履螺屬（學名：）是海螺的一屬，屬於舟螺科的海洋腹足纲软体动物。

履螺屬可能是舟螺科下最為人所知的一屬。其下多個物種在發育、生態及行為方面都有不少研究。
它們一直是海洋無脊椎動物研究的主要焦點，並已用於證明性別轉變可經由環境介導的（性別變化的時間取決於與其他螺體的關聯）。
大西洋舟螺及拖鞋舟螺最常用於海洋棲息地的入侵物種的研究

物種

履螺屬的物種包括：

  G. B. Sowerby I, 1825
 Crepidula aeola Dall, 1927
 Crepidula aplysioides Reeve, 1859
 Crepidula arenata Broderip, 1834
 Crepidula argentina Simone, Pastorino & Penchaszadeh, 2000
  Collin, 2000
  Collin, 2005
  Cledon, Simone & Penchaszadeh, 2004
  Simone, 2006
 Crepidula cerithicola (C.B.Adams, 1852)
 Crepidula complanata Krauss, 1848
 胖肚子舟螺   - synonym: Crepidula glauca
 Crepidula coquimbensis Brown & Olivares, 1996
 Crepidula cymbaeformis Conrad, 1844
  Say, 1822
 Crepidula derjugini Golikov & Kussakin, 1962
 "Crepidula excavata" Broderip, 1834
 "Crepidula fimbriata" - Reeve, 1859
  (Linnaeus, 1758) - Common slipper shell, common Atlantic slippersnail, boat shell, quarterdeck shell.
 Crepidula glottidiarum Dall, 1905
 Crepidula incurva (Broderip, 1834)
  Simone, 2006
 Crepidula lessonii (Broderip, 1834)
  Conrad, 1846
  Simone, 2006
 Crepidula marginalis  Broderip, 1834
  Michaud, 1829
 Crepidula naticarum Williamson, 1905
 Crepidula navicella (Lesson, 1831)
 Crepidula navicula (Mörch, 1877)
 Crepidula nivea C.B. Adams, 1852
 Crepidula norrisiarum Williamson, 1905
 Crepidula nummaria Gould, 1846
 拖鞋舟螺 Crepidula onyx G. B. Sowerby I, 1824 - onyx slippersnail
 Crepidula perforans Valenciennes, 1846
 "Crepidula philippiana Gallardo, 1977
  Say, 1822
  (Linnaeus, 1758)
 Crepidula protea (d'Orbigny, 1841)
  Simone, 2006
 玫瑰履螺 Sandalia rhodia (A.Adams, 1854)
 Crepidula rostrata C. B. Adams, 1852
 Crepidula striolata Menke, 1851
  Lamarck, 1822
  Collin, 2002
 Crepidula williamsi Coe, 1947

以下物种被认为是其他物种的同种异名：

 Crepidula aculeata (Gmelin, 1791) ≡  (Gmelin, 1791)
 Crepidula aculeata (Gmelin, 1791) sensu Zenetos et al.2004 ≡  Collin, 2005
 Crepidula acuta H. C. Lea, 1842 ≡ Crepidula convexa Say, 1822
 Crepidula adspersa Dunker, 1846 ≡ Crepidula porcellana Lamarck, 1801
 Crepidula bilobata Reeve, 1859 ≡ Crepidula lingulata Gould, 1846 ≡  (Gould, 1846)
 Crepidula calceolina Deshayes, 1830 ≡ Crepidula unguiformis Lamarck, 1822
 Crepidula californica Tryon, 1886 ≡ Crepidula aculeata (Gmelin, 1791) ≡  (Gmelin, 1791)
 Crepidula calyptraeiformis Deshayes, 1830 ≡ Bostrycapulus calyptraeiformis (Deshayes, 1830)
 Crepidula candida Risso, 1826 ≡ Crepidula unguiformis Lamarck, 1822
 Crepidula capensis Quoy & Gaimard, 1835 ≡ Crepipatella capensis (Quoy & Gaimard, 1835)
 Crepidula cataldi Parenzan, 1970 ≡ Crepidula unguiformis Lamarck, 1822
 Crepidula coei Berry, 1950 ≡ Crepidula naticarum Williamson, 1905
 Crepidula contorta Quoy & Gaimard, 1832 ≡  (Lesson, 1830)
 Crepidula costata G. B. Sowerby I, 1824 ≡  (G. B. Sowerby I, 1824)
 Crepidula costata Deshayes, 1830 ≡  (G. B. Sowerby I, 1824)
 Crepidula costulata Dunker, 1852 ≡ Crepidula incurva (Broderip, 1834)
 Crepidula crepidula (Linnaeus, 1767) ≡ Crepidula unguiformis Lamarck, 1822
 Crepidula depressa Deshayes, 1830 ≡ Crepidula dilatata Lamarck, 1822 ≡  (Lamarck, 1822)
 Crepidula deshayesii de Folin, 1867 ≡ Crepidula unguiformis Lamarck, 1822
 Crepidula desmoulinsi Locard, 1886 ≡ Crepidula moulinsii Michaud, 1829
 Crepidula dilatata Lamarck, 1822 ≡  (Lamarck, 1822)
 Crepidula dorsata (Broderip, 1834) ≡ Crepipatella dorsata (Broderip, 1834)
 Crepidula excisa Philippi, 1849 ≡ Ergaea walshi (Reeve, 1859)
 Crepidula explanata Gould, 1853 ≡ Crepidula perforans (Valenciennes, 1846)
 Crepidula exuviata Reeve, 1859 ≡ Crepidula perforans (Valenciennes, 1846)
 Crepidula fasciata de Roissy, 1805 ≡ Crepidula unguiformis Lamarck, 1822
 Crepidula fecunda Gallardo, 1979 ≡ Crepipatella peruviana (Lamarck, 1822)
 Crepidula fissurata G. B. Sowerby II, 1883 ≡  (Gould, 1846)
 Crepidula foliacea Broderip, 1834 ≡ Crepidula aculeata (Gmelin, 1791) ≡  (Gmelin, 1791)
 Crepidula gibbosa Defrance, 1818: synonym of  Michaud, 1829
 Crepidula glauca Say, 1822 ≡ Crepidula convexa Say, 1822
 Crepidula grandis Middendorff, 1849 ≡  (Middendorff, 1849)
 Crepidula gravispinosa Kuroda & Habe, 1950 ≡ Crepidula aculeata (Gmelin, 1791) ≡  (Gmelin, 1791)
 Crepidula hochstetteriana Wilkens, 1922  ≡ † Maoricrypta radiata (Hutton, 1873) 
 Crepidula immersa Angas, 1865 ≡ Maoricrypta immersa (Angas, 1865)
 Crepidula incurva Zittel, 1864 ≡ † Crepidula wilckensi Finlay, 1924  ≡ Maoricrypta radiata (Hutton, 1873) †
 Crepidula italica Defrance, 1818 ≡ Crepidula unguiformis Lamarck, 1822
 Crepidula lamina H. C. Lea, 1843 ≡ Crepidula plana Say, 1822
 Crepidula lingulata Gould, 1846 ≡  (Gould, 1846)
 Crepidula lirata Reeve, 1859 ≡ Crepidula incurva (Broderip, 1834)
 Crepidula maculata Quoy & Gaimard, 1832:  synonym for .  
 Crepidula minuta Middendorff, 1849 ≡ Crepidula nummaria Gould, 1846
 Crepidula monoxyla (Lesson, 1831) ≡  (Lesson, 1830)
 Crepidula nautiloides Lesson, 1832 ≡  (Lamarck, 1822)
 Crepidula navicelloides Carpenter, 1864 ≡ Crepidula nummaria Gould, 1846
 Crepidula nebulata Mabille, 1895 ≡ Crepidula nivea C. B. Adams, 1852
 Crepidula orbella Yokoyama, 1920 ≡ Ergaea walshi (Reeve, 1859)
 Crepidula orbiculata Dall, 1919 ≡ Crepipatella orbiculata (Dall, 1919)
 Crepidula osculans C. B. Adams, 1852 ≡ Phenacolepas osculans (C. B. Adams, 1852)
 Crepidula pallida (Broderip, 1834) ≡ Calyptraea pallida Broderip, 1834
 Crepidula patagonica d'Orbigny, 1841 ≡ Crepipatella patagonica (d'Orbigny, 1841)
 Crepidula patula Deshayes, 1830 ≡ Crepipatella peruviana (Lamarck, 1822)
 Crepidula peruviana Lamarck, 1822 ≡ Crepipatella peruviana (Lamarck, 1822)
 Crepidula plana (A. Adams & Reeve, 1850) ≡ Ergaea walshi (Reeve, 1859)
 Crepidula pulchella Aradas, 1846 ≡ Crepidula unguiformis Lamarck, 1822
 Crepidula rhyssema Olsson & Harbison, 1953 ≡ Crepidula plana Say, 1822
 Crepidula riisei Dunker, 1852 ≡ Crepidula fornicata (Linnaeus, 1758)
 Crepidula rostriformis Gould, 1846 ≡ Crepidula adunca G. B. Sowerby I, 1825
 Crepidula rugosa Carpenter, 1856 ≡ Crepidula onyx G. B. Sowerby I, 1824
 Crepidula rugulosa Dunker, 1846 ≡ Crepipatella capensis (Quoy & Gaimard, 1835)
 Crepidula sandaliformis de Serres, 1830 ≡ Crepidula unguiformis Lamarck, 1822
 Crepidula sandalina Deshayes, 1833 ≡ Crepidula unguiformis Lamarck, 1822
 Crepidula scabies Reeve, 1859 ≡ Ergaea walshi (Reeve, 1859)
 Crepidula sinuosa Turton, 1825 ≡ Crepidula unguiformis Lamarck, 1822
 Crepidula solida Hinds, 1844 ≡ Crepidula adunca G. B. Sowerby I, 1825
 Crepidula squama (Broderip, 1834) ≡ Crepidula striolata Menke, 1851
 Crepidula strigellata Dunker, 1853 ≡ Crepidula striolata Menke, 1851
 Crepidula sulin Dautzenberg, 1912 ≡ Crepidula porcellana Lamarck, 1801
 Crepidula tomentosa Quoy & Gaimard, 1832 ≡ Crepidula aculeata (Gmelin, 1791) ≡  (Gmelin, 1791)
 Crepidula uncata Menke, 1847 ≡ Crepidula adunca G. B. Sowerby I, 1825
 Crepidula uncinata Philippi, 1887 ≡ Crepidula dilatata Lamarck, 1822 ≡  (Lamarck, 1822)
 Crepidula virginica Conrad, 1871 ≡ Crepidula fornicata (Linnaeus, 1758)
 Crepidula walshi Reeve, 1859 ≡ Ergaea walshi (Reeve, 1859)
 † Crepidula wilckensi Finlay, 1924 ≡  † Maoricrypta radiata (Hutton, 1873)
 Crepidula youngi (Powell, 1940) ≡  Powell, 1940

Species that were previously placed in the genus Crepidula but have subsequently been removed from the genus on the basis of work by Bruce Marshall of the Te Papa Museum and Rachel Collin of the Smithsonian Institution include the following:

Now Maoricrypta:
 Crepidula costata is a synonym for  - ribbed slipper shell
 Crepidula youngi (Powell, 1940)
 Crepidula wilckensi Finlay, 1924
 Crepidula immersa G. F. Angas, 1867

Now Grandicrepidula:
 Crepidula grandis Middendorff, 1849: synonym of  (Middendorff, 1849)Grandicrepidula collinae  Marshall

Now 'Siphopatella:'  L. A. Reeve, 1859

异名： Crepidula maculata Quoy & Gaimard, 1832 ≡ Crepidula aculeata (Gmelin, 1791)

參考文獻

 Collin, R. 2003. The Utility of Morphological Characters in Gastropod Phylogenetics: An Example From the Calyptraeidae. Biological Journal of the Linnean Society, 4: 541–593
 Collin, R. 2003. Phylogenetic Relationships Among Calyptraeid Gastropods and Their Implications for the Biogeography of Marine Speciation. Systematic Biology, 5: 618-640.
 Collin, R. 2002. Another Last Word on Crepidula Convexa With a Description of C. Ustulatulina N. Sp. (Gastropoda: Calyptraeidae) From the Gulf of Mexico and Southern Florida. Bulletin of Marine Science, 1: 177-184.
 Collin, Rachel. 2005. Crepidula Badisparsa Sp. Nov. (Gastropoda: Calyptraeidae) From Bocas Del Toro Province, Panamá. Caribbean Journal of Science, 2: 269-276.
Collin, R. 2000. Phylogeny of the Crepidula plana (Gastropoda: Calyptraeidae) cryptic species complex in North America. Canadian Journal of Zoology. 78: 1500-1514. 
 Hoagland, K.E. 1977. Systematic review of fossil and recent Crepidula and discussion of the evolution of the Calyptraeidae. Malacologia 16(2): 353-420
 Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA). . 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

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