1. Subgenus Drillia (Austrodrillia) Hedley, 1918 accepted as Austrodrillia Hedley, 1918
2. Subgenus Drillia (Brachytoma) Swainson, 1840 accepted as Brachytoma Swainson, 1840 (unaccepted > superseded rank)
3. Subgenus Drillia (Cerodrillia) Bartsch & Rehder, 1939 accepted as Cerodrillia Bartsch & Rehder, 1939
4. Subgenus Drillia (Clathrodrillia) Dall, 1918 accepted as Clathrodrillia Dall, 1918
5. Subgenus Drillia (Clavus) Montfort, 1810 accepted as Clavus Montfort, 1810
6. Subgenus Drillia (Crassispira) Swainson, 1840 accepted as Crassispira Swainson, 1840
7. Subgenus Drillia (Cymatosyrinx) Dall, 1889 accepted as Cymatosyrinx Dall, 1889 (original rank)
8. Subgenus Drillia (Drillia) J. E. Gray, 1838 accepted as Drillia J. E. Gray, 1838
9. Subgenus Drillia (Drilliola) Locard, 1897 † accepted as Drilliola Locard, 1897 (unaccepted > superseded rank)
10. Subgenus Drillia (Haedropleura) Bucquoy, Dautzenberg & Dollfus, 1883 accepted as Haedropleura Bucquoy, Dautzenberg & Dollfus, 1883
11. Subgenus Drillia (Pseudodrillia) Luković, 1924 †
12. Subgenus Drillia (Tripia) de Gregorio, 1890 † represented as Drillia J. E. Gray, 1838
13. Species Drillia aberrans Koenen, 1890 † accepted as Asthenotoma aberrans (Koenen, 1890) † (unaccepted > superseded combination)
14. Species Drillia acapulcana (H. N. Lowe, 1935)
15. Species Drillia acaulis Koenen, 1890 † (uncertain > unassessed)
16. Species Drillia accinellii Hornung, 1920 † accepted as Ingaunoturricula accinellii (Hornung, 1920) † (unaccepted > superseded combination)
17. Species Drillia acestra Dall, 1889 accepted as Compsodrillia acestra (Dall, 1889) (original combination)
18. Species Drillia achatina Verco, 1909 accepted as Austrodrillia dimidiata (G. B. Sowerby III, 1896) (synonym)
19. Species Drillia acrybia Dall, 1889 accepted as Inodrillia acrybia (Dall, 1889) (original combination)
20. Species Drillia actinocycla Dall & C. T. Simpson, 1901 accepted as Strombus pugilis Linnaeus, 1758 (unaccepted > junior subjective synonym, Described from the protoconch and early whorls of Strombus pugilis)
21. Species Drillia acucincta Dall, 1890 † accepted as Mangelia acucincta (Dall, 1890) † (unaccepted > superseded combination)
22. Species Drillia acuminata (Mighels, 1845) (uncertain > taxon inquirendum)
23. Species Drillia acurugata Dall, 1890 † accepted as Strictispira acurugata (Dall, 1890) † (unaccepted > superseded combination)
24. Species Drillia adela Cossmann & Pissaro, 1909 † accepted as Eopleurotoma adela (Cossmann & Pissaro, 1909) † (unaccepted > superseded combination)
25. Species Drillia aegyptiaca Cossmann, 1900 †
26. Species Drillia aemula Angas, 1877 accepted as Inquisitor aemula (Angas, 1877) (original combination)
27. Species Drillia aepynota Dall, 1889 accepted as Inodrillia aepynota (Dall, 1889) (unaccepted > superseded combination)
28. Species Drillia aequistriata F. W. Hutton, 1885 † accepted as Splendrillia aequistriata (F. W. Hutton, 1885) † (superseded combination)
29. Species Drillia aerope (Dall, 1919)
30. Species Drillia aesopus Schepman, 1913 accepted as Inquisitor aesopus (Schepman, 1913) (original combination)
31. Species Drillia agnewi Tenison Woods, 1879 accepted as Vexitomina coxi (Angas, 1867)
32. Species Drillia agrestis Verco, 1909 accepted as Austrodrillia agrestis (Verco, 1909) (superseded combination)
33. Species Drillia alabaster (Reeve, 1843) accepted as Inquisitor alabaster (Reeve, 1843)
34. Species Drillia alata H. Adams & A. Adams, 1853 (unaccepted > nomen nudum)
35. Species Drillia albanyana W. H. Turton, 1932 accepted as Striatoguraleus thetis (E. A. Smith, 1904) (possible junior synonym)
36. Species Drillia albemarlensis Pilsbry & Vanatta, 1902 accepted as Kylix rugifera (G. B. Sowerby I, 1834) (unaccepted > junior subjective synonym)
37. Species Drillia albicoma Dall, 1889 accepted as Neodrillia albicoma (Dall, 1889) (unaccepted > superseded combination)
38. Species Drillia albicostata (G. B. Sowerby I, 1834)
39. Species Drillia albiguttata Pilsbry, 1904 accepted as Pilsbryspira albiguttata (Pilsbry, 1904) (original combination)
40. Species Drillia albinodata (Reeve, 1846) accepted as Pilsbryspira albinodata (Reeve, 1846)
41. Species Drillia albomaculata (C. B. Adams, 1845)
42. Species Drillia albonodosa P. P. Carpenter, 1857 accepted as Compsodrillia albonodosa (P. P. Carpenter, 1857) (unaccepted > superseded combination)
43. Species Drillia albonodulosa E. A. Smith, 1904 accepted as Psittacodrillia albonodulosa (E. A. Smith, 1904) (original combination)
44. Species Drillia albotessellata E. A. Smith, 1906 accepted as Nquma rousi (G. B. Sowerby III, 1886)
45. Species Drillia albovallosa P. P. Carpenter, 1857 accepted as Crassispira rudis (G. B. Sowerby I, 1834) (unaccepted > junior subjective synonym)
46. Species Drillia alcyonea Melvill & Standen, 1901
47. Species Drillia alesidota Dall, 1889 accepted as Hindsiclava alesidota (Dall, 1889) (unaccepted > superseded combination)
48. Species Drillia allioni Foresti, 1876 † accepted as Turricula allioni (Foresti, 1876) † (unaccepted > superseded combination)
49. Species Drillia allionii (Bellardi, 1875) † accepted as Stenodrillia allionii (Bellardi, 1875) †
50. Species Drillia alluaudi Dautzenberg, 1932 accepted as Paradrillia alluaudi (Dautzenberg, 1932) (original combination)
51. Species Drillia altispira Sysoev, 1996
52. Species Drillia amblytera (K. J. Bush, 1893) accepted as Inodrillia amblytera (K. J. Bush, 1893) (unaccepted > superseded combination)
53. Species Drillia ancilla Thiele, 1925 accepted as Orrmaesia ancilla (Thiele, 1925) (original combination)
54. Species Drillia angolensis Odhner, 1923
55. Species Drillia angriasensis (Melvill, 1898)
56. Species Drillia annielonae Nolf & Verstraeten, 2007
57. Species Drillia anthamilla Melvill, 1923 accepted as Hindsiclava chazaliei (Dautzenberg, 1900) accepted as Crassispira chazaliei (Dautzenberg, 1900) (junior synonym)
58. Species Drillia antiselli F. M. Anderson & B. Martin, 1914 † accepted as Xenuroturris antiselli (F. M. Anderson & B. Martin, 1914) † (unaccepted > superseded combination)
59. Species Drillia aphanitoma Dall, 1892 † accepted as Sediliopsis aphanitoma (Dall, 1892) † (unaccepted > superseded combination)
60. Species Drillia apicarinata P. Marshall & Murdoch, 1923 † accepted as Aoteadrillia apicarinata (P. Marshall & Murdoch, 1923) † (superseded combination)
61. Species Drillia appressa P. P. Carpenter, 1864 accepted as Crassispira appressa (P. P. Carpenter, 1864) (unaccepted > superseded combination)
62. Species Drillia aquaensis Olsson, 1922 †
63. Species Drillia aquanica Olsson, 1922 †
64. Species Drillia arata Conrad, 1862 † accepted as Splendrillia arata (Conrad, 1862) † (unaccepted > superseded combination)
65. Species Drillia armilla Barnard, 1958
66. Species Drillia armoricensis Cossmann, 1896 † (uncertain > unassessed)
67. Species Drillia asra Thiele, 1925
68. Species Drillia astuta Yokoyama, 1928 † accepted as Paradrillia astuta (Yokoyama, 1928) † (unaccepted > superseded combination)
69. Species Drillia asukana Yokoyama, 1926 † accepted as Kuroshioturris asukana (Yokoyama, 1926) † (unaccepted > superseded combination)
70. Species Drillia athenais Bellardi, 1877 †
71. Species Drillia athyrma Melvill & Standen, 1901
72. Species Drillia atkinsoni Tenison Woods, 1876 accepted as Etrema denseplicata (Dunker, 1871) (unaccepted > junior subjective synonym)
73. Species Drillia auberti E. Lamy, 1934 accepted as Pilsbryspira auberti (E. Lamy, 1934) (unaccepted > superseded combination)
74. Species Drillia audax Melvill & Standen, 1903
75. Species Drillia aurantia Olsson, 1922 † (accepted > unreplaced junior homonym)
76. Species Drillia aurora Thiele, 1925 accepted as Splendrillia aurora (Thiele, 1925) (original combination)
77. Species Drillia bairstowi (G. B. Sowerby III, 1886) accepted as Psittacodrillia bairstowi (G. B. Sowerby III, 1886)
78. Species Drillia ballista Maltzan, 1883
79. Species Drillia balnearum (Boussac, 1911) †
80. Species Drillia bandata Nowell-Usticke, 1971 accepted as Crassispira latizonata (E. A. Smith, 1882) (Invalid: unnecessary replacement name for Drillia virgata Nowell-Usticke, 1969, incorrectly assumed to be preoccupied)
81. Species Drillia barkliensis H. Adams, 1869
82. Species Drillia batjanensis Schepman, 1913 accepted as Otitoma batjanensis (Schepman, 1913) (original combination)
83. Species Drillia bawangana (O. Boettger, 1883) †
84. Species Drillia bealiana (Schwengel & T. L. McGinty, 1942) accepted as Douglassia bealiana Schwengel & T. L. McGinty, 1942
85. Species Drillia bednalli G. B. Sowerby III, 1896 accepted as Splendrillia bednalli (G. B. Sowerby III, 1896) (original combination)
86. Species Drillia belahubbardi Maury, 1925 † (uncertain > unassessed)
87. Species Drillia bella Conrad, 1862 † accepted as Sedilia bella (Conrad, 1862) † (unaccepted > superseded combination)
88. Species Drillia bellardii (Desmoulins, 1842) † accepted as Stenodrillia bellardii (Desmoulins, 1842) † (unaccepted > superseded combination)
89. Species Drillia belloides Olsson, 1916 † accepted as Clathrodrillia belloides (Olsson, 1916) † (unaccepted > superseded combination)
90. Species Drillia belotheca Dall, 1915 † accepted as Crassispira sella (Dall, 1915) † (unaccepted > junior subjective synonym)
91. Species Drillia benoisti Bellardi, 1877 † (uncertain > unassessed)
92. Species Drillia berryi J. H. McLean & Poorman, 1971 accepted as Clathrodrillia berryi (J. H. McLean & Poorman, 1971) (unaccepted > superseded combination)
93. Species Drillia biarritzensis Boussac, 1911 † accepted as Crassispira biarritzensis (Boussac, 1911) †
94. Species Drillia bicingulata (F. Sandberger, 1862) † accepted as Microdrillia bicingulata (F. Sandberger, 1860) † (unaccepted > superseded combination)
95. Species Drillia bicolor Gray, 1838 (uncertain > nomen dubium)
96. Species Drillia bifida Bellardi, 1877 † accepted as Crassispira bifida (Bellardi, 1877) † (unaccepted > superseded combination)
97. Species Drillia bifilosa Bellardi, 1877 † accepted as Paradrilliola bifilosa (Bellardi, 1877) † (unaccepted > superseded combination)
98. Species Drillia bigemma Dall, 1890 † accepted as Monilispira bigemma (Dall, 1890) † (unaccepted > superseded combination)
99. Species Drillia blacki (Petuch, 2004) accepted as Fenimorea moseri (Dall, 1889)
100. Species Drillia blakensis Tippett, 2007 accepted as Neodrillia blakensis (Tippett, 2007) (original combination)
101. Species Drillia bocasensis Olsson, 1922 †
102. Species Drillia bocatoroensis Olsson, 1922 † accepted as Carinodrillia bocatoroensis (Olsson, 1922) † (unaccepted > superseded combination)
103. Species Drillia boettgeri K. Martin, 1914 † accepted as Amuletum boettgeri (K. Martin, 1914)
104. Species Drillia bonneti Cossmann, 1900 †
105. Species Drillia bouryi Cossmann, 1889 † accepted as Crassispira bouryi (Cossmann, 1889) † (unaccepted > superseded combination)
106. Species Drillia bracaccinii Brunet, 1995 †
107. Species Drillia braziliensis E. A. Smith, 1915 accepted as Carinodrillia braziliensis (E. A. Smith, 1915) (original combination)
108. Species Drillia brevispira Bellardi, 1877 † (uncertain > unassessed)
109. Species Drillia brocchii (Bellardi & Michelotti, 1840) † accepted as Crassispira brocchii (Bellardi & Michelotti, 1840) † (unaccepted > superseded combination)
110. Species Drillia brongniarti Bellardi, 1877 † (uncertain > unassessed)
111. Species Drillia bruchia Barnard, 1958
112. Species Drillia bruuni Knudsen, 1952
113. Species Drillia burnupi (G. B. Sowerby III, 1897) accepted as Clavus burnupi (G. B. Sowerby III, 1897)
114. Species Drillia buwaldana F. M. Anderson & B. Martin, 1914 † accepted as Turricula buwaldana (F. M. Anderson & B. Martin, 1914) † (unaccepted > superseded combination)
115. Species Drillia caffra (E. A. Smith, 1882)
116. Species Drillia calligona Maury, 1910 † accepted as Crassispira calligona (Maury, 1910) † (unaccepted > superseded combination)
117. Species Drillia callimorpha Suter, 1917 † accepted as Aoteadrillia callimorpha (Suter, 1917) † (superseded combination)
118. Species Drillia callistopleura Pilsbry & C. W. Johnson, 1917 †
119. Species Drillia callistura Pilsbry & C. W. Johnson, 1917 † accepted as Crassispira callistura (Pilsbry & C. W. Johnson, 1917) † (unaccepted > superseded combination)
120. Species Drillia calurii De Stefani & Pantanelli, 1879 † accepted as Crassispira calurii (De Stefani & Pantanelli, 1879) † (unaccepted > superseded combination)
121. Species Drillia calvertensis G. C. Martin, 1904 † accepted as Sediliopsis calvertensis (G. C. Martin, 1904) † (unaccepted > superseded combination)
122. Species Drillia calvimontensis Cossmann, 1889 † (uncertain, status in recent literature not researched by editor)
123. Species Drillia cancellata P. P. Carpenter, 1864 accepted as Ophiodermella cancellata (P. P. Carpenter, 1864) (original combination)
124. Species Drillia candens E. A. Smith, 1879 accepted as Clavus candens (E. A. Smith, 1879) (original combination)
125. Species Drillia capta E. A. Smith, 1899
126. Species Drillia captiva E. A. Smith, 1899
127. Species Drillia carinulata Bellardi, 1877 † accepted as Helicodrillia carinulata (Bellardi, 1877) † (unaccepted > superseded combination)
128. Species Drillia carmen G. B. Sowerby III, 1916 accepted as Inquisitor carmen (G. B. Sowerby III, 1916) (original combination)
129. Species Drillia carnicolor Hervier, 1896 accepted as Otitoma carnicolor (Hervier, 1896) (original combination)
130. Species Drillia carruca Olsson, 1922 † (uncertain > unassessed)
131. Species Drillia catullii Bellardi, 1877 † (uncertain > unassessed)
132. Species Drillia cecchii Jousseaume, 1891
133. Species Drillia celebensis Schepman, 1907 †
134. Species Drillia centimata Dall, 1889 accepted as Spirotropis centimata (Dall, 1889) (original combination)
135. Species Drillia centrodes J. A. Gardner, 1938 † accepted as Eumetadrillia centrodes (J. A. Gardner, 1938) † (unaccepted > superseded combination)
136. Species Drillia cercadensis Maury, 1917 †
137. Species Drillia cerithoidea P. P. Carpenter, 1857 accepted as Crassispira cerithoidea (P. P. Carpenter, 1857) (original combination)
138. Species Drillia chaaci Espinosa & Rolán, 1995 accepted as Fenimorea chaaci (Espinosa & Rolán, 1995) (original combination)
139. Species Drillia chazaliei Dautzenberg, 1900 accepted as Crassispira chazaliei (Dautzenberg, 1900) (original combination)
140. Species Drillia cheesemani F. W. Hutton, 1878 accepted as Phenatoma zealandicum (E. A. Smith, 1877) (junior subjective synonym)
141. Species Drillia chehalisensis C. E. Weaver, 1912 † accepted as Priscofusus chehalisensis (C. E. Weaver, 1912) † (unaccepted > superseded combination)
142. Species Drillia chimastrum Melvill, 1917
143. Species Drillia chiriguiensis Olsson, 1922 †
144. Species Drillia chordata Suter, 1908 accepted as Aoteadrillia wanganuiensis (F. W. Hutton, 1873) (junior subjective synonym)
145. Species Drillia circumvertens Melvill & Standen, 1901 accepted as Microdrillia circumvertens (Melvill & Standen, 1901) (original combination)
146. Species Drillia citria Olsson, 1922 †
147. Species Drillia clathrata Gray, 1838 (uncertain > nomen dubium)
148. Species Drillia claudoni Dautzenberg, 1900 accepted as Glyphostoma claudoni (Dautzenberg, 1900) (original combination)
149. Species Drillia cliffensis M. A. Hanna, 1927 †
150. Species Drillia clionellaeformis (Weinkauff, 1876)
151. Species Drillia clydonia Melvill & Standen, 1901 accepted as Splendrillia clydonia (Melvill & Standen, 1901) (original combination)
152. Species Drillia coccinata (Reeve, 1845) accepted as Splendrillia coccinata (Reeve, 1845)
153. Species Drillia coccos Olsson, 1922 †
154. Species Drillia cocosina Olsson, 1922 †
155. Species Drillia coercita Bellardi, 1877 † (uncertain > unassessed)
156. Species Drillia cognata Bellardi, 1877 † (uncertain > unassessed)
157. Species Drillia collaborata Staadt, 1909 †
158. Species Drillia collectiva Noszky, 1936 †
159. Species Drillia collina Barnard, 1958
160. Species Drillia columbiana F. M. Anderson & B. Martin, 1914 † (unaccepted > superseded combination)
161. Species Drillia commenticus Hedley, 1915 (unaccepted)
162. Species Drillia condominia Dall, 1915 † (unaccepted > superseded combination)
163. Species Drillia confraga Bellardi, 1877 † (uncertain > unassessed)
164. Species Drillia confusa G. Seguenza, 1880 (unaccepted > superseded combination)
165. Species Drillia connelli Kilburn, 1988
166. Species Drillia conradiana Olsson, 1914 † (unaccepted > superseded combination)
167. Species Drillia consanguinea Peyrot, 1938 † (unaccepted > junior subjective synonym)
168. Species Drillia consociata (E. A. Smith, 1877) (unaccepted)
169. Species Drillia consors (G. B. Sowerby I, 1850) † (unaccepted > superseded combination)
170. Species Drillia constantinensis Cossmann & Pissaro, 1900 † (unaccepted > superseded combination)
171. Species Drillia continua Melvill & Standen, 1903
172. Species Drillia continuecostata K. Martin, 1914 † (unaccepted)
173. Species Drillia convexa Klushnikov, 1958 † (accepted > unreplaced junior homonym, invalid: not Vredenburg, 192 1)
174. Species Drillia cooperi Dickerson, 1916 † (unaccepted > superseded combination)
175. Species Drillia cornelliana Olsson, 1916 † (unaccepted > superseded combination)
176. Species Drillia coryphodes J. A. Gardner, 1938 †
177. Species Drillia costae Bellardi, 1877 † (uncertain > unassessed)
178. Species Drillia costicapitata Verco, 1909 (unaccepted > superseded combination)
179. Species Drillia costifer Suter, 1917 † (unaccepted, superseded combination)
180. Species Drillia coxi Angas, 1867 (unaccepted > superseded combination)
181. Species Drillia crandalli Maury, 1925 †
182. Species Drillia cratista Melvill, 1927 (uncertain, use in recent literature not established by editor)
183. Species Drillia crebrespirata Verco, 1909 (unaccepted)
184. Species Drillia crebricosta Bellardi, 1877 † (uncertain > unassessed)
185. Species Drillia crebristriata Bellardi, 1877 † (uncertain > unassessed)
186. Species Drillia crenularis (Lamarck, 1816) (unaccepted)
187. Species Drillia crenularoides Pritchard, 1896 † (unaccepted, superseded combination)
188. Species Drillia crispata (De Cristofori & Jan, 1832) † (unaccepted > superseded combination)
189. Species Drillia cristobali Olsson, 1922 †
190. Species Drillia cubana Melvill, 1923 (unaccepted > superseded combination)
191. Species Drillia cunninghamae J. H. McLean & Poorman, 1971
192. Species Drillia curiosa L. C. King, 1953 †
193. Species Drillia cuyoensis Bozzetti, 2020
194. Species Drillia cydia (Bartsch, 1943) (unaccepted > junior subjective synonym)
195. Species Drillia cygnea Melvill & Standen, 1897 (unaccepted, original combination)
196. Species Drillia daditrina Mansfield, 1925 † (uncertain > unassessed)
197. Species Drillia dainichiensis Yokoyama, 1923 † (unaccepted > superseded combination)
198. Species Drillia dakarensis Knudsen, 1956
199. Species Drillia dalli (A. E. Verrill & S. Smith, 1882) (unaccepted, unaccepted combination)
200. Species Drillia dautzenbergi Tippett, 1995 (unaccepted, original combination)
201. Species Drillia decemplicata Vredenburg, 1921 †
202. Species Drillia decenna Dall, 1908 (unaccepted > junior subjective synonym)
203. Species Drillia denseplicata Dunker, 1871 (unaccepted, original combination)
204. Species Drillia densistria Koenen, 1890 †
205. Species Drillia denticulata Bellardi, 1877 †
206. Species Drillia detecta (Dall, 1881) (unaccepted, invalid: not Desmoulins, 1842)
207. Species Drillia diasi Barnard, 1958
208. Species Drillia diazica Maury, 1920 †
209. Species Drillia dilecta Hedley, 1903 (unaccepted, original combination)
210. Species Drillia dimidiata G. B. Sowerby III, 1896 (unaccepted, original combination)
211. Species Drillia distans Conrad, 1862 † (unaccepted > junior objective synonym, invalid: not Conrad, 1860)
212. Species Drillia distans Conrad, 1860 † (uncertain > unassessed)
213. Species Drillia distincta Thiele, 1925 (unaccepted)
214. Species Drillia distinguenda Bellardi, 1877 † (uncertain > unassessed)
215. Species Drillia diversa (E. A. Smith, 1882) (unaccepted)
216. Species Drillia dives Melvill & Standen, 1903 (uncertain > unassessed, use in recent literature not established by editor)
217. Species Drillia dolorosa Thiele, 1925 (unaccepted, original combination)
218. Species Drillia domgeri Klushnikov, 1958 † (uncertain > unassessed)
219. Species Drillia donalbertonis Maury, 1917 †
220. Species Drillia dorae O. Boettger, 1906 † (unaccepted > superseded combination)
221. Species Drillia dormitor Vredenburg, 1921 † (uncertain > unassessed)
222. Species Drillia dorseyi W. Cooke, 1926 † (uncertain > unassessed)
223. Species Drillia douvillei Basse, 1932 †
224. Species Drillia dovyalis Barnard, 1969
225. Species Drillia drewi J. A. Gardner, 1948 † (unaccepted > superseded combination)
226. Species Drillia dryados Maury, 1910 † (unaccepted > superseded combination)
227. Species Drillia dubusi Cossmann & Pissaro, 1900 †
228. Species Drillia dumasi Cossmann, 1919 †
229. Species Drillia dunkeri (Weinkauff, 1876)
230. Species Drillia dunkeri Knudsen, 1952 (unaccepted)
231. Species Drillia eastoni K. Martin, 1914 † (unaccepted)
232. Species Drillia ebenina Dall, 1890 † (unaccepted > superseded combination)
233. Species Drillia eborea A. Gould, 1860 (uncertain > taxon inquirendum)
234. Species Drillia eburnea P. P. Carpenter, 1865 (unaccepted > superseded combination)
235. Species Drillia eburnea Conrad, 1862 † (unaccepted > superseded combination)
236. Species Drillia echinata (Lamarck, 1816) (unaccepted)
237. Species Drillia ecphorae Olsson, 1916 † (uncertain > unassessed)
238. Species Drillia edilia Dall, 1890 †
239. Species Drillia edulcorata Cossmann & Pissaro, 1900 † (uncertain > unassessed)
240. Species Drillia elachystoma (E. von Martens, 1901) (unaccepted > superseded combination)
241. Species Drillia elocata Pilsbry & C. W. Johnson, 1917 † (unaccepted > superseded combination)
242. Species Drillia elozantha Ravenel, 1861 (unaccepted)
243. Species Drillia emmonsi Olsson, 1916 † (unaccepted > superseded combination)
244. Species Drillia empyrosia Dall, 1899 (unaccepted > superseded combination)
245. Species Drillia enae (Bartsch, 1934) (unaccepted)
246. Species Drillia engerrandi Perrilliat, 1973 †
247. Species Drillia enna (Dall, 1918)
248. Species Drillia enneacyma A. P. Brown & Pilsbry, 1913 † (unaccepted > superseded combination)
249. Species Drillia erepta Barnard, 1969
250. Species Drillia erosa Bellardi, 1877 † (uncertain > unassessed)
251. Species Drillia esculenta Pilsbry & C. W. Johnson, 1917 †
252. Species Drillia estrellana Olsson, 1922 †
253. Species Drillia euchroes Melvill, 1912 (uncertain > unassessed, use in recent literature not established by editor)
254. Species Drillia eucosmia Dall, 1889 (unaccepted > superseded combination)
255. Species Drillia eupatoria Dall, 1915 † (uncertain > unassessed)
256. Species Drillia euphanes Melvill, 1923
257. Species Drillia eupora Dall, 1915 † (uncertain > unassessed)
258. Species Drillia eurysoma J. A. Gardner, 1938 † (uncertain > unassessed)
259. Species Drillia eva Thiele, 1925 (unaccepted > superseded combination)
260. Species Drillia exasperata (Reeve, 1843) (unaccepted)
261. Species Drillia exilis Bellardi, 1877 † (uncertain > unassessed, unreplaced junior homonym)
262. Species Drillia exilis Pease, 1868 (unaccepted, original combination)
263. Species Drillia faasi Klushnikov, 1958 † (uncertain > unassessed)
264. Species Drillia falcicosta Barnard, 1958 (unaccepted, original combination)
265. Species Drillia falsa Barnard, 1958 (unaccepted, original combination)
266. Species Drillia fennemai Wanner & Hahn, 1935 †
267. Species Drillia ferenuda Cossmann, 1900 †
268. Species Drillia flavidula (Lamarck, 1822) (unaccepted)
269. Species Drillia flavonodulosa E. A. Smith, 1879 (unaccepted, original combination)
270. Species Drillia fleenerensis B. Martin, 1914 † (uncertain > unassessed)
271. Species Drillia flucki A. P. Brown & Pilsbry, 1913 (unaccepted, original combination)
272. Species Drillia fortilirata E. A. Smith, 1879 (unaccepted, original combination)
273. Species Drillia fossata (G. B. Sowerby III, 1903) (unaccepted)
274. Species Drillia foveolata Pilsbry & C. W. Johnson, 1917 † (unaccepted > superseded combination)
275. Species Drillia fraga Preston, 1908 (uncertain > taxon inquirendum)
276. Species Drillia fratercula Bellardi, 1877 † (unaccepted > superseded combination)
277. Species Drillia fucata (Reeve, 1845) (unaccepted, unaccepted combination)
278. Species Drillia fugata E. A. Smith, 1895 (unaccepted, original combination)
279. Species Drillia fultoni (G. B. Sowerby III, 1888) (unaccepted)
280. Species Drillia fusconitens G. B. Sowerby III, 1901 (unaccepted, original combination)
281. Species Drillia fusiformis F. W. Hutton, 1877 † (unaccepted, superseded combination)
282. Species Drillia fusinus A. P. Brown & Pilsbry, 1911 † (unaccepted > superseded combination)
283. Species Drillia gabrieli Pritchard & Gatliff, 1899 (unaccepted > junior subjective synonym)
284. Species Drillia ganjamensis Preston, 1910 (uncertain > taxon inquirendum)
285. Species Drillia gastrophila Olsson, 1916 † (uncertain > unassessed)
286. Species Drillia gatunensis Toula, 1909 † (uncertain > taxon inquirendum)
287. Species Drillia georgiana Gabb, 1876 † (unaccepted > junior subjective synonym)
288. Species Drillia ghyooti Nolf, 2008
289. Species Drillia gibberosa Bellardi, 1877 † (uncertain > unassessed)
290. Species Drillia gibberulus (Hervier, 1896)
291. Species Drillia gibbosa (Born, 1778) (unaccepted)
292. Species Drillia glabriuscula Yokoyama, 1922 † (unaccepted > superseded combination)
293. Species Drillia globulifera G. Seguenza, 1880 †
294. Species Drillia gourae Dey, 1962 †
295. Species Drillia grabau Hubbard, 1920 † (unaccepted > junior homonym, junior homonym of Drillia hubbardi Maury, 1910; Drillia belahubbardi Maury, 1925 is replacement name)
296. Species Drillia grabaui Maury, 1910 † (uncertain > unassessed)
297. Species Drillia gracilina Dall, 1903 † (unaccepted > nomen nudum)
298. Species Drillia graciosana Arnold, 1907 † (uncertain > unassessed)
299. Species Drillia granaria (Dujardin, 1837) † (unaccepted)
300. Species Drillia granatella Melvill & Standen, 1903 (unaccepted > superseded combination)
301. Species Drillia gratiosa G. B. Sowerby III, 1896 (unaccepted, original combination)
302. Species Drillia greeleyi Dall, 1901 (unaccepted, original combination)
303. Species Drillia griffithii (Gray, 1843) (unaccepted)
304. Species Drillia grignonensis Cossmann, 1889 † (unaccepted > superseded combination)
305. Species Drillia gundlachi Dall & C. T. Simpson, 1901 (unaccepted > superseded combination)
306. Species Drillia halidoma Bartsch, 1915 (unaccepted, junior synonym)
307. Species Drillia haliostrephis Dall, 1889 (unaccepted > superseded combination)
308. Species Drillia hanleyi P. P. Carpenter, 1857 (unaccepted > junior subjective synonym)
309. Species Drillia harfordiana (Reeve, 1843) † (unaccepted > superseded combination)
310. Species Drillia haswelli Hedley, 1907 (unaccepted, superseded combination)
311. Species Drillia havanensis (Dall, 1881)
312. Species Drillia hecatorguia Verco, 1907 (unaccepted, original combination)
313. Species Drillia hedleyi Verco, 1909 (unaccepted, original combination)
314. Species Drillia henekeni [sic] † (unaccepted > misspelling - incorrect subsequent spelling)
315. Species Drillia hottentota (E. A. Smith, 1882) (unaccepted)
316. Species Drillia howitti Pritchard & Gatliff, 1899 (unaccepted)
317. Species Drillia humilis E. A. Smith, 1879 (unaccepted, original combination)
318. Species Drillia hypermeces Cossmann, 1889 † (unaccepted > superseded combination)
319. Species Drillia hypoglypta Fontannes, 1882 † (unaccepted, original combination)
320. Species Drillia hyugana Yokoyama, 1928 † (unaccepted > superseded combination)
321. Species Drillia icenorum (S. V. Wood, 1872) † (uncertain > unassessed)
322. Species Drillia idalinae P. A. Bernard & Nicolay, 1984
323. Species Drillia imperfecta Suter, 1917 † (unaccepted, superseded combination)
324. Species Drillia inadrina Mansfield, 1925 † (uncertain > unassessed)
325. Species Drillia inaequistriata C.-C. Li, 1930 (unaccepted > junior subjective synonym)
326. Species Drillia incerta (E. A. Smith, 1877) (unaccepted)
327. Species Drillia inchoata (Sturany, 1900)
328. Species Drillia incilifera (Conrad, 1834) †
329. Species Drillia incisa P. P. Carpenter, 1864 (unaccepted)
330. Species Drillia incrassata (Dujardin, 1837) † (unaccepted)
331. Species Drillia incrusta Tenison Woods, 1877 (unaccepted > superseded combination)
332. Species Drillia indra Thiele, 1925
333. Species Drillia inermis (Reeve, 1843) (unaccepted)
334. Species Drillia inexspectata (K. Martin, 1895) †
335. Species Drillia inimica (Dall, 1927) (unaccepted)
336. Species Drillia inniadda Mansfield, 1925 † (uncertain > unassessed)
337. Species Drillia innocens Melvill, 1923 (unaccepted > junior subjective synonym)
338. Species Drillia inornata J. H. McLean & Poorman, 1971
339. Species Drillia insignita Melvill, 1923 (unaccepted > superseded combination)
340. Species Drillia integra Tenison Woods, 1879 † (unaccepted, superseded combination)
341. Species Drillia intermaculata E. A. Smith, 1879 (unaccepted, original combination)
342. Species Drillia interpleura Dall & C. T. Simpson, 1901 (unaccepted > superseded combination)
343. Species Drillia interpunctata (E. A. Smith, 1882) (unaccepted)
344. Species Drillia investigatoris E. A. Smith, 1899
345. Species Drillia ione Melvill & Standen, 1896 (unaccepted, original combination)
346. Species Drillia jaffaensis Verco, 1909 (unaccepted, original combination)
347. Species Drillia janseni Strebel, 1905
348. Species Drillia japonica Lischke, 1869 (unaccepted, original combination)
349. Species Drillia jeffreysii E. A. Smith, 1875 (unaccepted > superseded combination)
350. Species Drillia johnsoni Arnold, 1903 (unaccepted)
351. Species Drillia jousseaumei Dautzenberg, 1900 (unaccepted, original combination)
352. Species Drillia karikalensis Cossmann, 1900 †
353. Species Drillia katiae Nolf, 2006
354. Species Drillia kennicotti Dall, 1871 (unaccepted > superseded combination)
355. Species Drillia kleinrosa Nowell-Usticke, 1969 (unaccepted > superseded combination)
356. Species Drillia knudseni Tippett, 2006
357. Species Drillia kobayashii Yokoyama, 1928 † (unaccepted > superseded combination)
358. Species Drillia koperbergi Schepman, 1907 †
359. Species Drillia kophameli Strebel, 1905
360. Species Drillia kwandangensis Schepman, 1913 (unaccepted, original combination)
361. Species Drillia lacteola Verco, 1909 (unaccepted > superseded combination)
362. Species Drillia laevis (F. W. Hutton, 1873) (unaccepted, synonym)
363. Species Drillia lara Bartsch, 1915 (unaccepted)
364. Species Drillia laterculoides Barnard, 1958 (unaccepted, original combination)
365. Species Drillia latiriformis Melvill, 1923 (unaccepted > superseded combination)
366. Species Drillia latisulcata Bellardi, 1877 † (uncertain > taxon inquirendum)
367. Species Drillia latisulcus Barnard, 1958
368. Species Drillia lauta Pease, 1868 (unaccepted)
369. Species Drillia layardi (G. B. Sowerby III, 1897) (unaccepted)
370. Species Drillia lea Thiele, 1925
371. Species Drillia legrandi C. E. Beddome, 1883 (unaccepted, original combination)
372. Species Drillia leucocyma Dall, 1884 (unaccepted, original combination)
373. Species Drillia levanderi Sturany, 1905
374. Species Drillia lignaria (G. B. Sowerby III, 1903)
375. Species Drillia limonetta Olsson, 1922 † (unaccepted)
376. Species Drillia limonitella Dall, 1884 (unaccepted, original combination)
377. Species Drillia lissotropis (Dall, 1881) † (unaccepted > superseded combination)
378. Species Drillia lithoria Melvill & Standen, 1903 (unaccepted > superseded combination)
379. Species Drillia longispira E. A. Smith, 1879 (unaccepted, original combination)
380. Species Drillia longiuscula Bellardi, 1877 † (uncertain > taxon inquirendum)
381. Species Drillia lucida G. Nevill & H. Nevill, 1875 (unaccepted, original combination)
382. Species Drillia lyallensis Murdoch, 1905 (unaccepted, superseded combination)
383. Species Drillia macilenta (Melvill, 1923) (unaccepted, based on an invalid original name)
384. Species Drillia macleani J. K. Tucker, 1992
385. Species Drillia maculomarginata Kilburn & Stahlschmidt, 2012
386. Species Drillia madurensis Schepman, 1913 (unaccepted, original combination)
387. Species Drillia magnoliana Olsson, 1916 † (unaccepted > superseded combination)
388. Species Drillia mantovanii Bellardi, 1877 † (uncertain > taxon inquirendum)
389. Species Drillia manzanillaensis Mansfield, 1925 † (uncertain > unassessed)
390. Species Drillia manzanillica Maury, 1925 † (uncertain > unassessed)
391. Species Drillia maorum (E. A. Smith, 1877) (unaccepted, junior subjective synonym)
392. Species Drillia mariesi Melvill & Standen, 1897 (uncertain > taxon inquirendum)
393. Species Drillia marmarina (R. B. Watson, 1881) (unaccepted > superseded combination)
394. Species Drillia martini Cossmann, 1896 †
395. Species Drillia mastersi Brazier, 1876 (unaccepted, original combination)
396. Species Drillia matheroni Bellardi, 1877 † (unaccepted > superseded combination)
397. Species Drillia mausseneti Cossmann, 1889 † (unaccepted > superseded combination)
398. Species Drillia melonesiana Dall & C. T. Simpson, 1901 (unaccepted > superseded combination)
399. Species Drillia meridiana Perugia & Prelle, 2012
400. Species Drillia merriami Arnold, 1903 † (unaccepted, original combination)
401. Species Drillia metcalfei Angas, 1867 (unaccepted > superseded combination)
402. Species Drillia michelottii (Bellardi, 1847) †
403. Species Drillia minahassae Schepman, 1907 †
404. Species Drillia minuta Tenison Woods, 1877 (unaccepted, superseded combination)
405. Species Drillia minutissima Garrett, 1873 (unaccepted, original combination)
406. Species Drillia moesta P. P. Carpenter, 1864 (unaccepted, original combination)
407. Species Drillia molengraaffi K. Martin, 1916 † (unaccepted, original combination)
408. Species Drillia monilifera P. P. Carpenter, 1857 (unaccepted, original combination)
409. Species Drillia monodi Knudsen, 1952
410. Species Drillia monterosatoi De Stefani & Pantanelli, 1879 † (unaccepted > junior objective synonym, unncessary replacement name for Defrancia bellardiana)
411. Species Drillia morgana Barnard, 1958 (unaccepted, original combination)
412. Species Drillia moseri Dall, 1889 (unaccepted > superseded combination)
413. Species Drillia multilirata Bellardi, 1877 † (uncertain > taxon inquirendum)
414. Species Drillia multiplex W. H. Webster, 1906 (unaccepted > superseded combination)
415. Species Drillia nagasakiensis E. A. Smith, 1879 (unaccepted > superseded combination)
416. Species Drillia nangulanensis (K. Martin, 1895) †
417. Species Drillia nenia Hedley, 1903 (unaccepted, original combination)
418. Species Drillia neptuni W. H. Turton, 1932 (uncertain > nomen dubium)
419. Species Drillia nereia W. H. Turton, 1932 (unaccepted, junior synonym)
420. Species Drillia neuvillei Peyrot, 1931 † (unaccepted, original combination)
421. Species Drillia niaddrina Mansfield, 1925 † (unaccepted > superseded combination)
422. Species Drillia nicklesi Knudsen, 1956 (unaccepted)
423. Species Drillia nitrina Mansfield, 1925 † (uncertain > unassessed)
424. Species Drillia nivosa E. A. Smith, 1904 (unaccepted)
425. Species Drillia nodata C. B. Adams, 1850 (unaccepted > superseded combination)
426. Species Drillia nodifera Pease, 1860 (unaccepted, original combination)
427. Species Drillia nodulosa Pease, 1863 (unaccepted, original combination)
428. Species Drillia obliquata Cossmann, 1889 † (unaccepted > superseded combination)
429. Species Drillia oblongula G. F. Harris, 1897 † (unaccepted)
430. Species Drillia obtusa Koenen, 1890 †
431. Species Drillia obtusangulus (Brocchi, 1814) † (unaccepted > superseded combination)
432. Species Drillia oleacina (Dall, 1881)
433. Species Drillia oliverai Kilburn & Stahlschmidt, 2012
434. Species Drillia omanensis Melvill & Standen, 1901
435. Species Drillia omia Barnard, 1958 (unaccepted, original combination)
436. Species Drillia oneili Barnard, 1958 (unaccepted, original combination)
437. Species Drillia optabilis Murdoch & Suter, 1906 (unaccepted, superseded combination)
438. Species Drillia optata Bellardi, 1877 † (uncertain > taxon inquirendum)
439. Species Drillia ordinaria W. H. Turton, 1932 (unaccepted, junior synonym)
440. Species Drillia ordita Bellardi, 1877 † (uncertain > unassessed)
441. Species Drillia orellana (Dall, 1927) (unaccepted)
442. Species Drillia orientalis Thiele, 1925
443. Species Drillia ostrearum Stearns, 1872 (unaccepted, original combination)
444. Species Drillia oxyacrum Cossmann, 1889 † (unaccepted > superseded combination)
445. Species Drillia pagodaeformis Schepman, 1913 (unaccepted, original combination)
446. Species Drillia pagodula Dall, 1889 (unaccepted, original combination)
447. Species Drillia palabuanensis (K. Martin, 1906) †
448. Species Drillia palembangensis Haanstra & Spiker, 1932 †
449. Species Drillia pantrachia Cossmann, 1889 † (unaccepted > superseded combination)
450. Species Drillia papillosa Garrett, 1873 (unaccepted, original combination)
451. Species Drillia parciplicata G. B. Sowerby III, 1915 (unaccepted, original combination)
452. Species Drillia paroeca Melvill, 1923 (unaccepted > superseded combination)
453. Species Drillia passaloides Cossmann, 1902 † (unaccepted > superseded combination)
454. Species Drillia patriciae P. A. Bernard & Nicolay, 1984
455. Species Drillia pecus Barnard, 1969 (uncertain > nomen dubium)
456. Species Drillia pellati Boussac, 1911 † (unaccepted, invalid: junior homonym of Drillia pellati Cossmann & Pissarro, 1904; Gemmula bearrizensis is a replacement name)
457. Species Drillia penicillata P. P. Carpenter, 1865 (unaccepted > superseded combination)
458. Species Drillia pennyi Mansfield, 1925 † (uncertain > unassessed)
459. Species Drillia pentagonalis Dall, 1889 (unaccepted > superseded combination)
460. Species Drillia pentagonalis Verco, 1896 (unaccepted, original combination)
461. Species Drillia peradmirabilis E. A. Smith, 1879 (unaccepted, original combination)
462. Species Drillia perfluans Barnard, 1958 (unaccepted, original combination)
463. Species Drillia perrara Bellardi, 1877 † (uncertain > taxon inquirendum)
464. Species Drillia persica (E. A. Smith, 1888) (unaccepted)
465. Species Drillia petuchi Tippett, 1995 (unaccepted, original combination)
466. Species Drillia peyreirensis Peyrot, 1931 † (unaccepted, original combination)
467. Species Drillia pharcida Dall, 1889 (unaccepted > superseded combination)
468. Species Drillia philotima Melvill & Standen, 1903 (uncertain > unassessed)
469. Species Drillia pinensis Bellardi, 1877 † (uncertain > taxon inquirendum)
470. Species Drillia platystoma (E. A. Smith, 1877) (unaccepted)
471. Species Drillia pleonastica Barnard, 1958 (unaccepted, original combination)
472. Species Drillia podagrina Dall, 1890 † (unaccepted > superseded combination)
473. Species Drillia poecila Sysoev & Bouchet, 2001
474. Species Drillia ponciana Dall & C. T. Simpson, 1901 (unaccepted > junior subjective synonym)
475. Species Drillia praeclara G. B. Sowerby III, 1915 (unaccepted, superseded combination)
476. Species Drillia praetermissa E. A. Smith, 1904 (unaccepted, original combination)
477. Species Drillia premorra Dall, 1889 (unaccepted, original combination)
478. Species Drillia pretiosa W. H. Turton, 1932 (unaccepted, junior synonym)
479. Species Drillia primula Melvill, 1923 (unaccepted > superseded combination)
480. Species Drillia principalis Pilsbry, 1895 (unaccepted > junior subjective synonym)
481. Species Drillia prolongata W. H. Turton, 1932 (unaccepted, junior synonym)
482. Species Drillia propeangulosa Cossmann, 1889 † (unaccepted > superseded combination)
483. Species Drillia propefusiformis Mansfield, 1925 † (unaccepted > superseded combination)
484. Species Drillia prunulum Melvill & Standen, 1901 (unaccepted > superseded combination)
485. Species Drillia pselia Barnard, 1958
486. Species Drillia pseudoprincipalis Yokoyama, 1920 † (unaccepted > superseded combination)
487. Species Drillia punctatostriata P. P. Carpenter, 1856 (unaccepted, original combination)
488. Species Drillia pusilla Garrett, 1873 (unaccepted, original combination)
489. Species Drillia pyramidata (Kiener, 1839)
490. Species Drillia quadrasi O. Boettger, 1895 (unaccepted > superseded combination)
491. Species Drillia quoniamensis Périer, 1941 † (unaccepted > superseded combination)
492. Species Drillia raricostata E. A. Smith, 1879 (unaccepted, original combination)
493. Species Drillia raristriata Bellardi, 1877 † (uncertain > taxon inquirendum)
494. Species Drillia reciproca A. Gould, 1860 (unaccepted, superseded combination)
495. Species Drillia recordata (Sykes, 1905)
496. Species Drillia recurvirostrata (M. Azuma, 1960) (unaccepted > nomen nudum)
497. Species Drillia regia (Habe & Murakami, 1970)
498. Species Drillia renaudi Arnold, 1903 † (unaccepted, original combination)
499. Species Drillia reticulata Vredenburg, 1921 † (unaccepted, invalid, not Tesch, 1915)
500. Species Drillia rhodochroa Dautzenberg, 1900 (unaccepted, original combination)
501. Species Drillia rioensis E. A. Smith, 1915 (unaccepted, original combination)
502. Species Drillia ritanida Mansfield, 1925 † (unaccepted > superseded combination)
503. Species Drillia rosacea (Reeve, 1845)
504. Species Drillia roseobasis Pilsbry & Vanatta, 1902 (unaccepted > junior homonym, of Pleurotoma (Drillia) roseobasis E. A. Smith, 1888, Pleurotoma roseotincta Dall, 1919 is replacement name)
505. Species Drillia roseola (Hertlein & A. M. Strong, 1955)
506. Species Drillia rosolina (Marrat, 1877)
507. Species Drillia rotundicosta O. Boettger, 1902 † (unaccepted > junior homonym, junior homonym of Drillia rotundicosta Bellardi, 1877; Drillia dorae is a replacement name)
508. Species Drillia rotundicosta Bellardi, 1877 † (uncertain > taxon inquirendum)
509. Species Drillia rougeyroni (Souverbie, 1874) (unaccepted > junior subjective synonym)
510. Species Drillia rousi (G. B. Sowerby III, 1886) (unaccepted)
511. Species Drillia rubidofusca Schepman, 1913 (unaccepted, original combination)
512. Species Drillia rubrozonata Schepman, 1913 (uncertain > taxon inquirendum, status in recent literature not researched by editor)
513. Species Drillia rufescens Dunker, 1871 (uncertain > taxon inquirendum)
514. Species Drillia rufolineata Schepman, 1913 (unaccepted, original combination)
515. Species Drillia rugisculpta G. B. Sowerby III, 1901 (unaccepted)
516. Species Drillia sacra (Reeve, 1845)
517. Species Drillia salvadorica (Hertlein & A. M. Strong, 1951) (unaccepted)
518. Species Drillia sangiranensis (K. Martin, 1906) †
519. Species Drillia santacruzensis Ortmann, 1900 † (uncertain > unassessed)
520. Species Drillia sassellensis Bellardi, 1877 † (uncertain > taxon inquirendum)
521. Species Drillia saulcydiana (Récluz, 1851) (unaccepted)
522. Species Drillia saxea G. B. Sowerby III, 1896 (unaccepted, original combination)
523. Species Drillia schoutanica May, 1911 (unaccepted, original combination)
524. Species Drillia scillae Bellardi, 1877 † (unaccepted > superseded combination)
525. Species Drillia scitecosta [sic] (unaccepted, misspelling)
526. Species Drillia scitecostata (G. B. Sowerby III, 1903) (unaccepted)
527. Species Drillia secernenda Bellardi, 1877 † (uncertain > taxon inquirendum)
528. Species Drillia sedanensis (Haanstra & Spiker, 1932) †
529. Species Drillia sedilia Dall, 1890 † (unaccepted, original combination)
530. Species Drillia seiuncta Bellardi, 1877 † (unaccepted)
531. Species Drillia sejungenda Bellardi, 1877 † (uncertain > unassessed)
532. Species Drillia sella Dall, 1915 † (unaccepted > superseded combination)
533. Species Drillia semisulcata Bellardi, 1877 † (uncertain > taxon inquirendum)
534. Species Drillia serana P. J. Fischer, 1921 †
535. Species Drillia serratula Bellardi, 1877 † (unaccepted > superseded combination)
536. Species Drillia sesquitertia E. von Martens, 1904 (uncertain > taxon inquirendum)
537. Species Drillia sexradiata Odhner, 1917 (unaccepted, original combination)
538. Species Drillia sibogae Schepman, 1913 (unaccepted, original combination)
539. Species Drillia siebenrocki (Sturany, 1900)
540. Species Drillia sigmoidea (Bronn, 1828) † (unaccepted > superseded combination)
541. Species Drillia signa Bartsch, 1915 (uncertain > nomen dubium)
542. Species Drillia sikesi Preston, 1908 (uncertain > taxon inquirendum)
543. Species Drillia similis Bellardi, 1877 † (uncertain > unassessed)
544. Species Drillia simplex W. H. Turton, 1932 (unaccepted, original combination)
545. Species Drillia simplicicingula Barnard, 1958 (unaccepted, original combination)
546. Species Drillia simpsoni (Dall, 1886) † (unaccepted > superseded combination)
547. Species Drillia sinclairi Gillies, 1882 (unaccepted, superseded combination)
548. Species Drillia sinuosa (Montagu, 1803)
549. Species Drillia sinuosa Bellardi, 1877 † (uncertain > taxon inquirendum)
550. Species Drillia sinuosa J. H. McLean & Poorman, 1971 (unaccepted > junior homonym)
551. Species Drillia smirna (Dall, 1881) (unaccepted > superseded combination)
552. Species Drillia sobrina Yokoyama, 1923 † (unaccepted > superseded combination)
553. Species Drillia solicitata G. B. Sowerby III, 1913 (unaccepted, original combination)
554. Species Drillia solida (C. B. Adams, 1850) (unaccepted)
555. Species Drillia soror Bellardi, 1877 † (uncertain > unassessed)
556. Species Drillia sowerbyi W. H. Turton, 1932 (unaccepted, original combination)
557. Species Drillia spinifera Peyrot, 1931 † (unaccepted, original combination)
558. Species Drillia spiralis Barnard, 1958 (uncertain > taxon inquirendum)
559. Species Drillia spirostachys Kilburn, 1988
560. Species Drillia stiza Tenison Woods, 1879 †
561. Species Drillia streptonotus Pilsbry, 1904 (unaccepted, original combination)
562. Species Drillia suavis Hervier, 1896 (unaccepted, original combination)
563. Species Drillia subangusta Schepman, 1913 (unaccepted, original combination)
564. Species Drillia subauriformis E. A. Smith, 1879 (unaccepted, original combination)
565. Species Drillia subcarinata Bellardi, 1877 † (uncertain > taxon inquirendum)
566. Species Drillia subcontracta E. A. Smith, 1904 (unaccepted, original combination)
567. Species Drillia subnodilirata Wanner & Hahn, 1935 †
568. Species Drillia subobliquata E. A. Smith, 1879 (unaccepted, original combination)
569. Species Drillia subplicata Verco, 1909 (unaccepted, superseded combination)
570. Species Drillia subviridis May, 1911 (unaccepted, original combination)
571. Species Drillia sulcata Peyrot, 1931 † (unaccepted, original combination)
572. Species Drillia sulciensis Bellardi, 1877 † (unaccepted > superseded combination)
573. Species Drillia sulcifera Bellardi, 1877 † (uncertain > unassessed)
574. Species Drillia sultani K. Martin, 1914 † (unaccepted)
575. Species Drillia suluensis Schepman, 1913 (unaccepted, original combination)
576. Species Drillia sumberanensis Wanner & Hahn, 1935 †
577. Species Drillia suturalis Gray, 1838 (unaccepted, original combination)
578. Species Drillia suxdorfi Strebel, 1905
579. Species Drillia tasconium Melvill & Standen, 1901 (unaccepted > superseded combination)
580. Species Drillia telescopialis Verco, 1896 (unaccepted, original combination)
581. Species Drillia tenuicrenata Cossmann, 1902 † (unaccepted > superseded combination)
582. Species Drillia tenuispiralis P. Marshall, 1918 † (unaccepted, superseded combination)
583. Species Drillia texana Conrad, 1865 † (unaccepted > superseded combination)
584. Species Drillia thea Dall, 1884 (unaccepted, original combination)
585. Species Drillia themeropis Melvill & Standen, 1896 (unaccepted > superseded combination)
586. Species Drillia theoreta Melvill, 1899 (unaccepted > superseded combination)
587. Species Drillia thetis E. A. Smith, 1904 (unaccepted, original combination)
588. Species Drillia thisbe Melvill, 1906 (unaccepted > superseded combination)
589. Species Drillia tholos Barnard, 1958
590. Species Drillia timorensis Schepman, 1913 (unaccepted, original combination)
591. Species Drillia tokyoensis Pilsbry, 1895 (unaccepted > superseded combination)
592. Species Drillia topaza Melvill & Standen, 1901
593. Species Drillia torosa P. P. Carpenter, 1864 (unaccepted, original combination)
594. Species Drillia trevori Tenison Woods, 1879 † (unaccepted)
595. Species Drillia tricarinata Tenison Woods, 1878 (unaccepted > superseded combination)
596. Species Drillia tridadina Mansfield, 1925 † (uncertain > unassessed)
597. Species Drillia tripter Maltzan, 1883 (unaccepted, original combination)
598. Species Drillia tristicha Dall, 1889 (unaccepted > superseded combination)
599. Species Drillia trophonoides Verco, 1909 (unaccepted, original combination)
600. Species Drillia tryoni Dall, 1889 (unaccepted, original combination)
601. Species Drillia tubanensis Wanner & Hahn, 1935 †
602. Species Drillia tumida J. H. McLean & Poorman, 1971
603. Species Drillia turrita Bellardi, 1877 † (unaccepted)
604. Species Drillia umbilicata J. E. Gray, 1838
605. Species Drillia undatolirata O. Boettger, 1902 † (unaccepted > superseded combination)
606. Species Drillia unifasciata (E. A. Smith, 1888) (unaccepted, primary homonym of Pleurotoma unifasciata Deshayes, 1835)
607. Species Drillia unifilosa Bellardi, 1877 † (unaccepted > junior subjective synonym)
608. Species Drillia valida J. H. McLean & Poorman, 1971
609. Species Drillia vallata A. Gould, 1860 (uncertain > taxon inquirendum)
610. Species Drillia van-den-heckii Bellardi, 1877 † (unaccepted)
611. Species Drillia vaningeni (A. P. Brown & Pilsbry, 1913) †
612. Species Drillia variabilis (E. A. Smith, 1877) (unaccepted)
613. Species Drillia verbeeki (Tesch, 1915) †
614. Species Drillia vidualoides Garrett, 1873 (unaccepted)
615. Species Drillia vixumbilicata G. F. Harris, 1897 † (unaccepted > superseded combination)
616. Species Drillia walcotae (G. B. Sowerby III, 1893) (unaccepted > superseded combination)
617. Species Drillia weldiana Tenison Woods, 1877 (unaccepted, junior synonym)
618. Species Drillia wolfei Tippett, 1995 (unaccepted > superseded combination)
619. Species Drillia woodsi C. E. Beddome, 1883 (unaccepted, superseded combination)
620. Species Drillia worthingtoni E. A. Smith, 1904 (uncertain > taxon inquirendum)
621. Species Drillia xanthoporphyria Melvill & Standen, 1896 (unaccepted > junior subjective synonym)
622. Species Drillia zenobia W. H. Turton, 1932 (unaccepted)

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