乳玉螺屬:148（學名:_Polinices_），又名無臍玉螺屬，是玉黍螺類支序海螺的一個屬。舊屬玉螺亞科，現時獨立出來成為無臍玉螺亞科。



物種

本屬連同異名有超過 150 個物種。截至 2018 年 4 月 27 日 (2018-04-27)，WoRMS 紀錄本屬的物種包括下列 56 個物種：


* 扁球玉螺 _Polinices albumen_ (Linnaeus, 1758):149－又名蛋白乳玉螺。產於台灣海峽，淺海底。

* Species Polinices alveatus (Troschel, 1852)

* Species Polinices amiculatus (Philippi, 1849)

* 桔色乳玉螺 _Polinices aurantius_ (Röding, 1798)：又名黃金玉螺。

* 雙線玉螺 _Polinices bifasciatus_ Gray in Griffith & Pidgeon, 1833)

* 大白乳玉螺 _Polinices candidissimus_ (Le Guillou, 1842):157

* Polinices chattonensis (Marwick, 1924) †

* Polinices citrinus (Philippi, 1851)

* Polinices cleistopsila Barnard, 1963

* Polinices constanti Huelsken & Hollmann, 2012

* Polinices cora (d'Orbigny, 1840)

* Polinices cumingianus (Récluz, 1844)

* 迸體乳玉螺 _Polinices effusus_ (Swainson, 1840):153

* Species Polinices fallai (Fletcher, 1938) †

* 臍孔白玉螺 _Polinices flemingianus_ (Récluz, 1844)：又名臍穴乳玉螺:159、臍孔玉螺。

* 棕色玉螺 _Polinices fortunei_ Reeve, 1865－產於台灣北部海域，淺海泥底。

* Polinices grunerianus (Philippi, 1852)

* Polinices hacketti Marincovich, 1975

* 棕色玉螺 _Polinices hepaticus_ (Röding, 1798)

* Polinices huttoni Ihering, 1907 †

* Polinices immaculatus (Totten, 1835)

* Polinices intemeratus (Philippi, 1853)

* Polinices intracrassus Finlay, 1924 †

* Polinices jukesii (Reeve, 1855)

* Polinices lacteus (Guilding, 1834)

* Polinices laxus (Finlay, 1926) †

* Polinices leptaleus (R. B. Watson, 1881)

* Polinices limi Pilsbry, 1931

* Polinices lobatus (Marwick, 1924) †

* Polinices mackayi Marwick, 1931 †

* 褐帶玉螺 _Polinices mammatus_ (Roeding, 1798)－產於台灣海峽及台灣北部海域，淺海沙底。

* 梨形乳玉螺 _Polinices mammilla_ (Linnaeus, 1758):157

* 白玉螺 _Polinices mammilla_ (Linnaeus, 1758)：於台灣海峽及台灣北部海域，淺海沙底。

* Species Polinices mediopacificus Kosuge, 1979

* 黑唇玉螺 _Polinices melanostomus_ (Gmelin, 1791)－又名黑口乳玉螺。產於台灣北部及西南部，淺海沙底。

* Polinices mellosus (Hedley, 1924)

* Polinices mucronatus (Marwick, 1924) †

* Polinices oneroaensis Powell & Bartrum, 1929 †

* Polinices otaioensis Marwick, 1960 †

* Polinices otis (Broderip & G. B. Sowerby I, 1829)

* 包氏玉螺 _Polinices powisiana_ (Recluz, 1844)－產於台灣海峽及台灣北部海域，淺海沙底。

* Polinices paciae Bozzetti, 1997

* Polinices panamaensis (Récluz, 1844)

* Polinices parki Finlay & Marwick, 1937 †

* Polinices parvulus Bozzetti, 2010

* Polinices perspicuus (Récluz, 1850)

* 包氏乳玉螺 _Polinices peselephanti_ (Link, 1807):154

* Polinices powisianus (Récluz, 1844)

* Polinices propeovatus (Marwick, 1924) †

* Polinices psilus (R. B. Watson, 1886)

* Polinices putealis Garrard, 1961

* 胖玉螺 Polinices reiniana Dunker, 1877－產於台灣北部海域，淺海底。

* 白鼠玉螺 Polinices sebae (Recluz, 1844)－又名桑巴乳玉螺。產地未記錄（？）。

* 相模乳玉螺 _Polinices sagamiensis_ Pilsbry, 1904:153：又名相模灣玉螺

* Polinices sagenus Suter, 1917 †

* 花帶玉螺 Polinices simiae (Deshayes, 1838)：產於台灣海峽，淺海沙底。

* Polinices tawhitirahia Powell, 1965

* Polinices uber (Valenciennes, 1832)

* Polinices uberinus (d'Orbigny, 1842)

* Polinices unisulcatus (Marwick, 1924) †

* Polinices vavaosi (Reeve, 1855)

* 絹帶乳玉螺 _Polinices vestitus_ Kuroda, 1961:151

* Polinices waipaensis (Marwick, 1924) †

* Polinices waipipiensis (Marwick, 1924) †

以下物種已不再屬於本屬：


* 大玉螺 _Polinices didyma_ (Röding)

* 花帶玉螺 _Polinices simiae_ (Deshayes)

* 白乳玉螺 _Polinices tumidius_



參考文獻


* _Polinices_. _ITIS_.

* Powell A. W. B. (1979), _New Zealand Mollusca_, William Collins Publishers Ltd, 紐西蘭奧克蘭 ISBN 0-00-216906-1