平厴螺屬
物種

根據WoRMS，截至2011年10月10日 (2011-10-10)本屬包括下列各物種：
Homalopoma africanum (Bartsch, 1915)
Homalopoma agulhasense (Thiele, 1925)
Homalopoma albidum (Dall, 1881)
布纹平厣螺 Homalopoma amussitatum (Gould, 1861)
Homalopoma baculum (Carpenter, 1864)
Homalopoma berryi J. H. McLean, 1964
Homalopoma bicolor Okutani, 2001
Homalopoma boffii Marini, 1975
Homalopoma carmelae Oliverio & Buzzurro, 1994
Homalopoma clippertonense (Hertlein & Emerson, 1953)
Homalopoma concors Huang, Fu & Poppe, 2016
Homalopoma cordellensis J. H. McLean, 1996
Homalopoma cunninghami (E. A. Smith, 1881)
东海缩口螺 Homalopoma donghaiense (Dong, 1982)
Homalopoma draperi J. H. McLean, 1984
† Homalopoma emulum (G. Seguenza, 1876)
曙光蝾螺 Homalopoma eoa Azuma, 1972
Homalopoma granuliferum Nomura & Hatai, 1940
Homalopoma grippii (Dall, 1911)
Homalopoma himuquitanense Huang, Fu & Poppe, 2016
Homalopoma hui Huang, Fu & Poppe, 2016
Homalopoma imberculi Huang, Fu & Poppe, 2016
Homalopoma incarnatum (Pilsbry, 1903)
Homalopoma indutum (Watson, 1879)
Homalopoma keyurare Huang, Fu & Poppe, 2016
Homalopoma lacunatum (Carpenter, 1864)
光滑蝾螺 Homalopoma laevigatum (G. B. Sowerby III, 1914)
Homalopoma lini Huang, Fu & Poppe, 2016
Homalopoma linnei (Dall, 1889)
Homalopoma lunellum Huang, Fu & Poppe, 2016
Homalopoma luridum (Dall, 1885)
Homalopoma mactanense Huang, Fu & Poppe, 2016
Homalopoma maculatum Golikov & Gulbin, 1978
Homalopoma maculosa (Pease, 1868)
Homalopoma mikkelsenae Huang, Fu & Poppe, 2016
Homalopoma mimicum LaFollette, 1976
夜游平厣螺 Homalopoma nocturnum (Gould, 1861)
Homalopoma nubisrubri Huang, Fu & Poppe, 2016
Homalopoma parvum Huang, Fu & Poppe, 2016
Homalopoma paucicostatum (Dall, 1871)
Homalopoma profundum Huang, Fu & Poppe, 2016
Homalopoma quantillum Gould, 1861
Homalopoma radiatum (Dall, 1918)
Homalopoma rotundatum Sowerby, 1889
Homalopoma rubidum (Dall, 1908)
Homalopoma sangarense (Schrenck, 1862)
Homalopoma sanguineum (Linnaeus, 1758)
Homalopoma shisuiense (Makiyama, 1927)
Homalopoma subobsoletum Willett, 1937
Homalopoma tagaroae Huang, Fu & Poppe, 2016
Homalopoma tapparonei (Caramagna, 1888)
Homalopoma umbilicatum (Powell, 1926)
Homalopoma unicum Huang, Fu & Poppe, 2016
Homalopoma zephyrium Huang, Fu & Poppe, 2016
Homalopoma arsinoense (Issel, 1869): synonym of Collonista arsinoensis (Issel, 1869)
Homalopoma carpenteri Pilsbry, 1888: synonym of Homalopoma luridum (Dall, 1885)
Homalopoma engbergi (Willett, 1929): synonym of  Homalopoma lacunatum (Carpenter, 1864)
Homalopoma finkli Petuch, 1987 accepted as Cataegis finkli (Petuch, 1987)
Homalopoma juanensis (Dall, 1919) : synonym of Homalopoma luridum (Dall, 1885)
Homalopoma kussakini Egorov, 2000 : synonym of Lirularia iridescens (Schrenck, 1863)
Homalopoma panamense (Dall, 1908)現時改屬Cantrainea屬。
Homalopoma rotundata [sic]: synonym of Homalopoma rotundatum (Sowerby, 1889)
土佐山椒蝾螺 Homalopoma tosaensis (Habe, 1953)現時改屬Cantrainea屬。
其他物種還包括
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Homalopoma crassicostata (Murdoch, 1905)
Homalopoma fluctuata (Hutton, 1883)
Homalopoma imperforata (Suter, 1908)
Homalopoma micans (Powell, 1931)
Homalopoma nana (Finlay, 1930)
Homalopoma peloritanum (Cantraine, 1835)
Homalopoma philipiana (Dall, 1889)
Homalopoma rotella (Powell, 1937)
Homalopoma variecostata (Powell, 1937)