1. Species Aclis angulata E. A. Smith, 1890 (accepted > unreplaced junior homonym)
2. Species Aclis angulifera (Yokoyama, 1922)
3. Species Aclis ascaris (W. Turton, 1819)
4. Species Aclis attenuans Jeffreys, 1883
5. Species Aclis aurisparva Bertolaso & Garilli, 2009 †
6. Species Aclis bartolomeae Tabanelli, 1997 †
7. Species Aclis bicincta G. Seguenza, 1880 †
8. Species Aclis bitaeniata G. B. Sowerby III, 1903
9. Species Aclis brugnoniana De Stefani & Pantanelli, 1879 †
10. Species Aclis calotropis Melvill & Standen, 1901
11. Species Aclis cellinii Chirli, 2009 †
12. Species Aclis conula Dall, 1927
13. Species Aclis corniculata L. Souza, Araújo & Pimenta, 2024
14. Species Aclis cubana Bartsch, 1911
15. Species Aclis didyma E. A. Smith, 1890
16. Species Aclis enilda Melvill & Standen, 1901
17. Species Aclis eoa Melvill, 1896
18. Species Aclis eolis Bartsch, 1947
19. Species Aclis expansa (A. W. B. Powell, 1930)
20. Species Aclis floridana Bartsch, 1911
21. Species Aclis gittenbergeri (De Jong & Coomans, 1988)
22. Species Aclis gulsonae (W. Clark, 1850)
23. Species Aclis guttula Rindone, 1990 †
24. Species Aclis hendersoni Dall, 1927
25. Species Aclis immaculata Dall, 1927
26. Species Aclis insolita Lozouet, 2015 †
27. Species Aclis kanela Absalão, 2009
28. Species Aclis latior G. Seguenza, 1876 †
29. Species Aclis limata Dall, 1927
30. Species Aclis loveniana A. Adams, 1861
31. Species Aclis macrostoma J. Barros, S. Lima & Francisco, 2007
32. Species Aclis maestratii Poppe & Tagaro, 2016
33. Species Aclis maoria A. W. B. Powell, 1937
34. Species Aclis marguerita (Bartsch, 1947)
35. Species Aclis minor (T. Brown, 1827)
36. Species Aclis penetrans Sosso, 1999 †
37. Species Aclis planostoma (F. W. Hutton, 1885) †
38. Species Aclis proascaris Sacco, 1891 †
39. Species Aclis protracta Thiele, 1925
40. Species Aclis pseudopareora A. W. B. Powell, 1940
41. Species Aclis pulchra L. Souza, Araújo & Pimenta, 2024
42. Species Aclis pyramida Dall, 1927
43. Species Aclis rhyssa Dall, 1927
44. Species Aclis rushi Bartsch, 1911
45. Species Aclis sansibarica Thiele, 1925
46. Species Aclis sarissa R. B. Watson, 1881
47. Species Aclis sarsi Dautzenberg & H. Fischer, 1912
48. Species Aclis scalaris G. Seguenza, 1876 †
49. Species Aclis shepardiana (Dall, 1919)
50. Species Aclis siberutensis Thiele, 1925
51. Species Aclis simillima E. A. Smith, 1890
52. Species Aclis stilifer Dall, 1927
53. Species Aclis subcarinata (Murdoch & Suter, 1906)
54. Species Aclis talaverai Brunetti & Cresti, 2018
55. Species Aclis tenuis A. E. Verrill, 1882
56. Species Aclis terebra (A. W. B. Powell, 1930)
57. Species Aclis torta Thiele, 1925
58. Species Aclis trilineata R. B. Watson, 1897
59. Species Aclis tumens P. P. Carpenter, 1857
60. Species Aclis umbilicaris G. Seguenza, 1876 †
61. Species Aclis vitrea R. B. Watson, 1897
62. Species Aclis walleri Jeffreys, 1867
63. Species Aclis watsoni J. Barros, S. Lima & Francisco, 2007
64. Subgenus Aclis (Aclis) Lovén, 1846 accepted as Aclis Lovén, 1846
    1. Species Aclis (Aclis) bartolomeae Tabanelli, 1997 † accepted as Aclis bartolomeae Tabanelli, 1997 †
65. Subgenus Aclis (Graphis) Jeffreys, 1867 accepted as Graphis Jeffreys, 1867
    1. Species Aclis (Graphis) bouryi Cossmann, 1888 † accepted as Graphis bouryi (Cossmann, 1888) † (basionym)
    2. Species Aclis (Graphis) farolita F. Nordsieck, 1969 accepted as Graphis albida (Kanmacher, 1798) (unaccepted > junior subjective synonym)
66. Subgenus Aclis (Rissopsis) Garrett, 1873 accepted as Rissopsis Garrett, 1873
    1. Species Aclis (Rissopsis) hyalina F. W. Hutton, 1884 (uncertain > taxon inquirendum)
67. Subgenus Aclis (Stilbe) Jeffreys, 1884 accepted as Parastilbe Cossmann, 1900
    1. Species Aclis (Stilbe) neglecta A. W. Janssen, 1969 † accepted as Cima neglecta (A. W. Janssen, 1969) † (basionym)
    2. Species Aclis (Stilbe) proneglecta R. Janssen, 1978 † accepted as Cima proneglecta (R. Janssen, 1978) † (basionym)
68. Species Aclis acuminata (G. B. Sowerby II, 1844) accepted as Acrilla acuminata (G. B. Sowerby II, 1844)
69. Species Aclis acuta (Jeffreys, 1884) accepted as Parastilbe acuta (Jeffreys, 1884)
70. Species Aclis africana (Bartsch, 1915) accepted as Graphis africana Bartsch, 1915
71. Species Aclis atemeles Melvill, 1896 accepted as Pseudonoba atemeles (Melvill, 1896) (unaccepted > superseded combination)
72. Species Aclis beddomei Dautzenberg, 1912 accepted as Acliceratia beddomei (Dautzenberg, 1912)
73. Species Aclis bermudensis Dall & Bartsch, 1911 accepted as Murchisonella spectrum (Mörch, 1875)
74. Species Aclis bilirata de Folin, 1873 accepted as Hamarilla amoebaea (R. B. Watson, 1886) (dubious synonym)
75. Species Aclis carinata E. A. Smith, 1872 accepted as Acliceratia carinata (E. A. Smith, 1872) (unaccepted > superseded combination)
76. Species Aclis carolinensis Bartsch, 1911 accepted as Aclis sarissa R. B. Watson, 1881 (unaccepted > junior subjective synonym)
77. Species Aclis columnaria May, 1911 accepted as Epigrus columnaria (May, 1911) (original combination)
78. Species Aclis costellata F. W. Hutton, 1885 † accepted as Zeradina costellata (F. W. Hutton, 1885) † (superseded combination)
79. Species Aclis dalli Bartsch, 1911 accepted as Aclis sarissa R. B. Watson, 1881 (unaccepted > junior subjective synonym)
80. Species Aclis discreta Fenaux, 1938 † accepted as Graphis discreta (Fenaux, 1938) † (unaccepted > superseded combination)
81. Species Aclis egregia Dall, 1889 accepted as Costaclis egregia (Dall, 1889) (original combination)
82. Species Aclis farolita F. Nordsieck, 1969 accepted as Graphis albida (Kanmacher, 1798) (unaccepted > junior subjective synonym)
83. Species Aclis fernandinae Dall, 1927 accepted as Aclis tenuis A. E. Verrill, 1882
84. Species Aclis fusiformis P. P. Carpenter, 1857 accepted as Onoba fusiformis (P. P. Carpenter, 1856) (unaccepted > superseded combination)
85. Species Aclis georgiana Dall, 1927 accepted as Hemiaclis georgiana (Dall, 1927)
86. Species Aclis hyalina R. B. Watson, 1881 accepted as Costaclis hyalina (R. B. Watson, 1881) (unaccepted > superseded combination)
87. Species Aclis jeffreysii Tryon, 1887 accepted as Graphis striata (Jeffreys, 1884) (synonym)
88. Species Aclis kermadecensis Knudsen, 1964 accepted as Crinolamia kermadecensis (Knudsen, 1964) (superseded combination)
89. Species Aclis labiata A. Adams, 1860 accepted as Cyclonidea labiata (A. Adams, 1860) (original combination)
90. Species Aclis lata Dall, 1889 accepted as Umbilibalcis lata (Dall, 1889) (unaccepted > superseded combination)
91. Species Aclis lineata Monterosato, 1869 accepted as Fusceulima lineata (Monterosato, 1869) (original combination)
92. Species Aclis micra Petterd, 1884 accepted as Koloonella micra (Petterd, 1884) (original combination)
93. Species Aclis minor G. Seguenza, 1876 † accepted as Aclis latior G. Seguenza, 1876 † (invalid: junior secondary homonym of Aclis minor (Brown, 1827)
94. Species Aclis mizon R. B. Watson, 1881 accepted as Costaclis mizon (R. B. Watson, 1881) (unaccepted > superseded combination)
95. Species Aclis monolirata de Folin, 1873 accepted as Ebalina monolirata (de Folin, 1873) (original combination)
96. Species Aclis muchia Locard, 1896 accepted as Aclis mizon R. B. Watson, 1881 accepted as Costaclis mizon (R. B. Watson, 1881) (unaccepted > unjustified emendation)
97. Species Aclis neglecta A. W. Janssen, 1969 † accepted as Cima neglecta (A. W. Janssen, 1969) † (original combination)
98. Species Aclis nucleata Dall, 1889 accepted as Costaclis hyalina (R. B. Watson, 1881) (unaccepted > junior subjective synonym)
99. Species Aclis occidentalis (Hemphill, 1894) accepted as Murchisonella occidentalis (Hemphill, 1894)
100. Species Aclis pellucida Gatliff & Gabriel, 1911 accepted as Graphis pellucida (Gatliff & Gabriel, 1911) (original combination)
101. Species Aclis pendata Dall, 1927 accepted as Aclis stilifer Dall, 1927
102. Species Aclis polita A. E. Verrill, 1872 accepted as Eulimella polita (A. E. Verrill, 1872) (original combination)
103. Species Aclis proneglecta R. Janssen, 1978 † accepted as Cima proneglecta (R. Janssen, 1978) † (original combination)
104. Species Aclis scalaris (Talavera, 1975) accepted as Aclis talaverai Brunetti & Cresti, 2018
105. Species Aclis semireticulata Murdoch & Suter, 1906 accepted as Pusillina semireticulata (Murdoch & Suter, 1906) accepted as Haurakia semireticulata (Murdoch & Suter, 1906) accepted as Alvania semireticulata (Murdoch & Suter, 1906) (superseded combination)
106. Species Aclis striata A. E. Verrill, 1880 accepted as Odostomia striata (A. E. Verrill, 1880)
107. Species Aclis succincta Suter, 1908 accepted as Brookesena succincta (Suter, 1908)
108. Species Aclis supranitida (S. V. Wood, 1842) accepted as Aclis minor (T. Brown, 1827) (synonym)
109. Species Aclis tanneri (Bartsch, 1947) accepted as Aclis tenuis A. E. Verrill, 1882
110. Species Aclis tenuistriata G. B. Sowerby III, 1892 accepted as Acliceratia tenuistriata (G. B. Sowerby III, 1892) (original combination)
111. Species Aclis tricarinata R. B. Watson, 1897 accepted as Pseudoscilla bilirata (de Folin, 1870) (unaccepted > junior subjective synonym)
112. Species Aclis trilirata de Folin, 1873 accepted as Teretianax trilirata (de Folin, 1873) (unaccepted > superseded combination)
113. Species Aclis turella Fenaux, 1938 † accepted as Bouryiscala turella (Fenaux, 1938) † (unaccepted > superseded combination)
114. Species Aclis turrita (P. P. Carpenter, 1864) accepted as Alabina turrita (P. P. Carpenter, 1866)
115. Species Aclis turrita Petterd, 1884 accepted as Koloonella turrita (Petterd, 1884) (original combination)
116. Species Aclis unica (Montagu, 1803) accepted as Graphis albida (Kanmacher, 1798) (unaccepted > superseded combination, also subjective junior synonym)
117. Species Aclis ventrosa Friele, 1876 accepted as Hemiaclis ventrosa (Friele, 1876) (original combination)
118. Species Aclis venusta de Folin, 1872 accepted as Pyramidellidae incertae sedis venusta (de Folin, 1872)
119. Species Aclis verduini van Aartsen, Menkhorst & E. Gittenberger, 1984 accepted as Aclis trilineata R. B. Watson, 1897 (unaccepted > junior subjective synonym)
120. Species Aclis verrilli Bartsch, 1911 accepted as Aclis tenuis A. E. Verrill, 1882
121. Species Aclis vixornata de Folin, 1878 accepted as Ebalina vixornata (de Folin, 1878) (original combination)
122. Subgenus Aclis (Amblyspira) Dall, 1896 † (uncertain > unassessed)
     1. Species Aclis (Amblyspira) immaculata Dall, 1927 accepted as Aclis immaculata Dall, 1927 (unaccepted > superseded combination)
     2. Species Aclis (Amblyspira) teres Guppy, 1896 † (uncertain > unassessed)
123. Species Aclis acuminata Guppy, 1896 † (uncertain > unassessed)
124. Species Aclis angulata P. Fischer, 1869 (uncertain > taxon inquirendum)
125. Species Aclis beltista Melvill, 1904 (uncertain > taxon inquirendum)
126. Species Aclis cingulata A. Adams, 1860 (uncertain > taxon inquirendum)
127. Species Aclis constantinensis de Boury, 1902 † (uncertain, status in recent literature not researched)
128. Species Aclis crenulata de Folin, 1879 (uncertain > taxon inquirendum)
129. Species Aclis crystallina A. Adams, 1851 (uncertain, use in recent literature not researched by editor)
130. Species Aclis dialytospira de Boury, 1902 † (uncertain, status in recent literature not researched)
131. Species Aclis dumasi de Boury, 1902 † (uncertain, status in recent literature not researched)
132. Species Aclis exaereta Melvill, 1898 (uncertain > unassessed)
133. Species Aclis fulgida A. Adams, 1861 (uncertain, use in recent literature not established by editor)
134. Species Aclis gallica de Boury, 1912 † (uncertain, status in recent literature not researched by editor)
135. Species Aclis helecteroides Guppy, 1867 † (uncertain > unassessed)
136. Species Aclis hypergonia Schwengel & T. L. McGinty (uncertain > taxon inquirendum)
137. Species Aclis lirata A. Adams, 1860 (uncertain, use in recent literature not established by editor)
138. Species Aclis loveni M. Hörnes, 1856 † (uncertain > taxon inquirendum)
139. Species Aclis minutissima R. B. Watson, 1886 (uncertain > taxon inquirendum)
140. Species Aclis polita Gabb, 1873 † (uncertain > unassessed)
141. Species Aclis sulcata A. Adams, 1860 (uncertain > unassessed, use in recent literature not established by editor)
142. Species Aclis thesauraria Melvill, 1904 (uncertain > unassessed, use in recent literature not established by editor)
143. Species Aclis trilirata O. Boettger, 1902 † (uncertain > unassessed, junior homonym of Aclis trilirata de Folin, 1873)
144. Species Aclis unilineata G. B. Sowerby III, 1894 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)

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