天螺属

天螺属（学名：Diala）是一个海螺的属，属于天螺科的海洋腹足纲软体动物^[2]。

天螺属
Diala suturalis
科学分类
界：	动物界 Animalia
门：	软体动物门 Mollusca
纲：	腹足纲 Gastropoda
目：	吸螺目 Sorbeoconcha
科：	天螺科 Dialidae
属：	天螺属 Diala Adams, 1861[1]
模式种
Diala varia Adams A., 1861
异名[2]
Alaba (Diala) A. Adams, 1861 Laevitesta Laseron, 1950

物种

下列部分本属物种：

• 麻天螺 Diala albugo (Watson, 1886)^[3][4][5]
• Diala almo Bartsch, 1915
• 缀天螺 Diala bella A. Adams, 1868^[6][7][8]
• Diala exilis (Tryon, 1866)
• Diala lirulata Thiele, 1930^[9]
• Diala megapicalis Ponder & de Keyzer, 1992^[10]
• 台湾天螺 Diala nyussana (Smith, 1877)^[5]
• 光天螺 Diala planalba Laseron, 1956^[11][12][5]。
• 绿岛天螺 Diala polymorpha (Smith, 1877)^[5]
• 精天螺 Diala semistriata (Philippi, 1849)^[13] - type species as Diala varia Adams A., 1861^[14]
• Diala stephensae (Baker, Hanna & Strong, 1930)
• Diala sulcifera (A. Adams, 1862)^[15] - synonym: Diala flammea (Pease, 1868)
• Diala suturalis (A. Adams, 1863)^[16] - synonym: Diala lauta (Adams)^[17]

异名

• Diala acuta Carpenter, 1864: synonym of Pseudodiala acuta (Carpenter, 1864)
• Diala africana Bartsch, 1915: synonym of Diala almo Bartsch, 1915
• Diala basispiralis (Chapman-Smith & Grant-Mackie, 1971): synonym of Diala semistriata (Philippi, 1849)
• Diala cacuminata Laseron, 1956: synonym of Diala semistriata (Philippi, 1849)
• Diala capensis G. B. Sowerby III, 1889: synonym of Alaba pinnae (Krauss, 1848)
• Diala conica Turton, 1932: synonym of Diala semistriata (Philippi, 1849)
• Diala cornea A. Adams, 1861: synonym of Alaba cornea (A. Adams, 1861)
• Diala diffilata Laseron, 1956: synonym of Alaba diffilata (Laseron, 1956)
• Diala electrina Carpenter, 1864: synonym of Lirobarleeia Ponder, 1983
• Diala flammea (Pease, 1868: synonym of Diala sulcifera (A. Adams, 1862)
• Diala fragilis Thiele, 1930: synonym of Alaba fragilis (Thiele, 1930)
• Diala fuscopicta E. A. Smith, 1890: synonym of Barleeia fuscopicta (E. A. Smith, 1890)
• Diala hartmeyeri Thiele, 1930: synonym of Alaba hartmeyeri (Thiele, 1930)
• Diala infrasulcata G.B. Sowerby III, 1892 : synonym of Diala semistriata (Philippi, 1849)
• Diala lauta (Adams, 1862): synonym of Diala suturalis (A. Adams, 1863)
• Diala leithii (E. A. Smith, 1876): synonym of Mainwaringia leithii (E. A. Smith, 1876)
• Diala lirata Laseron, 1950: synonym of Diffalaba opiniosa Iredale, 1936
• Diala ludens Melvill & Standen, 1895: synonym of Diala albugo (Watson, 1886)
• Diala macula Nevill, 1885: synonym of Diala varia A. Adams, 1861: synonym of Diala semistriata (Philippi, 1849)
• Diala marmorea Carpenter, 1864: synonym of Pseudodiala acuta (Carpenter, 1864)
• Diala pinnae (Krauss, 1848): synonym of Alaba pinnae (Krauss, 1848)
• Diala planalba Laseron, 1956: synonym of Diala semistriata (Philippi, 1849)
• Diala polita Preston, 1905: synonym of Diala semistriata (Philippi, 1849)
• Diala simplex E. A. Smith, 1875: synonym of Barleeia simplex (E. A. Smith, 1875)
• 精天螺 Diala stricta Habe, 1960^[5]：即Diala semistriata (Philippi, 1849)
• Diala tesselata Tenison-Woods, 1876: synonym of Alaba monile A. Adams, 1862
• Diala translucida Hedley, 1905: synonym of Styliferina translucida (Hedley, 1905)
• Diala trilirata Melvill, 1906: synonym of Diala semistriata (Philippi, 1849)
• 天螺 Diala varia Adams A., 1861^[5]：即Diala semistriata (Philippi, 1849)
• Diala vestigia Laseron, 1956: synonym of Diala semistriata (Philippi, 1849)
• Diala vitrea G. B. Sowerby III, 1915: synonym of Diffalaba vitrea (G. B. Sowerby III, 1915)
• Diala watsoni Laseron, 1956: synonym of Diala semistriata (Philippi, 1849)

型态描述

如同其他同属天螺科的物种，本属物种的螺壳亦属小型，呈高圆锥形。壳口单纯，外唇不肥厚，也不形成水管沟。胚螺通常平滑。口盖为少旋木叶型。足的后部有盖叶形的膜状延伸。^[18]

分布

主要分布于台湾^[6]，常见于水深5-45米的细沙底质^[6]。 本物种见于台湾绿岛^[11]。