Sacco, 1895)
* † Hydrobia pupula Brusina, 1874
* † Hydrobia radmanyestensis Wenz, 1925
* † Hydrobia reinachi Boettger in Reinach, 1894
* † Hydrobia rhodiensis Tournouër in Fischer, 1877
* † Hydrobia romani Royo Gómez, 1922
* † Hydrobia rossii Brusina, 1878 †
* † Hydrobia royoi Robles & Goy, 1972
* † Hydrobia sacyi Cossmann & Peyrot, 1918
* † Hydrobia santrici Pavlović, 1935
* † Hydrobia schlosseri Royo Gómez, 1928
* † Hydrobia semiconvexa Sandberger, 1875
* † Hydrobia septemlineata Łomnicki, 1886
* † Hydrobia simplex (Fuchs, 1877)
* † Hydrobia sinjana Brusina, 1897
* † Hydrobia slavonica Brusina, 1874
* † Hydrobia soceni Jekelius, 1944
* † Hydrobia spicula Stefanescu, 1896
* † Hydrobia stavropoliana Zhizhchenko, 1936
* † Hydrobia striatella (Grateloup, 1838)
* † Hydrobia subconoidalis Morgan, 1920
* † Hydrobia subprotracta Zhizhchenko, 1936
* † Hydrobia substriatula Sinzov, 1880
* † Hydrobia subsuturata Jekelius, 1944
* † Hydrobia subventrosa Gottschick, 1921
* † Hydrobia sulculata Sandberger, 1875
* † Hydrobia syrmica Neumayr in Neumayr & Paul, 1875
* † Hydrobia tarchanensis Zhizhchenko, 1936
* † Hydrobia timisiensis Jekelius, 1944
* † Hydrobia tournoueri Sandberger, 1875
* † Hydrobia trochulus Sandberger, 1875
* † Hydrobia turrita (Grateloup, 1827)
* † Hydrobia uiratamensis Kolesnikov, 1935
* † Hydrobia vitrella Stefanescu, 1896
异名
* Hydrobia anatolica Schütt, 1965: synonym of Graecoanatolica anatolica (Schütt, 1965)
* Hydrobia atuca Boeters, 1988: synonym of Ecrobia ventrosa (Montagu, 1803)
* Hydrobia compacta Jeffreys, 1884 : synonym of Barleeia gougeti (Michaud, 1830)
* Hydrobia costaricensis Mörch, 1860: synonym of Aroapyrgus costaricensis (Mörch, 1860)
* † Hydrobia elongata carinulata Wenz, 1913: synonym of † Hydrobia gregaria (Schlotheim, 1820)
* Hydrobia eutrepha Paladilhe, 1867: synonym of Bythinella eutrepha (Paladilhe, 1867)
* Hydrobia georgiana Pfeffer, 1886: synonym of Eatoniella georgiana (Pfeffer, 1886)
* Hydrobia jenkinsi E. A. Smith, 1889: synonym of Potamopyrgus antipodarum (Gray, 1843)
* Hydrobia joossei van Aartsen, Menkhorst & Gittenberger, 1984: synonym of Hydrobia glyca (Servain, 1880)
* Hydrobia limosa (Preston, 1915) : synonym of Littoridina limosa Preston, 1915
* Hydrobia longiscata (Bourguignat, 1856) : synonym of Semisalsa longiscata (Bourguignat, 1856)
* Hydrobia maritima Milaschewitsch, 1916: synonym of Ecrobia maritima (Milaschewitsch, 1916)
* Hydrobia miliacea G. Nevill, 1880: synonym of Gangetia miliacea (G. Nevill, 1880)
* Hydrobia minuta Totten : synonym of Ecrobia truncata (Vanatta, 1924)
* Hydrobia neglecta Muus, 1963: synonym of Hydrobia acuta neglecta Muus, 1963
* Hydrobia pamphylica Schütt, 1964: synonym of Graecoanatolica pamphylica (Schütt, 1964)
* Hydrobia pontieuxini Radoman, 1973: synonym of Ecrobia maritima (Milaschewitsch, 1916)
* Hydrobia procerula (Paladilhe, 1869): synonym of Hydrobia acuta acuta (Draparnaud, 1805)
* Hydrobia pumilio E. A. Smith, 1875: synonym of Laevilacunaria antarctica (Martens, 1885)
* Hydrobia salsa (Pilsbry, 1905): synonym of Spurwinkia salsa (Pilsbry, 1905)
* Hydrobia scamandri (Boeters, Monod & Vala, 1977): synonym of Semisalsa stagnorum (Gmelin, 1791)
* Hydrobia seemani Frauenfeld, 1863: synonym of Tryonia seemani (Frauenfeld, 1863)
* Hydrobia stagnalis Baster, 1765 : synonym of  Heleobia stagnorum (Gmelin, 1791)
* Hydrobia stagnorum (Gmelin, 1791) : synonym of Heleobia stagnorum (Gmelin, 1791)
* Hydrobia steinii Martens, 1858: synonym of Marstoniopsis steinii (Martens, 1858)
* Hydrobia striata (d'Orbigny, 1840): synonym of Onoba amissa Ponder & Worsfold, 1994
* Hydrobia totteni Morrison, 1954 : synonym of Ecrobia truncata (Vanatta, 1924)
* Hydrobia truncata (Vanatta, 1924): synonym of Ecrobia truncata (Vanatta, 1924)
* Hydrobia turbinata Petterd, 1889: synonym of Ascorhis victoriae (Tenison-Woods, 1878)
* Hydrobia ulvae (Pennant, 1777): synonym of Peringia ulvae (Pennant, 1777)
* Hydrobia vegorriticola Schütt, 1962: synonym of Graecoanatolica vegorriticola (Schütt, 1962)
* Hydrobia ventrosa (Montague, 1803) : synonym of Ecrobia ventrosa (Montagu, 1803)
* Hydrobia victoriae (Tenison Woods, 1878): synonym of Ascorhis victoriae (Tenison-Woods, 1878)
==参考文献==
* Taylor, J.D. (1973). Provisional list of the mollusca of Aldabra Atoll.
* Eneman, E. (1984). Uit het Natuurhistorisch Archief From the Natural History Archive. De Strandvlo 4(1): 4-17
* Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA). 0-915826-22-4. XII, 195 pp.
* Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180-213
* Rolán E., 2005. Malacological Fauna From The Cape Verde Archipelago. Part 1, Polyplacophora and Gastropoda