鱗窗螺屬（学名：）是一種微小貝尺寸海螺的屬。本屬舊屬原始腹足目蝾螺科，今屬鐘螺總科縮口螺科，其物種有鈣質的口蓋。

鱗窗螺屬的學名Leptothyra曾被多次使用，不同時期不同人的定義都有不同的處理。現時提及Leptothyra時，一般都會指Pease (1869)定義的縮口螺類成員。

型態描述
鱗窗螺屬物種有着堅實的微型壳体，略呈球形、卵圆形或陀螺形；具脐孔，狭窄型或较小圆形。口蓋有多重螺旋，有一個中心以外的核，口蓋朝外一邊的中心凹陷。的型態是分辨本屬與缩口螺属物種的主要特徵。

物種
本屬包括下列各物種
 Leptothyra balnearii Pilsbry, H.A., 1920
 Leptothyra benthicola (Marshall, 1979)
 Leptothyra candida Pease, 1861
 Leptothyra filifer (Deshayes, 1863)
 厚鳞窗螺 Leptothyra grossa 
 Leptothyra inepta (Gould, A.A., 1861) 
 Leptothyra kermadecensis (Marshall, 1979)
 Leptothyra morini Viader, R., 1951
 拟小鳞窗螺 Leptothyra nanina 
 Leptothyra rubens Melvill & Standen, 1903
 灯笼山椒蝾螺 Leptothyra rubricincta 
 威鲁鳞窗螺 Leptothyra verruca  
異名：
 Leptothyra africana Bartsch, 1915: synonym of Cinysca spuria (Gould, 1861)
 Leptothyra agulhasensis Thiele, 1925: synonym of Homalopoma agulhasense (Thiele, 1925)
 Leptothyra albida Dall, 1881: synonym of Homalopoma albidum (Dall, 1881)
 Leptothyra albocincta Turton, 1932: synonym of Tricolia striolata (Turton, 1932)
 Leptothyra alfredensis  Bartsch, 1915: synonym of Parviturbo alfredensis (Bartsch, 1915)
 Leptothyra arenacea Pritchard & Gatliff, 1902: synonym of Charisma arenacea (Pritchard & Gatliff, 1902) 
 Leptothyra carminea Bartsch, 1915: synonym of Homalopoma quantillum carmineum (Bartsch, 1915)
 Leptothyra coelata A. Adams, 1854: synonym of Anadema macandrewii Mörch, 1868
 Leptothyra costata Pease, 1869: synonym of Leptothyra verruca (Gould, 1845)
 Leptothyra crassilirata Preston, 1909: synonym of Collonista crassilirata (Preston, 1909)
 Leptothyra cunninghami E. A. Smith, 1881: synonym of Homalopoma cunninghami (E. A. Smith, 1881)
 Leptothyra delecta E. A. Smith, 1899: synonym of Collonista delecta (E. A. Smith, 1899)
 Leptothyra eroopolitana (Issel, 1869) : synonym of Turbo eroopolitanus Issel, 1869
 Leptothyra eucosmia Turton, 1932: synonym of Cinysca spuria (Gould, 1861)
 Leptothyra fluctuata (Hutton, 1883): synonym of Argalista fluctuata (Hutton, 1883)
 Leptothyra gestroi Caramagna, 1888: synonym of Yaronia gestroi (Caramagna, 1888)
 Leptothyra globuloides Dautzenberg & H. Fischer, 1896: synonym of Cantrainea globuloides (Dautzenberg & H. Fischer, 1896)
 Leptothyra induta Watson, 1879: synonym of Homalopoma indutum (Watson, 1879)
 Leptothyra induta var. tincta Dall, 1889: synonym of  Homalopoma indutum (Watson, 1879)
 Leptothyra induta var. insculpta Dall, 1889: synonym of  Homalopoma indutum (Watson, 1879)
 Leptothyra innocens Thiele, 1912: synonym of Leptocollonia innocens (Thiele, 1912)  
 Leptothyra insculpta Dall, 1889: synonym of Homalopoma indutum (Watson, 1879)
 Leptothyra laeta (Montrouzier in Souverbie & Montrouzier, 1863): synonym of Collonia granulosa Pease, 1868
 Leptothyra limata Dall, 1889: synonym of Homalopoma linnei (Dall, 1889)
 Leptothyra linnei Dall, 1889: synonym of Homalopoma linnei (Dall, 1889)
 Leptothyra paucicostata Dall, 1871: synonym of Homalopoma paucicostatum (Dall, 1871)
 Leptothyra philipiana Dall, 1889: synonym of Cantrainea philipiana (Dall, 1889) 
 Leptothyra picta Marshall, 1979: synonym of Leptothyra kermadecensis Marshall, 1979
 Leptothyra quantilla (Gould, 1861): synonym of Homalopoma quantillum (Gould, 1861)
 Leptothyra rotundata (G.B. Sowerby III, 1892): synonym of Homalopoma rotundatum (G.B. Sowerby III, 1892)
 Leptothyra sakaensis Yokoyama, 1925: synonym of Littorina brevicula (Philippi, 1844)
 Leptothyra sanguinea Linnaeus, 1758: synonym of Homalopoma sanguineum (Linnaeus, 1758)
 Leptothyra solida Preston, 1908: synonym of Collonista solida (Preston, 1908)
 Leptothyra tincta Dall, 1889: synonym of Homalopoma indutum (Watson, 1879)

延伸閱讀
 Marshall B. A. (1979). The Trochidae and Turbinidae of the Kermadec Ridge (Mollusca: Gastropoda). New Zealand Journal of Zoology 6: 521-552

參考文獻

外部連結

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