1. Subgenus Scalaria (Acirsa) Mörch, 1857 accepted as Acirsa Mörch, 1857
   1. Species Scalaria (Acirsa) pyrrhias R. B. Watson, 1886 accepted as Eccliseogyra pyrrhias (R. B. Watson, 1886) (unaccepted > superseded combination)
2. Subgenus Scalaria (Acrilla) H. Adams, 1860 accepted as Acrilla H. Adams, 1860 (unaccepted > superseded rank)
   1. Species Scalaria (Acrilla) leptalea Tate, 1893 † (accepted > unreplaced junior homonym, Invalid: not K. Bush, 1885 (homonym))
   2. Species Scalaria (Acrilla) crebrilamellata Tate, 1890 † accepted as Acrilla crebrilamellata (Tate, 1890) †
   3. Species Scalaria (Acrilla) cylindracea Tate, 1890 † accepted as Mammiscala cylindracea (Tate, 1890) † accepted as Acrilla cylindracea (Tate, 1890) †
   4. Species Scalaria (Acrilla) escharoides Tate, 1890 † accepted as Mammiscala escharoides (Tate, 1890) † accepted as Acrilla escharoides (Tate, 1890) †
   5. Species Scalaria (Acrilla) glyphospira Tate, 1890 † accepted as Mammiscala glyphospira (Tate, 1890) † accepted as Acrilla glyphospira (Tate, 1890) †
   6. Species Scalaria (Acrilla) gonioides Tate, 1890 † accepted as Mammiscala gonioides (Tate, 1890) † accepted as Acrilla gonioides (Tate, 1890) † (unaccepted > superseded combination)
   7. Species Scalaria (Acrilla) inornata Tate, 1890 † accepted as Mammiscala inornata (Tate, 1890) † accepted as Amaea inornata (Tate, 1890) †
   8. Species Scalaria (Acrilla) kimakowiczi O. Boettger, 1897 † accepted as Anguloacrilla kimakowiczi (O. Boettger, 1896) † (unaccepted > superseded combination)
   9. Species Scalaria (Acrilla) minutula Tate & May, 1900 accepted as Coenaculum minutulum (Tate & May, 1900) (basionym)
   10. Species Scalaria (Acrilla) mutica Tate, 1890 † accepted as Mammiscala mutica (Tate, 1890) † accepted as Acrilla mutica (Tate, 1890) †
   11. Species Scalaria (Acrilla) pachypleura Tate, 1890 † accepted as Mammiscala ralphi (de Boury, 1909) † accepted as Cirsotrema ralphi (de Boury, 1909) † accepted as Acrilla ralphi (de Boury, 1909) † (unaccepted > junior objective synonym, invalid: not Conrad, 1841. Mammiscala ralphi de Boury, 1907 is replacement name)
   12. Species Scalaria (Acrilla) perangusta de Boury, 1913 accepted as Acrilla perangusta (de Boury, 1913) †
   13. Species Scalaria (Acrilla) boriesi Doncieux, 1908 † (uncertain > unassessed)
   14. Species Scalaria (Acrilla) densicostata Yokoyama, 1920 † (uncertain > unassessed)
3. Subgenus Scalaria (Acrilloscala) Sacco, 1890 accepted as Acrilloscala Sacco, 1890 (unaccepted > superseded rank)
4. Subgenus Scalaria (Adiscoacrilla) Sacco, 1890 † accepted as Acrilla H. Adams, 1860 (junior subjective synonym)
5. Subgenus Scalaria (Bria) De Gregorio, 1889 † accepted as Gregorioiscala Cossmann, 1912 (invalid: junior homonym of Bria Giebel, 1856 [Diptera]; Gregorioiscala is a replacement name)
   1. Species Scalaria (Bria) romettensis De Gregorio, 1889 † accepted as Gregorioiscala romettensis (De Gregorio, 1889) †
6. Subgenus Scalaria (Circuloscala) de Boury, 1886 † accepted as Circuloscala de Boury, 1886 †
   1. Species Scalaria (Circuloscala) foliosa Tate, 1890 † accepted as Circuloscala foliosa (Tate, 1890) †
   2. Species Scalaria (Circuloscala) orycta Tate, 1890 † accepted as Cirsotrema orycta (Tate, 1890) †
7. Subgenus Scalaria (Cirsotrema) Mörch, 1852 accepted as Cirsotrema Mörch, 1852 (unaccepted > superseded rank)
   1. Species Scalaria (Cirsotrema) bona Melvill, 1906 accepted as Cirsotrema bonum (Melvill, 1906) (basionym)
   2. Species Scalaria (Cirsotrema) crassicostata (Deshayes, 1850) † accepted as Cirsotrema crassicostatum (Deshayes, 1850) †
   3. Species Scalaria (Cirsotrema) hidryma Melvill, 1897 accepted as Opalia hidryma (Melvill, 1899) (unaccepted > superseded combination)
   4. Species Scalaria (Cirsotrema) leeana A. E. Verrill, 1882 accepted as Opalia leeana (A. E. Verrill, 1882) (unaccepted > superseded combination)
   5. Species Scalaria (Cirsotrema) pacifica Wilckens, 1922 † accepted as Acirsa pacifica (Wilckens, 1922) †
   6. Species Scalaria (Cirsotrema) pleiophylla Tate, 1890 † accepted as Cirsotrema pleiophyllum (Tate, 1890) †
   7. Species Scalaria (Cirsotrema) transenna Tate, 1890 † accepted as Cirsotrema transenna (Tate, 1890) †
   8. Species Scalaria (Cirsotrema) fontcouvertensis Doncieux, 1908 † (uncertain > unassessed)
   9. Species Scalaria (Cirsotrema) loerentheyi O. Boettger, 1902 † (uncertain > unassessed)
8. Subgenus Scalaria (Clathroscala) de Boury, 1890 accepted as Epitonium (Clathroscala) de Boury, 1890 accepted as Clathroscala de Boury, 1890
9. Subgenus Scalaria (Clathrus) Agassiz, 1837 accepted as Epitonium Röding, 1798
   1. Species Scalaria (Clathrus) communis Lamarck, 1822 accepted as Epitonium clathrus (Linnaeus, 1758)
   2. Species Scalaria (Clathrus) falunica de Boury, 1900 † accepted as Epitonium falunicum (de Boury, 1900) † (basionym)
   3. Species Scalaria (Clathrus) interstriata Tate, 1890 † accepted as Striatiscala interstriata (Tate, 1890) † accepted as Clathrus interstriatus (Tate, 1890) †
   4. Species Scalaria (Clathrus) chiliense W. M. Gabb, 1861 † (uncertain > unassessed)
10. Subgenus Scalaria (Constantia) A. Adams, 1860 accepted as Constantia A. Adams, 1860
    1. Species Scalaria (Constantia) standeni Melvill, 1899 accepted as Constantia standeni (Melvill, 1899)
11. Subgenus Scalaria (Costatoscala) Sacco, 1891 † accepted as Epitonium (Costatoscala) Sacco, 1891 † represented as Epitonium Röding, 1798
12. Subgenus Scalaria (Crisposcala) de Boury, 1886 accepted as Crisposcala de Boury, 1886 accepted as Epitonium Röding, 1798
    1. Species Scalaria (Crisposcala) echinophora Tate, 1890 † accepted as Epitonium echinophorum (Tate, 1890) † (unaccepted > superseded combination)
13. Subgenus Scalaria (Cyrsocrassiscala) Sacco, 1891 † accepted as Epitonium (Cyrsocrassiscala) Sacco, 1891 † represented as Epitonium Röding, 1798
14. Subgenus Scalaria (Discoscala) Sacco, 1890 accepted as Amaea H. Adams & A. Adams, 1853
15. Subgenus Scalaria (Eglisia) J. E. Gray, 1842 accepted as Eglisia J. E. Gray, 1842 (unaccepted > superseded rank)
    1. Species Scalaria (Eglisia) triplicata Tate, 1890 † accepted as Amaea triplicata (Tate, 1890) †
16. Subgenus Scalaria (Foratiscala) de Boury, 1887 † accepted as Foratiscala de Boury, 1887 † (unaccepted > superseded rank)
17. Subgenus Scalaria (Fuscoscala) Sacco, 1890 accepted as Epitonium Röding, 1798
18. Subgenus Scalaria (Hirtoscala) Monterosato, 1890 accepted as Epitonium Röding, 1798 (unaccepted > junior subjective synonym)
    1. Species Scalaria (Hirtoscala) kostejana O. Boettger, 1902 † (uncertain > unassessed)
19. Subgenus Scalaria (Lepidiscala) de Boury, 1917 accepted as Epitonium Röding, 1798
20. Subgenus Scalaria (Linctoscala) Monterosato, 1890 accepted as Epitonium Röding, 1798
21. Subgenus Scalaria (Lineoscala) de Boury, 1909 accepted as Epitonium Röding, 1798
22. Subgenus Scalaria (Nodiscala) de Boury, 1890 accepted as Nodiscala de Boury, 1890 accepted as Opalia H. Adams & A. Adams, 1853
    1. Species Scalaria (Nodiscala) basinodosa Tate, 1890 † accepted as Epitonium basinodosum (Tate, 1890) † (unaccepted > superseded combination)
    2. Species Scalaria (Nodiscala) dunkeri de Boury, 1890 † accepted as Nodiscala dunkeri de Boury, 1890 † accepted as Opalia pumilio (Mörch, 1875)
    3. Species Scalaria (Nodiscala) hamiltonensis Tate, 1890 † accepted as Punctiscala hamiltonensis (Tate, 1890) †
    4. Species Scalaria (Nodiscala) prionota Tate, 1890 † accepted as Epitonium prionotum (Tate, 1890) † accepted as Punctiscala prionota (Tate, 1890) † (unaccepted > superseded combination)
23. Subgenus Scalaria (Opalia) H. Adams & A. Adams, 1853 accepted as Opalia H. Adams & A. Adams, 1853 (unaccepted > superseded rank)
    1. Species Scalaria (Opalia) andrewsii A. E. Verrill, 1882 accepted as Cylindriscala andrewsii (A. E. Verrill, 1882) (unaccepted > superseded combination)
24. Subgenus Scalaria (Parviscala) de Boury, 1887 accepted as Epitonium (Parviscala) de Boury, 1887 represented as Epitonium Röding, 1798
    1. Species Scalaria (Parviscala) bicknelli Hornung, 1920 † accepted as Epitonium bicknelli (Hornung, 1920) † (basionym)
    2. Species Scalaria (Parviscala) pliosubappenninum Sacco, 1891 † accepted as Epitonium pliosubappenninum (Sacco, 1891) †
    3. Species Scalaria (Parviscala) visianii Dainelli, 1905 † (uncertain > unassessed)
25. Subgenus Scalaria (Pseudosthenorytis) Sacco, 1891 accepted as Sthenorytis Conrad, 1863 (junior subjective synonym)
    1. Species Scalaria (Pseudosthenorytis) sthenorytoides Sacco, 1891 † accepted as Sthenorytis sthenorytoides (Sacco, 1891) † (superseded combination)
26. Subgenus Scalaria (Psychrosoma) Tapparone Canefri, 1876 accepted as Opalia H. Adams & A. Adams, 1853
    1. Species Scalaria (Psychrosoma) crosseana Tapparone Canefri, 1876 accepted as Opalia infrequens (C. B. Adams, 1852) (unaccepted > junior subjective synonym)
    2. Species Scalaria (Psychrosoma) erronea Tapparone Canefri, 1876 accepted as Plastiscala morchi (Angas, 1871) (unaccepted > junior subjective synonym)
    3. Species Scalaria (Psychrosoma) gouldi Tapparone Canefri, 1876 accepted as Opalia wroblewskyi (Mörch, 1875) (unaccepted > junior homonym, junior homonym of Scalaria gouldi Deshayes, 1861)
27. Subgenus Scalaria (Pulchelliscala) de Boury, 1917 accepted as Epitonium Röding, 1798
28. Subgenus Scalaria (Punctiscala) de Boury, 1890 accepted as Punctiscala de Boury, 1890
    1. Species Scalaria (Punctiscala) bulbulifera Tate, 1890 † accepted as Punctiscala bulbulifera (Tate, 1890) †
    2. Species Scalaria (Punctiscala) eritima Tate, 1890 † accepted as Punctiscala eritima (Tate, 1890) † (unaccepted > superseded combination)
    3. Species Scalaria (Punctiscala) loxopleura Tate, 1890 † accepted as Punctiscala loxopleura (Tate, 1890) †
    4. Species Scalaria (Punctiscala) microrhysa Tate, 1890 † accepted as Punctiscala microrhysa (Tate, 1890) †
29. Subgenus Scalaria (Pyrgiscus) R. A. Philippi, 1841 accepted as Pyrgiscus R. A. Philippi, 1841
    1. Species Scalaria (Pyrgiscus) inermis Deshayes, 1861 † accepted as Acirsa canicularis (Lamarck, 1804) † (unaccepted > junior subjective synonym)
30. Subgenus Scalaria (Rugatiscala) de Boury, 1913 † accepted as Rugatiscala de Boury, 1913 † accepted as Opalia H. Adams & A. Adams, 1853
31. Subgenus Scalaria (Sphaeroscala) Monterosato, 1890 accepted as Epitonium Röding, 1798
32. Subgenus Scalaria (Spiniscala) de Boury, 1900 accepted as Spiniscala de Boury, 1900 accepted as Epitonium Röding, 1798 (unaccepted > superseded rank)
33. Subgenus Scalaria (Stenorhytis) [sic] accepted as Sthenorytis Conrad, 1863 (misspelling)
    1. Species Scalaria (Stenorhytis) boulei de Boury, 1912 † accepted as Sthenorytis boulei de Boury, 1912 † (superseded combination)
    2. Species Scalaria (Stenorhytis) cottreaui de Boury, 1912 † accepted as Sthenorytis cottreaui (de Boury, 1912) † (superseded combination)
    3. Species Scalaria (Stenorhytis) cubana de Boury, 1912 † accepted as Sthenorytis cubana Bartsch, 1940 accepted as Sthenorytis pernobilis (P. Fischer & Bernardi, 1857) (superseded combination)
    4. Species Scalaria (Stenorhytis) maxvelli de Boury, 1912 † accepted as Sthenorytis maxvelli (de Boury, 1912) † (superseded combination)
    5. Species Scalaria (Stenorhytis) melitensis Reed, 1939 † accepted as Sthenorytis garigor Cilia, 2024 † (unaccepted > junior homonym)
    6. Species Scalaria (Stenorhytis) tortonensis de Boury, 1912 † accepted as Sthenorytis tortonensis (de Boury, 1912) † (superseded combination)
34. Species Scalaria abbreviata G. B. Sowerby II, 1874 accepted as Cirsotrema varicosum (Lamarck, 1822) (use in recent liteature currently undocumented)
35. Species Scalaria abrupta De Cristofori & Jan, 1832 † accepted as Gregorioiscala abrupta (De Cristofori & Jan, 1832) † (unaccepted > superseded combination)
36. Species Scalaria abyssicola (Schepman, 1909) accepted as Epitonium abyssicola (Schepman, 1909)
37. Species Scalaria acanthodes Cossmann, 1888 † accepted as Gyroscala acanthodes (Cossmann, 1888) † (unaccepted > superseded combination)
38. Species Scalaria aciculina Hinds, 1844 accepted as Epitonium aciculinum (Hinds, 1844) (original combination)
39. Species Scalaria aculeata G. B. Sowerby II, 1844 accepted as Epitonium moolenbeeki van Aartsen, 1996 (Invalid: junior secondary homonym of Epitonium aculeatum Allan, 1818; Epitonium moolenbeeki is a replacement name)
40. Species Scalaria acuminata G. B. Sowerby II, 1844 accepted as Acrilla acuminata (G. B. Sowerby II, 1844) (original combination)
41. Species Scalaria acuminiensis de Boury, 1883 † accepted as Epitonium acuminiense (de Boury, 1883) † (unaccepted > superseded combination)
42. Species Scalaria acus R. B. Watson, 1883 accepted as Cylindriscala acus (R. B. Watson, 1883) (unaccepted > superseded combination)
43. Species Scalaria acuta J. Sowerby, 1812 † accepted as Clathrus acutus (J. Sowerby, 1812) †
44. Species Scalaria aemula Deshayes, 1861 † accepted as Opalia aemula (Deshayes, 1861) † (unaccepted > superseded combination)
45. Species Scalaria affinis Deshayes, 1861 † accepted as Acrilla affinis (Deshayes, 1861) † (unaccepted > superseded combination)
46. Species Scalaria aizyensis Deshayes, 1861 † accepted as Epitonium aizyense (Deshayes, 1861) † (unaccepted > superseded combination)
47. Species Scalaria alata G. B. Sowerby II, 1844 accepted as Epitonium alatum (G. B. Sowerby II, 1844)
48. Species Scalaria alba de Boury, 1911 accepted as Opalia alba (de Boury, 1911)
49. Species Scalaria albanyana W. H. Turton, 1932 accepted as Epitonium simplex (G. B. Sowerby III, 1894)
50. Species Scalaria albensis A. d'Orbigny, 1842 † accepted as Proscala albensis (A. d'Orbigny, 1842) † (unaccepted > superseded combination)
51. Species Scalaria albida A. d'Orbigny, 1842 accepted as Epitonium albidum (A. d'Orbigny, 1842)
52. Species Scalaria albocostata W. H. Turton, 1932 accepted as Gyroscala lamellosa (Lamarck, 1822) accepted as Gyroscala commutata (Monterosato, 1877) (junior subjective synonym)
53. Species Scalaria albolineata G. B. Sowerby II, 1844 accepted as Epitonium albolineatum (G. B. Sowerby II, 1844)
54. Species Scalaria algeriana Weinkauff, 1866 accepted as Epitonium algerianum (Weinkauff, 1866)
55. Species Scalaria andrewsii A. E. Verrill, 1882 accepted as Cylindriscala andrewsii (A. E. Verrill, 1882) (unaccepted > superseded combination)
56. Species Scalaria anguina (Jousseaume, 1912) accepted as Cycloscala crenulata (Pease, 1868) accepted as Cycloscala peaseana (Nyst, 1873)
57. Species Scalaria angulata Say, 1831 accepted as Epitonium angulatum (Say, 1831) (superseded combination)
58. Species Scalaria angusta Deshayes, 1861 † accepted as Acrilla perangusta (de Boury, 1913) † (unaccepted > junior homonym)
59. Species Scalaria angusta Dunker, 1861 accepted as Epitonium angustum (Dunker, 1861) (unaccepted > superseded combination)
60. Species Scalaria angustior Kobelt, 1888 accepted as Boreoscala greenlandica (G. Perry, 1811)
61. Species Scalaria annulata Milaschewitsch, 1909 accepted as Epitonium clathrus (Linnaeus, 1758)
62. Species Scalaria annulata S. G. Morton, 1830 † accepted as Cavoscala annulata (S. G. Morton, 1830) † (original combination)
63. Species Scalaria arabica Nyst, 1873 accepted as Amaea arabica (Nyst, 1873) (original combination)
64. Species Scalaria arctica Posselt & A. S. Jensen, 1898 accepted as Acirsa borealis (Lyell, 1841)
65. Species Scalaria aspera R. B. Watson, 1897 accepted as Punctiscala cerigottana (Sturany, 1896) (unaccepted > junior subjective synonym)
66. Species Scalaria atomus E. A. Smith, 1890 accepted as Epitonium atomus (E. A. Smith, 1890)
67. Species Scalaria attenuata G. B. Sowerby II, 1874 accepted as Parviscala attenuata (G. B. Sowerby II, 1874) accepted as Epitonium subauriculatum (Souverbie, 1866)
68. Species Scalaria aurita G. B. Sowerby II, 1844 accepted as Epitonium auritum (G. B. Sowerby II, 1844)
69. Species Scalaria australis Lamarck, 1822 accepted as Opalia australis (Lamarck, 1822)
70. Species Scalaria austrocaledonica Montrouzier, 1859 accepted as Epitonium austrocaledonicum (Montrouzier, 1859)
71. Species Scalaria auversiensis Deshayes, 1861 † accepted as Acirsa auversiensis (Deshayes, 1861) † (unaccepted > superseded combination)
72. Species Scalaria azumana Yokoyama, 1922 accepted as Epitonium eximium (A. Adams & Reeve, 1850)
73. Species Scalaria ballinensis E. A. Smith, 1891 accepted as Opalia ballinensis (E. A. Smith, 1891) (original combination)
74. Species Scalaria banoni Tournouër, 1874 † accepted as Subuliscala banoni (Tournouër, 1874) † (unaccepted > superseded combination)
75. Species Scalaria barrandei Deshayes, 1861 † accepted as Epitonium barrandei (Deshayes, 1861) † (unaccepted > superseded combination)
76. Species Scalaria baudoni de Boury, 1883 † accepted as Epitonium baudoni (de Boury, 1883) † (unaccepted > superseded combination)
77. Species Scalaria bavayi (de Boury, 1912) accepted as Cirsotrema varicosum (Lamarck, 1822) (unaccepted > junior subjective synonym)
78. Species Scalaria bellastriata P. P. Carpenter, 1864 accepted as Epitonium bellastriatum (P. P. Carpenter, 1864) (unaccepted > superseded combination)
79. Species Scalaria bengalensis E. A. Smith, 1899 accepted as Epitonium bengalense (E. A. Smith, 1899)
80. Species Scalaria bezanconi de Boury, 1883 † accepted as Acirsa bezanconi (de Boury, 1883) † (unaccepted > superseded combination)
81. Species Scalaria bicarinata G. B. Sowerby II, 1844 accepted as Opalia bicarinata (G. B. Sowerby II, 1844)
82. Species Scalaria bigoti de Boury, 1910 † accepted as Opalia bigoti (de Boury, 1910) † (unaccepted > superseded combination)
83. Species Scalaria billaudeli Mayer, 1864 † accepted as Opalia billaudeli (Mayer, 1864) † (unaccepted > superseded combination)
84. Species Scalaria borealis Lyell, 1841 accepted as Acirsa borealis (Lyell, 1841) (original combination)
85. Species Scalaria borealis A. Gould, 1852 accepted as Opalia wroblewskyi (Mörch, 1875) (unaccepted > junior homonym, invalid: junior primary homonym of Scalaria borealis Lyell, 1841)
86. Species Scalaria bourdoti de Boury, 1883 † accepted as Cirsotrema bourdoti (de Boury, 1883) † (unaccepted > superseded combination)
87. Species Scalaria bowerbankii J. Morris, 1852 † accepted as Amaea bowerbankii (J. Morris, 1852) † (unaccepted > superseded combination)
88. Species Scalaria brevicula Deshayes, 1861 † accepted as Cirsotrema breviculum (Deshayes, 1861) † (unaccepted > superseded combination)
89. Species Scalaria brevis A. d'Orbigny, 1841 accepted as Brookula brevis (A. d'Orbigny, 1841)
90. Species Scalaria brevissima G. Seguenza, 1876 accepted as Epitonium brevissimum (G. Seguenza, 1876) (unaccepted > superseded combination)
91. Species Scalaria brocchii Defrance, 1827 † accepted as Epitonium brocchii (Defrance, 1827) †
92. Species Scalaria browni Zittel, 1865 † accepted as Cirsotrema lyratum (Zittel, 1865) † (junior subjective synonym)
93. Species Scalaria bulbulus Mörch, 1876 accepted as Epitonium krebsii (Mörch, 1875)
94. Species Scalaria bulbulus G. B. Sowerby II, 1844 accepted as Epitonium bulbulum (G. B. Sowerby II, 1844) (basionym)
95. Species Scalaria bullata G. B. Sowerby II, 1844 accepted as Globiscala bullata (G. B. Sowerby II, 1844) (original combination)
96. Species Scalaria burnupi W. H. Turton, 1932 accepted as Epitonium oppositum (de Boury, 1921) (unaccepted > junior subjective synonym)
97. Species Scalaria canaliculata A. d'Orbigny, 1842 † accepted as Gibboscala canaliculata (A. d'Orbigny, 1842) † (unaccepted > superseded combination)
98. Species Scalaria candeana A. d'Orbigny, 1842 accepted as Epitonium candeanum (A. d'Orbigny, 1842)
99. Species Scalaria candidissima Monterosato, 1877 accepted as Epitonium candidissimum (Monterosato, 1877) (original combination)
100. Species Scalaria canephora Melvill, 1906 accepted as Cirsotrema canephorum (Melvill, 1906)
101. Species Scalaria cantrainei Weinkauff, 1866 accepted as Epitonium cantrainei (Weinkauff, 1866) accepted as Epitonium muricatum (Risso, 1826) (unaccepted > superseded combination)
102. Species Scalaria carinifera K. Martin, 1884 † accepted as Epitonium cariniferum (K. Martin, 1884) †
103. Species Scalaria carpenteri Tapparone Canefri, 1876 accepted as Epitonium elenense (G. B. Sowerby II, 1844)
104. Species Scalaria casta G. B. Sowerby II, 1873 accepted as Epitonium castum (G. B. Sowerby II, 1873)
105. Species Scalaria catanauensis G. B. Sowerby II, 1844 accepted as Epitonium catanuense (G. B. Sowerby II, 1844)
106. Species Scalaria celesti Aradas, 1854 accepted as Epitonium celesti (Aradas, 1854)
107. Species Scalaria cerigottana Sturany, 1896 accepted as Punctiscala cerigottana (Sturany, 1896) (unaccepted > superseded combination)
108. Species Scalaria cerithiformis Watelet, 1853 † accepted as Foratiscala cerithiformis (Watelet, 1853) † (unaccepted > superseded combination)
109. Species Scalaria chevallieri Cossmann, 1888 † accepted as Opalia chevallieri (Cossmann, 1888) † (unaccepted > superseded combination)
110. Species Scalaria clathra (Linnaeus, 1758) accepted as Epitonium clathrus (Linnaeus, 1758)
111. Species Scalaria clathrata [sic] accepted as Epitonium clathratulum (Kanmacher, 1798) (misspelling)
112. Species Scalaria clathratula (Kanmacher, 1798) accepted as Epitonium clathratulum (Kanmacher, 1798)
113. Species Scalaria clathrus G. B. Sowerby II, 1844 accepted as Gyroscala lamellosa (Lamarck, 1822) accepted as Gyroscala commutata (Monterosato, 1877) (junior subjective synonym)
114. Species Scalaria clementina Grateloup, 1840 accepted as Epitonium clementinum (Grateloup, 1840) (unaccepted > superseded combination)
115. Species Scalaria clementina (Michelin, 1833) † accepted as Gibboscala clementina (Michelin, 1833) † (unaccepted > superseded combination)
116. Species Scalaria coarctata Jeffreys, 1884 accepted as Acirsa coarctata (Jeffreys, 1884)
117. Species Scalaria cochlea G. B. Sowerby II, 1844 accepted as Cirsotrema cochlea (G. B. Sowerby II, 1844) accepted as Cirsotrema pumiceum (Brocchi, 1814) (unaccepted > superseded combination)
118. Species Scalaria commoda E. A. Smith, 1890 accepted as Epitonium commodum (E. A. Smith, 1890)
119. Species Scalaria communis Lamarck, 1822 accepted as Epitonium clathrus (Linnaeus, 1758) (synonym)
120. Species Scalaria commutata Monterosato, 1877 accepted as Gyroscala commutata (Monterosato, 1877) (superseded combination)
121. Species Scalaria concinna G. B. Sowerby II, 1844 accepted as Epitonium concinnum (G. B. Sowerby II, 1844) accepted as Epitonium sowerbyanum (Nyst, 1873)
122. Species Scalaria confusa E. A. Smith, 1890 accepted as Epitonium umbilicatum (Pease, 1869)
123. Species Scalaria conica Lamarck, 1801 accepted as Epitonium scalare (Linnaeus, 1758) (synonym)
124. Species Scalaria conjuncta Yokoyama, 1922 accepted as Epitonium conjunctum (Yokoyama, 1922)
125. Species Scalaria connexa G. B. Sowerby II, 1844 accepted as Epitonium connexum (G. B. Sowerby II, 1844) (original combination)
126. Species Scalaria consors Crosse & P. Fischer, 1864 accepted as Gyroscala lamellosa (Lamarck, 1822) accepted as Gyroscala commutata (Monterosato, 1877) (junior subjective synonym)
127. Species Scalaria contabulata Deshayes, 1861 † (unaccepted > superseded combination)
128. Species Scalaria coronalis Deshayes, 1861 † (unaccepted, original combination)
129. Species Scalaria coronata Lamarck, 1816 (unaccepted, original combination)
130. Species Scalaria coronata Deshayes, 1861 † (unaccepted, invalid: junior homonym of Scalaria coronata Lamarck, 1816; S. coronalis is a substitrute name)
131. Species Scalaria corulum F. W. Hutton, 1885 † (unaccepted, superseded combination)
132. Species Scalaria costellata Deshayes, 1832 † (unaccepted > superseded combination)
133. Species Scalaria costulata Kiener, 1838 (unaccepted)
134. Species Scalaria crassa G. B. Sowerby II, 1844 (unaccepted)
135. Species Scalaria crassicostata G. B. Sowerby II, 1844 (unaccepted)
136. Species Scalaria crassicostata Deshayes, 1850 † (unaccepted > junior homonym, Invalid: junior homonym of Scalaria crassicostata G.B. Sowerby II, 1844)
137. Species Scalaria crassilabrum G. B. Sowerby II, 1844 (unaccepted)
138. Species Scalaria creberrima Hinds, 1844 (unaccepted)
139. Species Scalaria crebricostata P. P. Carpenter, 1864 (unaccepted > superseded combination)
140. Species Scalaria crebricostellata Mayer-Eymar, 1900 † (unaccepted)
141. Species Scalaria crenata (Linnaeus, 1758) (unaccepted)
142. Species Scalaria crenulata Pease, 1868 (unaccepted, invalid junior homonym of Scalaria crenulata Kiener, 1838; Scalaria peaseana is a replacement name)
143. Species Scalaria crenulata Kiener, 1838 (unaccepted)
144. Species Scalaria crenulata Millet, 1865 † (unaccepted, invalid: junior homonym of Scalaria crenulata Kiener, 1838)
145. Species Scalaria crispa Lamarck, 1804 † (unaccepted, original combination)
146. Species Scalaria crispata Pease, 1868 (unaccepted, original combination)
147. Species Scalaria crosseana Tapparone Canefri, 1876 (unaccepted > junior subjective synonym)
148. Species Scalaria cumingii P. P. Carpenter, 1856 (unaccepted)
149. Species Scalaria curvilineata G. B. Sowerby II, 1844 (unaccepted)
150. Species Scalaria dalliana A. E. Verrill & S. Smith, 1880 (unaccepted, original combination)
151. Species Scalaria decussata Lamarck, 1804 † (unaccepted, original combination)
152. Species Scalaria decussata Pease, 1868 (unaccepted, invalid: junior homonym of Scalaria decussata Lamarck, 1804, and several others; Scalaria sandwichensis Nyst, 1873, is a replacement name)
153. Species Scalaria delicatula Crosse & P. Fischer, 1864 (unaccepted, junior subjective synonym)
154. Species Scalaria denticulata G. B. Sowerby II, 1844 (unaccepted > superseded combination)
155. Species Scalaria dentiscalpium R. B. Watson, 1883 (unaccepted > superseded combination)
156. Species Scalaria deslongchampsi de Raincourt & Munier-Chalmas, 1863 † (unaccepted > superseded combination)
157. Species Scalaria diadema G. B. Sowerby I, 1832 (unaccepted)
158. Species Scalaria dianae Hinds, 1844 (unaccepted)
159. Species Scalaria disjuncta Perry, 1811 (unaccepted)
160. Species Scalaria dissoluta Locard, 1897 (unaccepted > junior subjective synonym)
161. Species Scalaria distincta E. A. Smith, 1891 (unaccepted)
162. Species Scalaria dubia G. B. Sowerby II, 1844 (unaccepted, original combination)
163. Species Scalaria duciei T. Wright, 1855 † (unaccepted > superseded combination)
164. Species Scalaria dunkeri Nyst, 1882 (unaccepted > junior objective synonym)
165. Species Scalaria dupiniana A. d'Orbigny, 1842 † (unaccepted > superseded combination)
166. Species Scalaria eborea (E. A. Smith, 1906) (unaccepted)
167. Species Scalaria echinaticosta A. d'Orbigny, 1842 (unaccepted, original combination)
168. Species Scalaria eichwaldi Karakasch, 1907 † (unaccepted, basionym)
169. Species Scalaria elegans Risso, 1826 (unaccepted)
170. Species Scalaria elegans A. d'Orbigny, 1839 (unaccepted, invalid: junior homonym of Scalaria elegans Risso, 1826; Scalaria orbignyi is a replacement name)
171. Species Scalaria elegantissima Deshayes, 1861 † (unaccepted, original combination)
172. Species Scalaria elenensis G. B. Sowerby II, 1844 (unaccepted)
173. Species Scalaria elongata W. H. Turton, 1932 (unaccepted)
174. Species Scalaria elongata K. Martin, 1879 † (unaccepted)
175. Species Scalaria eranna Melvill & Standen, 1896 (unaccepted > superseded combination)
176. Species Scalaria erasa Deshayes, 1861 † (unaccepted > superseded combination)
177. Species Scalaria erecta W. H. Turton, 1932 (unaccepted)
178. Species Scalaria errana Melvill & Standen, 1896 (unaccepted)
179. Species Scalaria eschrichti Møller, 1842 (unaccepted > junior subjective synonym)
180. Species Scalaria eugenii Deshayes, 1861 † (unaccepted > superseded combination)
181. Species Scalaria eusculpta G. B. Sowerby III, 1903 (unaccepted)
182. Species Scalaria evicta de Boury, 1918 (unaccepted > junior subjective synonym)
183. Species Scalaria eximia A. Adams & Reeve, 1850 (unaccepted, original combination)
184. Species Scalaria eximia Pecchioli, 1864 † (unaccepted > junior subjective synonym)
185. Species Scalaria exomila Melvill & Standen, 1896 (unaccepted)
186. Species Scalaria fasciata G. B. Sowerby II, 1844 (unaccepted)
187. Species Scalaria fenestrata Strebel, 1908 (unaccepted, invalid: junior homonym of Scalaria fenestrata de Stefani, 1875 and Scalaria fenestrata Wöhrmann, 1889; Cirsotrema georgeanum is a replacement name)
188. Species Scalaria ferruginea Mörch, 1852 (unaccepted)
189. Species Scalaria ferussacii Audouin, 1826 (unaccepted)
190. Species Scalaria filaris Mörch, 1875 (unaccepted, junior subjective synonym)
191. Species Scalaria fimbriata Lamarck, 1816 (unaccepted, nomen oblitum)
192. Species Scalaria fimbriolata Melvill, 1897 (unaccepted > superseded combination)
193. Species Scalaria fimbriosa S. V. Wood, 1842 † (unaccepted, junior subjective synonym)
194. Species Scalaria fischeri R. B. Watson, 1897 (unaccepted > superseded combination)
195. Species Scalaria fischeriana Tapparone Canefri, 1876 (unaccepted)
196. Species Scalaria foliaceicosta A. d'Orbigny, 1842 (unaccepted)
197. Species Scalaria folini Dautzenberg & de Boury, 1897 (unaccepted, original combination)
198. Species Scalaria formosa Monterosato, 1875 (unaccepted > nomen nudum)
199. Species Scalaria formosissima Jeffreys, 1884 (unaccepted, original combination)
200. Species Scalaria fragilis sensu G. B. Sowerby II, 1844 not Hanley, 1840 (unaccepted)
201. Species Scalaria fragilis Hanley, 1840 (unaccepted)
202. Species Scalaria francisci Caillat, 1835 † (unaccepted > superseded combination)
203. Species Scalaria friabilis G. B. Sowerby II, 1844 (unaccepted)
204. Species Scalaria frondicula S. V. Wood, 1848 sensu Monterosato, 1878 (unaccepted > misapplication)
205. Species Scalaria frondosa J. De C. Sowerby, 1827 † (unaccepted > superseded combination)
206. Species Scalaria fucata Pease, 1861 (unaccepted)
207. Species Scalaria fulgens de Boury, 1909 (unaccepted > junior subjective synonym)
208. Species Scalaria fulvovittata Dautzenberg, 1890 (unaccepted)
209. Species Scalaria funiculata P. P. Carpenter, 1857 (unaccepted)
210. Species Scalaria funiculata R. B. Watson, 1883 (unaccepted, invalid: not P. P. Carpenter, 1857)
211. Species Scalaria funiculus S. V. Wood, 1872 † (unaccepted, original combination)
212. Species Scalaria fusca G. B. Sowerby II, 1844 (unaccepted)
213. Species Scalaria fusticulus Monterosato, 1875 (unaccepted > nomen nudum)
214. Species Scalaria gastyna A. d'Orbigny, 1842 † (unaccepted > superseded combination)
215. Species Scalaria gaultina A. d'Orbigny, 1842 † (unaccepted > superseded combination)
216. Species Scalaria gemmula W. H. Turton, 1932 (unaccepted > superseded combination, original combination)
217. Species Scalaria genuina Link, 1807 (unaccepted)
218. Species Scalaria georgettina Kiener, 1838 (unaccepted, original combination)
219. Species Scalaria glabrata Hinds, 1844 (unaccepted)
220. Species Scalaria godini de Boury, 1883 † (unaccepted > superseded combination)
221. Species Scalaria gouldi Deshayes, 1861 † (unaccepted > superseded combination)
222. Species Scalaria gracilis G. B. Sowerby II, 1844 (unaccepted)
223. Species Scalaria gradata G. B. Sowerby II, 1844 (unaccepted, original combination)
224. Species Scalaria granulata Reeve, 1873 (unaccepted, misspelling of granosa Quoy & Gaimard, 1834)
225. Species Scalaria granulosa G. B. Sowerby II, 1844 (unaccepted)
226. Species Scalaria grateloupeana Nyst, 1873 (unaccepted)
227. Species Scalaria grayi Nyst, 1873 (unaccepted, original combination)
228. Species Scalaria greenlandica G. Perry, 1811 (unaccepted > superseded combination)
229. Species Scalaria grimaldii Dautzenberg & de Boury, 1897 (unaccepted, synonym)
230. Species Scalaria groenlandica Møller, 1842 (unaccepted, superseded combination)
231. Species Scalaria grossicostata Nyst, 1873 (unaccepted)
232. Species Scalaria guernei Dautzenberg & de Boury, 1897 (unaccepted)
233. Species Scalaria guerni [sic] (unaccepted, incorrect subsequent spelling of guernei)
234. Species Scalaria hellenica Forbes, 1844 (unaccepted)
235. Species Scalaria heteromorpha Deshayes, 1861 † (unaccepted > superseded combination)
236. Species Scalaria hexagona G. B. Sowerby II, 1844 (unaccepted)
237. Species Scalaria hidryma Melvill, 1897 (unaccepted > superseded combination)
238. Species Scalaria hindsii P. P. Carpenter, 1856 (unaccepted, original combination)
239. Species Scalaria hispidula Monterosato, 1874 (unaccepted)
240. Species Scalaria histriaca [sic] (unaccepted, misspelling of histricosa Jousseaum, 1912)
241. Species Scalaria hotessieriana A. d'Orbigny, 1842 (unaccepted)
242. Species Scalaria humphreysiana Reeve, 1873 (unaccepted, synonym)
243. Species Scalaria humphreysii Kiener, 1838 (unaccepted)
244. Species Scalaria hyalina G. B. Sowerby II, 1844 (unaccepted)
245. Species Scalaria immaculata G. B. Sowerby II, 1844 (unaccepted)
246. Species Scalaria impar Deshayes, 1861 † (unaccepted > superseded combination)
247. Species Scalaria imperialis G. B. Sowerby II, 1844 (unaccepted)
248. Species Scalaria inclyta Melvill, 1885 (unaccepted > junior subjective synonym)
249. Species Scalaria inconstans (de Boury, 1913) (unaccepted)
250. Species Scalaria indianorum P. P. Carpenter, 1864 (unaccepted > superseded combination)
251. Species Scalaria indistincta G. B. Sowerby II, 1844 (unaccepted)
252. Species Scalaria instricta E. von Martens, 1904 (unaccepted)
253. Species Scalaria intermedia F. W. Hutton, 1873 † (unaccepted, junior subjective synonym)
254. Species Scalaria interstriata G. B. Sowerby III, 1905 (unaccepted)
255. Species Scalaria irregularis G. B. Sowerby II, 1844 (unaccepted)
256. Species Scalaria japonica Nyst, 1873 (unaccepted)
257. Species Scalaria japonica Dunker, 1861 (unaccepted > superseded combination)
258. Species Scalaria jeffreysi Tryon, 1887 (unaccepted)
259. Species Scalaria jickelii Clessin, 1897 (unaccepted)
260. Species Scalaria jolyi Monterosato, 1878 (unaccepted)
261. Species Scalaria jomardi Audouin, 1826 (unaccepted)
262. Species Scalaria joubini (de Boury, 1913) (unaccepted, junior subjective synonym)
263. Species Scalaria jousseaumei Locard, 1891 (unaccepted)
264. Species Scalaria juanina Odhner, 1922 (unaccepted, original combination)
265. Species Scalaria jucunda Tapparone Canefri, 1876 (unaccepted)
266. Species Scalaria jukesiana Forbes, 1852 (unaccepted, superseded combination)
267. Species Scalaria kanemoe (Pilsbry, 1921) (unaccepted)
268. Species Scalaria kazusensis Yokoyama, 1922 (unaccepted)
269. Species Scalaria kinkelini O. Meyer, 1887 † (unaccepted > superseded combination)
270. Species Scalaria klunzingeri Clessin, 1897 (unaccepted)
271. Species Scalaria kowiensis W. H. Turton, 1933 (unaccepted)
272. Species Scalaria kraussi Nyst, 1873 (unaccepted)
273. Species Scalaria kuzmici Brusina, 1869 (unaccepted)
274. Species Scalaria lactea Krauss, 1848 (unaccepted, junior secondary homonym)
275. Species Scalaria laevigata Calcara, 1840 (unaccepted)
276. Species Scalaria lamarckii Deshayes, 1861 † (unaccepted > superseded combination)
277. Species Scalaria lamberti Deshayes, 1861 † (unaccepted > superseded combination)
278. Species Scalaria lamellosa Lamarck, 1822 (unaccepted > junior homonym, invalid: not Brocchi, 1814)
279. Species Scalaria lancerotensis Nyst, 1882 (unaccepted > junior objective synonym)
280. Species Scalaria latecostata Strebel, 1905 (unaccepted > junior subjective synonym)
281. Species Scalaria latedisjuncta de Boury, 1911 (unaccepted)
282. Species Scalaria latifasciata G. B. Sowerby II, 1874 (unaccepted > superseded combination)
283. Species Scalaria laxata G. B. Sowerby II, 1844 (unaccepted)
284. Species Scalaria leeana A. E. Verrill, 1882 (unaccepted)
285. Species Scalaria lemoinei de Boury, 1883 † (unaccepted > superseded combination)
286. Species Scalaria leptalea K. J. Bush, 1885 (unaccepted)
287. Species Scalaria leroyi Guppy, 1867 † (unaccepted > superseded combination)
288. Species Scalaria levesquei de Boury, 1887 † (unaccepted > superseded combination)
289. Species Scalaria ligata C. B. Adams, 1850 (unaccepted)
290. Species Scalaria lincta de Boury & Monterosato, 1890 (unaccepted)
291. Species Scalaria lineata Say, 1822 (unaccepted)
292. Species Scalaria lineolata G. B. Sowerby II, 1844 (unaccepted)
293. Species Scalaria longissima G. Seguenza, 1880 sensu Jeffreys, 1884 (unaccepted > misapplication)
294. Species Scalaria loustauae Cossmann, 1888 † (unaccepted > superseded combination)
295. Species Scalaria loveni (unaccepted, misspelling of specific epithet)
296. Species Scalaria lovenii A. Adams, 1856 (unaccepted, junior synonym)
297. Species Scalaria lyra G. B. Sowerby II, 1844 (unaccepted, original combination)
298. Species Scalaria lyrata Zittel, 1865 † (unaccepted, superseded combination)
299. Species Scalaria maculosa A. Adams & Reeve, 1850 (unaccepted)
300. Species Scalaria maculosa Yokoyama, 1922 (unaccepted, inavailable: a junior homonym of Scalaria maculosa Adams & Reeve, 1850)
301. Species Scalaria magellanica R. A. Philippi, 1845 (unaccepted > superseded combination)
302. Species Scalaria magnifica G. B. Sowerby II, 1844 (unaccepted)
303. Species Scalaria malcolmensis Melvill, 1898 (unaccepted > superseded combination)
304. Species Scalaria marginata F. W. Hutton, 1885 † (unaccepted, superseded combination)
305. Species Scalaria mariei Crosse, 1873 (unaccepted)
306. Species Scalaria marmorata G. B. Sowerby II, 1844 (unaccepted)
307. Species Scalaria martensi (de Boury, 1913) (unaccepted > superseded combination)
308. Species Scalaria mediterranea Locard & Caziot, 1901 (unaccepted, synonym)
309. Species Scalaria mellissi E. A. Smith, 1890 (unaccepted, original combination)
310. Species Scalaria michelini Deshayes, 1861 † (unaccepted > superseded combination)
311. Species Scalaria microsoma Tapparone Canefri, 1876 (unaccepted)
312. Species Scalaria millecostata Pease, 1861 (unaccepted)
313. Species Scalaria mindoroensis G. B. Sowerby II, 1844 (unaccepted)
314. Species Scalaria minima K. Martin, 1879 † (unaccepted)
315. Species Scalaria minor G. B. Sowerby II, 1873 (unaccepted, original combination)
316. Species Scalaria minuta J. De C. Sowerby, 1823 † (unaccepted, basionym)
317. Species Scalaria minutissima Deshayes, 1861 † (unaccepted > superseded combination)
318. Species Scalaria minutula Tate & May, 1900 (unaccepted, original combination)
319. Species Scalaria mirifica P. Fischer, 1886 (unaccepted)
320. Species Scalaria misera (de Boury, 1913) (unaccepted)
321. Species Scalaria mitraeformis G. B. Sowerby II, 1844 (unaccepted)
322. Species Scalaria modesta C. B. Adams, 1845 (unaccepted, junior synonym)
323. Species Scalaria monocycla Lamarck, 1804 sensu Scacchi, 1836 (unaccepted, misapplication)
324. Species Scalaria monocycla Kiener, 1838 (unaccepted, junior subjective synonym)
325. Species Scalaria morleti de Boury, 1883 † (unaccepted > superseded combination)
326. Species Scalaria multicincta Watelet, 1853 † (unaccepted > superseded combination)
327. Species Scalaria multicostata G. B. Sowerby II, 1844 (unaccepted)
328. Species Scalaria multiperforata G. B. Sowerby II, 1874 (unaccepted > superseded combination)
329. Species Scalaria multistriata Say, 1826 (unaccepted)
330. Species Scalaria munieri de Raincourt, 1870 † (unaccepted > superseded combination)
331. Species Scalaria muricata Risso, 1826 (unaccepted, original combination)
332. Species Scalaria muricata G. B. Sowerby II, 1844 (unaccepted)
333. Species Scalaria muricata Risso, 1826 sensu Kiener, 1838, (unaccepted)
334. Species Scalaria nana Jeffreys, 1884 (unaccepted)
335. Species Scalaria neglecta A. Adams & Reeve, 1850 (unaccepted > superseded combination)
336. Species Scalaria nicobarica G. B. Sowerby II, 1844 (unaccepted)
337. Species Scalaria notha Menke, 1828 (unaccepted)
338. Species Scalaria novangliae Couthouy, 1838 (unaccepted)
339. Species Scalaria novoseelandiae Clessin, 1897 (unaccepted, junior subjective synonym)
340. Species Scalaria nuda G. B. Sowerby II, 1874 (unaccepted)
341. Species Scalaria nympha F. W. Hutton, 1885 † (unaccepted, superseded combination)
342. Species Scalaria obesa G. B. Sowerby II, 1844 (unaccepted)
343. Species Scalaria obliqua G. B. Sowerby II, 1844 (unaccepted)
344. Species Scalaria obsita Locard, 1886 (unaccepted, synonym)
345. Species Scalaria obtusa G. B. Sowerby II, 1844 (unaccepted)
346. Species Scalaria obtusicostata G. O. Sars, 1878 (unaccepted)
347. Species Scalaria obtusicostata S. V. Wood, 1848 † (unaccepted > superseded combination)
348. Species Scalaria occidentalis Nyst, 1873 (unaccepted)
349. Species Scalaria ochotensis Middendorff, 1849 (unaccepted, original combination)
350. Species Scalaria octogona G. B. Sowerby III, 1905 (unaccepted)
351. Species Scalaria orbignyi Nyst, 1873 (unaccepted)
352. Species Scalaria ornata Friele & Grieg, 1901 (unaccepted > junior homonym, non Baily, 1855)
353. Species Scalaria ornati Quenstedt, 1852 † (unaccepted > superseded combination)
354. Species Scalaria ovalis G. B. Sowerby II, 1844 (unaccepted)
355. Species Scalaria pachya Locard, 1897 (unaccepted)
356. Species Scalaria pachygyra Locard, 1897 (unaccepted)
357. Species Scalaria pallaryi (de Boury, 1912) (unaccepted > junior subjective synonym)
358. Species Scalaria pallasi Kiener, 1838 (unaccepted)
359. Species Scalaria paucilobata de Boury, 1911 (unaccepted)
360. Species Scalaria paumotensis Pease, 1868 (unaccepted, original combination)
361. Species Scalaria peaseana Nyst, 1873 (unaccepted, original combination)
362. Species Scalaria perangusta de Boury, 1913 † (unaccepted > superseded combination)
363. Species Scalaria perexilis W. H. Turton, 1932 (unaccepted)
364. Species Scalaria pernobilis P. Fischer & Bernardi, 1857 (unaccepted)
365. Species Scalaria perplexa Pease, 1868 (unaccepted, junior subjective synonym)
366. Species Scalaria persecuta Cossmann, 1900 † (unaccepted)
367. Species Scalaria pfeifferi de Boury, 1913 (unaccepted)
368. Species Scalaria philippinarum G. B. Sowerby II, 1844 (unaccepted)
369. Species Scalaria philtata R. B. Watson, 1886 (unaccepted > superseded combination)
370. Species Scalaria picturata Yokoyama, 1922 † (unaccepted)
371. Species Scalaria planicosta Kiener, 1838 (unaccepted)
372. Species Scalaria planicosta Bivona e Bernardi, 1832 (unaccepted, synonym)
373. Species Scalaria pleiophylla Tate, 1890 † (unaccepted)
374. Species Scalaria plicata Lamarck, 1804 sensu Scacchi, 1835 (unaccepted, misapplication)
375. Species Scalaria plicata Lamarck, 1804 † (unaccepted > superseded combination)
376. Species Scalaria plicosa R. A. Philippi, 1844 † (unaccepted > superseded combination)
377. Species Scalaria pluricostata de Boury, 1913 (unaccepted > junior subjective synonym)
378. Species Scalaria polita G. B. Sowerby II, 1844 (unaccepted)
379. Species Scalaria polygyrella P. Fischer, 1897 (unaccepted)
380. Species Scalaria porrecta Hinds, 1843 (unaccepted)
381. Species Scalaria pourtalesii A. E. Verrill & S. Smith, 1880 (unaccepted)
382. Species Scalaria pretiosa Lamarck, 1816 (unaccepted)
383. Species Scalaria primula Deshayes, 1861 † (unaccepted, original combination)
384. Species Scalaria principalis G. B. Sowerby II, 1844 (unaccepted)
385. Species Scalaria problematica Dautzenberg & de Boury, 1897 (unaccepted, synonym)
386. Species Scalaria producta W. H. Turton, 1932 (unaccepted > junior homonym, junior homonym of Scalaria clathatula producta Jeffreys, 1884; S. kowiensis W. H. Turton, 1933 is a replacement name)
387. Species Scalaria prolongata W. H. Turton, 1932 (unaccepted)
388. Species Scalaria pseudopulchella G. Seguenza, 1884 (unaccepted > nomen nudum, name introduced in synonymy, not available)
389. Species Scalaria pseudoscalaris (Brocchi, 1814) sensu R. A. Philippi, 1836 (unaccepted > misapplication)
390. Species Scalaria pulchella Bivona e Bernardi, 1832 (unaccepted)
391. Species Scalaria pulcherrima Monterosato, 1872 (unaccepted)
392. Species Scalaria pulcherrima G. B. Sowerby II, 1844 (unaccepted)
393. Species Scalaria pumila Libassi, 1859 (unaccepted, synonym)
394. Species Scalaria pumila G. B. Sowerby II, 1873 (unaccepted)
395. Species Scalaria pupipunctata de Boury, 1911 (unaccepted)
396. Species Scalaria pusilla R. A. Philippi, 1844 † (unaccepted, superseded combination)
397. Species Scalaria pyramidalis G. B. Sowerby II, 1844 (unaccepted)
398. Species Scalaria pyrrhias R. B. Watson, 1886 (unaccepted > superseded combination)
399. Species Scalaria raricosta Lamarck, 1822 (unaccepted)
400. Species Scalaria raricosta Lamarck, 1804 (unaccepted)
401. Species Scalaria raricostata G. B. Sowerby II, 1844 (unaccepted, original combination)
402. Species Scalaria raricostata P. P. Carpenter, 1857 (unaccepted)
403. Species Scalaria reevei Clessin, 1897 (unaccepted, junior subjective synonym)
404. Species Scalaria reflexa P. P. Carpenter, 1856 (unaccepted > superseded combination, basionym)
405. Species Scalaria regularis P. P. Carpenter, 1856 (unaccepted)
406. Species Scalaria replicata G. B. Sowerby II, 1844 (unaccepted)
407. Species Scalaria retiporosa (P. P. Carpenter, 1864) (unaccepted)
408. Species Scalaria revoluta (Hedley, 1899) (unaccepted)
409. Species Scalaria rhips R. B. Watson, 1897 (unaccepted > superseded combination)
410. Species Scalaria richardi Dautzenberg & de Boury, 1897 (unaccepted)
411. Species Scalaria rietensis W. H. Turton, 1932 (unaccepted, junior subjective synonym)
412. Species Scalaria robillardi G. B. Sowerby III, 1894 (unaccepted)
413. Species Scalaria rubrolineata G. B. Sowerby II, 1844 (unaccepted)
414. Species Scalaria rufanensis W. H. Turton, 1932 (unaccepted, junior subjective synonym)
415. Species Scalaria rugulosa G. B. Sowerby I, 1846 † (unaccepted > superseded combination)
416. Species Scalaria rupicola J. D. Kurtz, 1860 (unaccepted > superseded combination)
417. Species Scalaria samarangana K. Martin, 1884 † (unaccepted)
418. Species Scalaria sanctaehelenae E. A. Smith, 1890 (unaccepted, original combination)
419. Species Scalaria sandwichensis Nyst, 1873 (unaccepted, original combination)
420. Species Scalaria sarsii Kobelt, 1903 (unaccepted, original combination)
421. Species Scalaria scaberrima Michelotti, 1840 † (unaccepted, original combination)
422. Species Scalaria scacchii M. Hörnes, 1856 † (unaccepted)
423. Species Scalaria scalaris (Linnaeus, 1758) (unaccepted)
424. Species Scalaria scalata Montfort, 1810 (unaccepted)
425. Species Scalaria schultzii Weinkauff, 1868 (unaccepted, synonym)
426. Species Scalaria sculptata Deshayes, 1861 † (unaccepted > superseded combination)
427. Species Scalaria sedgwicki d'Archiac & Haime, 1854 † (unaccepted, superseded combination)
428. Species Scalaria semicostata J. Sowerby, 1814 † (unaccepted > superseded combination)
429. Species Scalaria semidisjuncta Jeffreys, 1884 (unaccepted)
430. Species Scalaria senegalensis Maltzan, 1885 (unaccepted > junior subjective synonym)
431. Species Scalaria serrata Calcara, 1841 (unaccepted > junior subjective synonym)
432. Species Scalaria similis J. Sowerby, 1813 (unaccepted)
433. Species Scalaria similis G. B. Sowerby II, 1844 (unaccepted, invalid: junior homonym of Scalaria similis J. Sowerby, 1813)
434. Species Scalaria simillima Tapparone Canefri, 1876 (unaccepted)
435. Species Scalaria simplex G. B. Sowerby III, 1894 (unaccepted)
436. Species Scalaria smithii Tryon, 1887 (unaccepted)
437. Species Scalaria smithii R. B. Watson, 1897 (unaccepted, junior homonym of Scalaria smithii Tryon, 1887)
438. Species Scalaria solidula Monterosato, 1875 (unaccepted > junior subjective synonym)
439. Species Scalaria soluta Tiberi, 1863 (unaccepted, synonym)
440. Species Scalaria soluta (Mörch, 1875) (unaccepted)
441. Species Scalaria sowerbyana Nyst, 1873 (unaccepted)
442. Species Scalaria sowerbyi Clessin, 1897 (unaccepted, junior subjective synonym)
443. Species Scalaria spinifera G. Seguenza, 1876 † (unaccepted > superseded combination)
444. Species Scalaria spinosa Bonelli, 1826 † (unaccepted > superseded combination)
445. Species Scalaria statuminata G. B. Sowerby II, 1844 (unaccepted)
446. Species Scalaria striata Gray, 1847 (unaccepted, invalid: junior homonym of Scalaria striata Defrance, 1827; Scalaria grayi is a replacement name)
447. Species Scalaria striata Kiener, 1838 (unaccepted)
448. Species Scalaria striatella Nyst, 1873 (unaccepted)
449. Species Scalaria striatissima Monterosato, 1878 (unaccepted)
450. Species Scalaria striatula Deshayes, 1832 † (unaccepted > superseded combination)
451. Species Scalaria subauriculata Souverbie, 1866 (unaccepted, original combination)
452. Species Scalaria subcasta E. A. Smith, 1899 (unaccepted, original combination)
453. Species Scalaria subcoronata P. P. Carpenter, 1864 (unaccepted > junior subjective synonym)
454. Species Scalaria subdecussata Cantraine, 1835 (unaccepted)
455. Species Scalaria subdecussata Pease, 1867 (unaccepted, non Cantraine, 1835)
456. Species Scalaria subfrondicula Yokoyama, 1922 † (unaccepted > superseded combination)
457. Species Scalaria sublineata de Boury, 1918 (unaccepted, junior subjective synonym)
458. Species Scalaria subnodosa P. P. Carpenter, 1856 (unaccepted)
459. Species Scalaria subnudata G. B. Sowerby II, 1874 (unaccepted)
460. Species Scalaria subplicata Deshayes, 1861 † (unaccepted > superseded combination)
461. Species Scalaria subpretiosa Blainville, 1827 (unaccepted)
462. Species Scalaria subreticulata A. d'Orbigny, 1852 † (unaccepted > superseded combination)
463. Species Scalaria subscalaris A. d'Orbigny, 1852 † (unaccepted > superseded combination)
464. Species Scalaria subspinosa Grateloup, 1828 † (unaccepted > superseded combination)
465. Species Scalaria subtenuilamella d'Archiac & Haime, 1854 † (unaccepted, superseded combination)
466. Species Scalaria subtilis G. B. Sowerby II, 1844 (unaccepted, original combination)
467. Species Scalaria subulata Couthouy, 1838 (unaccepted)
468. Species Scalaria subvaricosa Cantraine, 1842 † (unaccepted > superseded combination)
469. Species Scalaria sulcata G. B. Sowerby II, 1844 (unaccepted, original combination)
470. Species Scalaria suprastriata P. P. Carpenter, 1857 (unaccepted)
471. Species Scalaria suturalis Hinds, 1844 (unaccepted)
472. Species Scalaria swanni A. L. Adams, 1870 † (unaccepted > junior subjective synonym)
473. Species Scalaria symmetrica Pease, 1868 (unaccepted)
474. Species Scalaria symphylla E. von Martens, 1878 (unaccepted)
475. Species Scalaria tenella F. W. Hutton, 1885 (unaccepted, superseded combination)
476. Species Scalaria tenera Jeffreys, 1884 (unaccepted, synonym)
477. Species Scalaria tenera (H. Adams, 1873) (unaccepted)
478. Species Scalaria tenera G. B. Sowerby I, 1847 † (unaccepted)
479. Species Scalaria tenuicosta [sic] (unaccepted, misspelling of Scalaria tenuicostata Michaud, 1829)
480. Species Scalaria tenuicostata Michaud, 1829 (unaccepted, synonym)
481. Species Scalaria tenuicostata G. B. Sowerby II, 1844 (unaccepted)
482. Species Scalaria tenuilamella Deshayes, 1832 † (unaccepted > superseded combination)
483. Species Scalaria tenuilirata G. B. Sowerby II, 1874 (unaccepted)
484. Species Scalaria tenuis G. B. Sowerby II, 1844 (unaccepted, invalid: junior homonym of Scalaria tenuis Gray, 1826; Scala occidentalis is replacement name)
485. Species Scalaria tenuis J. E. Gray, 1826 (unaccepted)
486. Species Scalaria tenuisculpta E. von Martens, 1882 (unaccepted)
487. Species Scalaria tenuistriata A. d'Orbigny, 1839 (unaccepted, invalid: junior homonym of Scalaria tenuistriata Bronn, 1831; Scala striatella is a replacement name)
488. Species Scalaria teres K. J. Bush, 1885 (unaccepted)
489. Species Scalaria texana F. A. Roemer, 1852 † (unaccepted > superseded combination)
490. Species Scalaria texturata A. Gould, 1847 (unaccepted, original combination)
491. Species Scalaria tiara P. P. Carpenter, 1856 (unaccepted)
492. Species Scalaria timida Deshayes, 1861 † (unaccepted > superseded combination)
493. Species Scalaria tomlini (de Boury, 1913) (unaccepted)
494. Species Scalaria tortilis R. B. Watson, 1883 (unaccepted > superseded combination)
495. Species Scalaria torulosa (Brocchi, 1814) sensu Locard, 1897 (unaccepted > misapplication)
496. Species Scalaria transversaria Deshayes, 1861 † (unaccepted > superseded combination)
497. Species Scalaria treveliana Thorpe, 1844 (unaccepted, synonym)
498. Species Scalaria trevelyana G. Johnston, 1841 (unaccepted, original combination)
499. Species Scalaria trevelyana W. Thompson, 1840 (unaccepted, nomen nudum)
500. Species Scalaria trifasciata G. B. Sowerby II, 1844 (unaccepted, uncertain synonym)
501. Species Scalaria trochiformis Maltzan, 1885 (unaccepted > junior homonym, invalid; not Brocchi, 1814)
502. Species Scalaria tumida Risso, 1826 (unaccepted, synonym)
503. Species Scalaria turbinata Conrad, 1837 (unaccepted)
504. Species Scalaria turricula G. B. Sowerby II, 1844 (unaccepted, invalid: junior homonym of Scalaria turricula Cantraine, 1842; S. turrita Nyst, 1873, and S. antillarum are replacement names)
505. Species Scalaria turriculoides Yokoyama, 1920 (unaccepted)
506. Species Scalaria turrita Nyst, 1873 (unaccepted)
507. Species Scalaria turtonae Locard, 1891 (unaccepted, unjustified emendation)
508. Species Scalaria umbilicata Pease, 1869 (unaccepted)
509. Species Scalaria uncinaticosta A. d'Orbigny, 1842 (unaccepted)
510. Species Scalaria undosa J. de C. Sowerby, 1827 † (unaccepted > superseded combination)
511. Species Scalaria undulata G. B. Sowerby II, 1844 (unaccepted)
512. Species Scalaria undulatissima G. B. Sowerby II, 1874 (unaccepted)
513. Species Scalaria unicostata G. B. Sowerby II, 1873 (unaccepted > junior subjective synonym)
514. Species Scalaria unifasciata G. B. Sowerby II, 1844 (unaccepted)
515. Species Scalaria unilateralis E. von Martens, 1902 (unaccepted > superseded combination)
516. Species Scalaria varicosa Lamarck, 1822 sensu G. O. Sars, 1878 (unaccepted)
517. Species Scalaria varicosa Lamarck, 1822 (unaccepted, superseded combination)
518. Species Scalaria variculosa Deshayes, 1861 † (unaccepted > superseded combination)
519. Species Scalaria venosa G. B. Sowerby II, 1844 (unaccepted)
520. Species Scalaria venusta (Fenaux, 1943) (unaccepted)
521. Species Scalaria venusta Münster, 1841 † (unaccepted > superseded combination)
522. Species Scalaria vermetiformis R. B. Watson, 1886 (unaccepted > junior subjective synonym)
523. Species Scalaria vestalis Hinds, 1844 (unaccepted)
524. Species Scalaria vicina Dautzenberg & de Boury, 1897 (unaccepted)
525. Species Scalaria vincta Deshayes, 1861 † (unaccepted > superseded combination)
526. Species Scalaria vittata Jeffreys, 1884 (unaccepted)
527. Species Scalaria vulpina Hinds, 1844 (unaccepted)
528. Species Scalaria watsoni de Boury, 1911 (unaccepted, superseded combination)
529. Species Scalaria webbii A. d'Orbigny, 1840 (unaccepted)
530. Species Scalaria wellingtonensis T. W. Kirk, 1880 (unaccepted > junior subjective synonym)
531. Species Scalaria whitechurchi W. H. Turton, 1932 (unaccepted)
532. Species Scalaria woodi Deshayes, 1861 † (unaccepted > junior subjective synonym)
533. Species Scalaria yamakawai Yokoyama, 1922 (unaccepted, original combination)
534. Species Scalaria zelebori Dunker, 1866 (unaccepted, superseded combination)
535. Subgenus Scalaria (Hemiacirsa) de Boury, 1890 (uncertain > taxon inquirendum)
     1. Species Scalaria (Hemiacirsa) dolicha Tate, 1892 † accepted as Mammiscala dolicha (Tate, 1892) † accepted as Acrilla dolicha (Tate, 1892) †
     2. Species Scalaria (Hemiacirsa) lampra Tate, 1890 † accepted as Acirsa lampra (Tate, 1890) †
     3. Species Scalaria (Hemiacirsa) polynema Tate, 1890 † accepted as Acirsa polynema (Tate, 1890) †
536. Species Scalaria alternicostata Bronn, 1831 † (uncertain > unassessed)
537. Species Scalaria amoena R. A. Philippi, 1844 † (uncertain > unassessed)
538. Species Scalaria ampla Gabb, 1873 † (uncertain > unassessed)
539. Species Scalaria araucana R. A. Philippi, 1887 † (uncertain > unassessed)
540. Species Scalaria babilonica Bronn, 1831 † (uncertain > unassessed)
541. Species Scalaria becki W. H. Turton, 1932 (uncertain > taxon inquirendum)
542. Species Scalaria boettgeri Maltzan, 1885 (uncertain > taxon inquirendum)
543. Species Scalaria cancellata (Brocchi, 1814) † (uncertain > unassessed)
544. Species Scalaria chilensis A. d'Orbigny, 1843 † (uncertain > unassessed)
545. Species Scalaria clandestina Grateloup, 1828 † (uncertain > unassessed)
546. Species Scalaria continuata G. B. Sowerby II, 1874 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
547. Species Scalaria contorta Kaunhowen, 1898 † (uncertain > unassessed)
548. Species Scalaria crenulata Piette, 1855 † (uncertain > taxon inquirendum, junior homonym of Scalaria crenulata Kiener, 1838)
549. Species Scalaria densestriata Kaunhowen, 1898 † (uncertain > unassessed)
550. Species Scalaria disjuncta Bronn, 1832 † (uncertain > unassessed)
551. Species Scalaria disjuncta Bronn, 1831 † (uncertain > unassessed)
552. Species Scalaria duboisiana A. d'Orbigny, 1852 † (uncertain > unassessed)
553. Species Scalaria dumonti Briart & Cornet, 1873 † (uncertain > unassessed)
554. Species Scalaria eburnea Potiez & Michaud, 1838 (uncertain > nomen dubium)
555. Species Scalaria ehrenbergi Forbes, 1848 † (uncertain > unassessed)
556. Species Scalaria essingtoniensis Gray, 1847 (uncertain > nomen dubium)
557. Species Scalaria foliacea G. B. Sowerby I, 1823 † (uncertain > taxon inquirendum, use in recent liteature currently undocumented)
558. Species Scalaria gracilenta A. Gould, 1847 (uncertain > taxon inquirendum)
559. Species Scalaria haidingeri Binkhorst, 1861 † (uncertain > unassessed)
560. Species Scalaria inconspicua G. B. Sowerby II, 1844 (uncertain > nomen dubium)
561. Species Scalaria insignis R. A. Philippi, 1844 † (uncertain > unassessed)
562. Species Scalaria kobelti Kobelt, 1880 (uncertain > nomen dubium)
563. Species Scalaria longissima G. Seguenza, 1880 † (uncertain > taxon inquirendum)
564. Species Scalaria macrostoma J. Müller, 1851 † (uncertain > unassessed)
565. Species Scalaria maroccana G. Perry, 1811 (uncertain > nomen dubium)
566. Species Scalaria mexicana Clessin, 1897 (uncertain > nomen dubium)
567. Species Scalaria minutissima Gabb, 1873 † (uncertain > unassessed)
568. Species Scalaria multilamella Basterot, 1825 † (uncertain > unassessed)
569. Species Scalaria multistriata R. A. Philippi, 1844 (uncertain > nomen dubium)
570. Species Scalaria nodulosa R. A. Philippi, 1887 † (uncertain > unassessed)
571. Species Scalaria octolineata (Conrad, 1860) † (uncertain > unassessed)
572. Species Scalaria ornata W. H. Baily, 1855 † (uncertain > unassessed)
573. Species Scalaria pallas Perry, 1811 (uncertain > nomen dubium)
574. Species Scalaria principalis Gray, 1826 (uncertain > nomen dubium)
575. Species Scalaria rauliniana A. d'Orbigny, 1842 † (uncertain > nomen dubium)
576. Species Scalaria regiomontana de Boury, 1918 (uncertain > taxon inquirendum)
577. Species Scalaria reticulata R. A. Philippi, 1844 † (uncertain > unassessed)
578. Species Scalaria rudis R. A. Philippi, 1844 † (uncertain > unassessed)
579. Species Scalaria striata Defrance, 1827 † (uncertain > unassessed)
580. Species Scalaria striatocostata J. Müller, 1851 † (uncertain > unassessed)
581. Species Scalaria striatula (Linnaeus, 1758) (uncertain > nomen dubium)
582. Species Scalaria subcancellata A. d'Orbigny, 1852 † (uncertain > unassessed)
583. Species Scalaria tenuistriata Bronn, 1831 † (uncertain > unassessed)
584. Species Scalaria tournoueri Benoist, 1875 † (uncertain > unassessed)
585. Species Scalaria trigintanaria Conrad, 1847 † (uncertain > unassessed)
586. Species Scalaria turrita Blainville, 1827 (uncertain > nomen dubium)
587. Species Scalaria variegata Perry, 1811 (uncertain > nomen dubium)
588. Species Scalaria venusta Libassi, 1859 † (uncertain > unassessed, junior homonym of Scalaria venusta Münster, 1841)
589. Species Scalaria volckmanni R. A. Philippi, 1887 † (uncertain > unassessed)
590. Species Scalaria whitfieldi Aldrich, 1885 † (uncertain > unassessed)

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