【芝麻螺属】
芝麻螺属（学名：Planaxis）为芝麻螺科的一个属。
==下级分类==
本属包括以下物种：
* Planaxis akuana Rehder, 1980
* Planaxis nancyae Petuch, 2013
* Planaxis obsoletus Menke, 1851
* Planaxis planicostatus G.B. Sowerby, 1825
* Planaxis savignyi Deshayes, 1844
* Planaxis sulcatus (Born, 1791)
* Planaxis suturalis E.A. Smith, 1872
成为异名的物种：
* Planaxis (Supplanaxis) Thiele, 1929 ≡ Supplanaxis Thiele, 1929
* Planaxis abbreviata Pease, 1865 ≡ Planaxis niger Quoy & Gaimard, 1833
* Planaxis acuta Krauss, 1848 ≡ Supplanaxis acutus (Krauss, 1848)
* Planaxis acutus Krauss, 1848 ≡ Supplanaxis acutus (Krauss, 1848)
* Planaxis affinis Risso, 1826 ≡ Nassarius incrassatus (Strøm, 1768)
* Planaxis atra Pease, 1869 ≡ Planaxis niger Quoy & Gaimard, 1833
* Planaxis beudantiana Risso, 1826 ≡ Nassarius cuvierii (Payraudeau, 1826)
* Planaxis brevis Quoy & Gaimard, 1833 ≡ Planaxis sulcatus (Born, 1778)
* Planaxis buccinoides Deshayes, 1828 ≡ Planaxis sulcatus (Born, 1778)
* Planaxis cingulata Gould, 1861 ≡ Cronia avenacea|Cronia (Usilla) avenacea (Lesson, 1842)
* Planaxis decollata Quoy & Gaimard, 1833 ≡ Fissilabia decollata (Quoy & Gaimard, 1833)
* Planaxis desmarestiana Risso, 1826 ≡ Nassarius incrassatus (Strøm, 1768)
* Planaxis discrepans Risso, 1826 ≡ Nassarius corniculum (Olivi, 1792)
* Planaxis fasciata Pease, 1868 ≡ Angiola punctostriata (E. A. Smith, 1872)
* Planaxis fasciatus Pease, 1868 ≡ Angiola fasciata (Pease, 1868)
* Planaxis fitcheliana Risso, 1826 ≡ Nassarius cuvierii (Payraudeau, 1826)
* Planaxis gouldii Smith, 1872 ≡ Cronia avenacea|Cronia (Usilla) avenacea (Lesson, 1842)
* Planaxis griseus Brocchi, 1821 ≡ Planaxis savignyi Deshayes, 1844
* Planaxis laevigata Risso, 1826 ≡ Nassarius granum (Lamarck, 1822)
* Planaxis lineatus (da Costa, 1778) ≡ Angiola fasciata  (da Costa, 1778)
* Planaxis lineolata Risso, 1826 ≡ Nassarius cuvierii (Payraudeau, 1826)
* Planaxis lineolata Gould, 1849 ≡ Angiola punctostriata (E. A. Smith, 1872)
* Planaxis lineolatus Gould, 1849: synonym of  Angiola punctostriata (E. A. Smith, 1872)
* Planaxis longispira E.A. Smith, 1872 ≡ Angiola longispira (E.A. Smith, 1872)
* Planaxis loques Risso, 1826 ≡ Nassarius cuvierii (Payraudeau, 1826)
* Planaxis mamillata Risso, 1826 ≡ Nassarius nitidus (Jeffreys, 1867)
* Planaxis menkeanus Dunker, 1862 ≡ Planaxis sulcatus (Born, 1778)
* Planaxis molliana Risso, 1826 ≡ Nassarius cuvierii (Payraudeau, 1826)
* Planaxis mollis G. B. Sowerby I, 1823 ≡ Hinea brasiliana (Lamarck, 1822)
* Planaxis nicobaricus Frauenfeld, 1866 ≡ Planaxis niger Quoy & Gaimard, 1833
* Planaxis niger Quoy & Gaimard, 1833: ≡ Supplanaxis niger (Quoy & Gaimard, 1833)
* Planaxis nigra sic  ≡ Planaxis niger Quoy & Gaimard, 1833
* Planaxis nigritella Forbes, 1852 ≡ Planaxis obsoletus Menke, 1851
* Planaxis nucleus (Bruguière, 1789) ≡ Supplanaxis nucleus (Bruguière, 1789)
* Planaxis obscura A. Adams, 1853 ≡ Planaxis sulcatus (Born, 1778)
* Planaxis olivacea Risso, 1826 ≡ Nassarius corniculum (Olivi, 1792)
* Planaxis piliger Philippi, 1849 ≡ Holcostoma piliger (Philippi, 1849)
* Planaxis punctorostratus ≡ Angiola punctostriata (E. A. Smith, 1872)
* Planaxis punctostriata Smith, 1872 ≡ Angiola punctostriata (Smith E.A., 1872)
* Planaxis raricosta Risso, 1826 ≡ Nassarius corniculum (Olivi, 1792)
* Planaxis riparia Risso, 1826 ≡ Nassarius cuvierii (Payraudeau, 1826)
* Planaxis rosacea Risso, 1826 ≡ Nassarius incrassatus (Strøm, 1768)
* Planaxis similis E. A. Smith, 1872 ≡ Planaxis niger Quoy & Gaimard, 1833
* Planaxis tenuis Risso, 1826 ≡ Nassarius cuvierii (Payraudeau, 1826)
* Planaxis trifasciata Risso, 1826 ≡ Nassarius corniculum (Olivi, 1792)
* Planaxis turulosa Risso, 1826 ≡ Nassarius turulosus (Risso, 1826)
* Planaxis undulata Lamarck, 1822 ≡ Planaxis sulcatus (Born, 1778)
==参考文献==