1. Family Acrosmiliidae Alloiteau, 1952 †
2. Family Actinacididae Vaughan & Wells, 1943 †
3. Family Actinastreidae Alloiteau, 1952 †
4. Family Agatheliidae L. Beauvais & M. Beauvais, 1975 †
5. Family Agathiphylliidae Vaughan & Wells, 1943 †
6. Family Amphiastraeidae Alloiteau, 1952 †
7. Family Amphiastreidae Ogilvie, 1896 †
8. Family Andemantastraeidae Alloiteau, 1952 †
9. Family Andrazelliidae Melnikova, 1984 †
10. Family Archaeosmiliidae Melnikova, 1975 †
11. Family Archeoanthophyllidae Andri, Carlone & Rossi, 1991 †
12. Family Asteroseriidae Alloiteau, 1952 †
13. Family Astraeomorphidae Frech, 1890 †
14. Family Astraraeidae Beauvais, 1982 †
15. Family Axosmiliidae Geyer, 1955 †
16. Family Calamophylliidae Vaughan & Wells, 1943 †
17. Family Carolastraeidae Eliášová, 1976 †
18. Family Cladophylliidae Morycowa & Roniewicz, 1991 †
19. Family Columastreidae Alloiteau, 1952 †
20. Family Comoseridae Fromentel, 1861 †
21. Family Conophylliidae Alloiteau, 1952 †
22. Family Coryphylliidae Beauvais, 1981 †
23. Family Cuifastraeidae Melnikova, 1983 †
24. Family Cuifiidae Melnikova, 1975 †
25. Family Cunnolitidae Alloiteau, 1952 †
26. Family Curtoseriidae Melnikova, 1996 †
27. Family Cyathophoridae Vaughan & Wells, 1943 †
28. Family Cycliphylliidae Roniewicz, 1991 †
29. Family Dermosmiliidae Koby, 1889 †
30. Family Dimorphophylliidae Eliášová, 1974 †
31. Family Distichoflabellidae Roniewicz, 1989 †
32. Family Donacosmiliidae Krasnov, 1970 †
33. Family Eckastraeidae Morycowa, 2006 †
34. Family Epismiliidae Alloiteau, 1952 †
35. Family Eugyridae De Fromentel, 1861 †
36. Family Felixaraeidae Beauvais, 1982 †
37. Family Gablonzeriidae Roniewicz, 1989 †
38. Family Gardineriidae Stolarski, 1996
39. Family Gigantostyliidae Frech, 1890 †
40. Family Guembelastraeidae Cuif, 1977 †
41. Family Guyniidae Hickson, 1910
42. Family Haplaraeidae Vaughan & Wells, 1943 †
43. Family Hemiporitidae Alloiteau, 1952 †
44. Family Heterocoeniidae Oppenheim, 1930 †
45. Family Hexapetalidae Eliášová, 1976 †
46. Family Intersmiliidae Melnikova & Roniewicz, 1976 †
47. Family Isastraeidae Koby †
48. Family Kobyastraeidae Roniewicz, 1979 †
49. Family Latomeandridae Alloiteau, 1952 †
50. Family Margarophylliidae Cuif, 1977 †
51. Family Misistellidae Eliášová, 1976 †
52. Family Negoporitidae Eliášová, 1995 †
53. Family Numidiaphylliidae Flügel, 1976 †
54. Family Oppelismiliidae Melnikova & Roniewicz, 2017 †
55. Family Pachyphylliidae Beauvais, 1982 †
56. Family Pamiroseriidae Melnikova, 1984 †
57. Family Parepismiliidae Melnikova & Roniewicz, 2017 †
58. Family Phyllocoeniidae Alloiteau, 1952 †
59. Family Phyllosmiliidae Felix, 1903 †
60. Family Pinacophyllidae Vaughan & Wells, 1943 †
61. Family Placophylliidae Eliášová, 1990 †
62. Family Placosmiliidae Alloiteau, 1952 †
63. Family Polystylidiidae Lathuilière, Charbonnier & Pacaud, 2017 †
64. Family Procyclolitidae Vaughan & Wells, 1943 †
65. Family Protoheterastraeidae Cuif, 1977 †
66. Family Pruvostastraeidae L. Beauvais, 1970 †
67. Family Rayasmiliidae Löser, 2022 †
68. Suborder Refertina
69. Family Reimaniphyllidae Melnikova, 1975 †
70. Family Reimaniphylliidae Melnikova, 1975 †
71. Family Retiophylliidae Cuif, 1977 †
72. Family Rhipidastraeidae Eliášová, 1991 †
73. Family Rhipidogyridae Koby, 1905 †
74. Family Schizocyathidae Stolarski, 2000
75. Family Smilostyliidae Roniewicz, 1976 †
76. Family Solenocoeniidae Roniewicz, 2008 †
77. Family Stenocyathidae Stolarski, 2000
78. Family Stylinidae d'Orbigny, 1851 †
79. Family Stylophyllidae Frech, 1890 †
80. Family Sylviellidae Eliášová, 2015 †
81. Family Synastraeidae Alloiteau, 1952 †
82. Family Thamnasteriidae Vaughan & Wells, 1943 †
83. Family Thamnasterioidae Alloiteau, 1952 †
84. Family Thamnastraeidae Koby †
85. Family Thecosmiliidae Duncan, 1884 †
86. Family Trochoidomeandridae Turnšek, 1981 †
87. Family Tropiastraeidae Cuif, 1977 †
88. Family Tropiphyllidae Beauvais, 1981 †
89. Suborder Vacatina
90. Family Volzeiidae Melnikova, 1974 †
91. Family Zardinophyllidae Montanaro-Gallitelli, 1975 †
92. Family Actinastraeidae Alloiteau, 1952 † accepted as Actinastreidae Alloiteau, 1952 † (unaccepted > misspelling - incorrect subsequent spelling)
93. Family Agariciadae Gray, 1847 accepted as Agariciidae Gray, 1847 (unaccepted > misspelling - incorrect subsequent spelling)
94. Family Anthemiphyllidae Vaughan, 1907 accepted as Anthemiphylliidae Vaughan, 1907 (unaccepted > misspelling - incorrect subsequent spelling)
95. Family Antilloseridae Wells, 1933 † accepted as Micrabaciidae Vaughan, 1905 (unaccepted > junior subjective synonym)
96. Family Astraeidae Dana, 1846 accepted as Faviidae Milne Edwards & Haime, 1857 (unaccepted > junior subjective synonym)
97. Family Astrangidae Milne Edwards & Haime, 1857 accepted as Astrangiidae Milne Edwards & Haime, 1857 (unaccepted > misspelling - incorrect subsequent spelling)
98. Family Aulastraeoporidae Alloiteau, 1957 † accepted as Heterocoeniidae Oppenheim, 1930 † (unaccepted > junior subjective synonym)
99. Family Baryheliidae Beauvais, 1977 † accepted as Heterocoeniidae Oppenheim, 1930 † (unaccepted > junior subjective synonym)
100. Family Brachiphylliidae Alloiteau, 1952 † (unaccepted > unavailable name)
101. Family Brachyphylliidae Alloiteau, 1952 † accepted as Acrosmiliidae Alloiteau, 1952 † (unaccepted > junior subjective synonym)
102. Family Caryophylliadae Gray, 1847 accepted as Caryophylliidae Dana, 1846 (unaccepted > junior subjective synonym, misspelling)
103. Family Cladocoridae de Fromentel, 1861 accepted as Cladocoridae Milne Edwards & Haime, 1857 (unaccepted > junior homonym)
104. Family Clausastreidae Alloiteau, 1952 † accepted as Thecosmiliidae Duncan, 1884 † (unaccepted > junior subjective synonym)
105. Family Columastraeidae Alloiteau, 1952 † accepted as Columastreidae Alloiteau, 1952 † (unaccepted > misspelling - incorrect subsequent spelling)
106. Family Comoseriidae De Fromentel, 1861 † accepted as Comoseridae Fromentel, 1861 † (unaccepted > misspelling - incorrect subsequent spelling)
107. Family Corbariastraeidae Beauvais, 1982 † accepted as Thamnasteriidae Vaughan & Wells, 1943 † (synonymy)
108. Family Cyclolitidae d'Orbigny, 1851 † accepted as Cunnolitidae Alloiteau, 1952 † (unaccepted > junior subjective synonym)
109. Family Cyclophylliidae Roniewicz, 1989 † accepted as Cycliphylliidae Roniewicz, 1991 † (homonymy)
110. Family Dasmidae Milne Edwards & Haime, 1857 † accepted as Pseudoturbinolidae Milne Edwards & Haime, 1850 † (unaccepted > junior subjective synonym)
111. Family Dendrogyridae Alloiteau, 1952 accepted as Meandrinidae Gray, 1847 (unaccepted > junior subjective synonym)
112. Family Dendrophyllidae Gray, 1847 accepted as Dendrophylliidae Gray, 1847 (unaccepted > misspelling - incorrect subsequent spelling)
113. Family Diplocteniopsidae Zlatarski, 1968 accepted as Meandrinidae Gray, 1847 (unaccepted > junior subjective synonym)
114. Family Distichophylliidae Cuif, 1977 † accepted as Reimaniphylliidae Melnikova, 1975 † (unaccepted > junior subjective synonym)
115. Family Distichophylliidae Beauvais, 1981 † accepted as Reimaniphylliidae Melnikova, 1975 † (unaccepted > junior subjective synonym, homonymy)
116. Family Echinoporidae Verrill, 1901 accepted as Merulinidae Milne Edwards & Haime, 1857 (unaccepted > junior subjective synonym)
117. Family Echinoporidae Milne Edwards & Haime, 1857 accepted as Merulinidae Milne Edwards & Haime, 1857 (unaccepted > junior subjective synonym)
118. Family Elasmocoeniidae Duncan, 1884 † accepted as Heterocoeniidae Oppenheim, 1930 † (unaccepted > junior subjective synonym)
119. Family Ethmotidae Gregory, 1900 † accepted as Dermosmiliidae Koby, 1889 † (unaccepted > junior subjective synonym)
120. Family Eugyridae Eguchi, 1942 † accepted as Eugyridae De Fromentel, 1861 † (unaccepted > junior objective synonym, homonymy)
121. Family Euheliidae de Fromentel, 1861 accepted as Stylinidae d'Orbigny, 1851 † (unaccepted > junior subjective synonym)
122. Family Euphyllidae Veron, 2000 accepted as Euphylliidae Milne Edwards & Haime, 1857 (unaccepted > junior homonym, misspelling)
123. Family Euphylliidae Alloiteau, 1952 accepted as Euphylliidae Milne Edwards & Haime, 1857 (unaccepted > junior homonym)
124. Family Euphylliidae Veron, 2002 accepted as Euphylliidae Milne Edwards & Haime, 1857 (unaccepted > junior homonym)
125. Family Eupsammiidae Milne Edwards & Haime, 1851 accepted as Dendrophylliidae Gray, 1847 (synonymy)
126. Family Eupsammiidae Milne Edwards & Haime, 1857 accepted as Dendrophylliidae Gray, 1847 (unaccepted > junior subjective synonym)
127. Family Eusmiliidae Milne Edwards & Haime, 1857 accepted as Meandrinidae Gray, 1847 (unaccepted > junior subjective synonym)
128. Family Eusmillidae Verrill, 1866 accepted as Meandrinidae Gray, 1847 (unaccepted > junior subjective synonym)
129. Family Faviidae Gregory, 1900 accepted as Faviidae Milne Edwards & Haime, 1857 (unaccepted > junior objective synonym, homonymy)
130. Family Favitidae Verrill, 1901 accepted as Merulinidae Milne Edwards & Haime, 1857 (unaccepted > junior subjective synonym)
131. Family Ficariastraeidae Beauvais, 1982 † accepted as Agatheliidae L. Beauvais & M. Beauvais, 1975 † (unaccepted > junior subjective synonym)
132. Family Funginellidae Alloiteau, 1952 † accepted as Fungiidae Dana, 1846 (unaccepted > junior subjective synonym)
133. Family Guembelastraeidae Melnikova, 1984 † accepted as Guembelastraeidae Cuif, 1977 † (unaccepted > junior homonym, homonymy)
134. Family Isastreidae Solomko, 1888 † accepted as Thecosmiliidae Duncan, 1884 † (unaccepted > junior subjective synonym)
135. Family Isastreidae Alloiteau, 1952 † accepted as Thecosmiliidae Duncan, 1884 † (unaccepted > junior subjective synonym)
136. Family Isoporidae Vaughan, 1902 accepted as Acroporidae Verrill, 1901 (unaccepted > junior subjective synonym)
137. Family Lamellofungiidae Alloiteau, 1957 † accepted as Agariciidae Gray, 1847 (unaccepted > junior subjective synonym)
138. Family Latomeandridae Loser, 1998 † accepted as Latomeandridae Alloiteau, 1952 † (unaccepted > junior subjective synonym, homonymy)
139. Family Leptophylliidae Vaughan, 1905 † accepted as Acrosmiliidae Alloiteau, 1952 † (unaccepted > junior subjective synonym)
140. Family Lobophylliidae Fukami, Budd & Knowlton, 2012 accepted as Lobophylliidae Thiel, 1932 (unaccepted > junior objective synonym, homonym)
141. Family Madreporidae Dana, 1846 (unaccepted > unavailable name)
142. Family Madreporidae Gray, 1847 accepted as Oculinidae Gray, 1847 (unaccepted > junior subjective synonym)
143. Family Maeandrinidae Verrill, 1901 accepted as Meandrinidae Gray, 1847 (unaccepted > junior subjective synonym)
144. Family Margarophylliidae Beauvais, 1981 † accepted as Margarophylliidae Cuif, 1977 † (unaccepted > junior objective synonym)
145. Family Meandriidae Alloiteau, 1952 † accepted as Meandrinidae Gray, 1847 (unaccepted > junior subjective synonym)
146. Family Meandrinidae Vaughan & Wells, 1943 accepted as Meandrinidae Gray, 1847 (unaccepted > junior homonym)
147. Family Merulinidae Verrill, 1866 accepted as Merulinidae Milne Edwards & Haime, 1857 (unaccepted > junior objective synonym)
148. Family Microsolenidae Duncan, 1884 † accepted as Comoseridae Fromentel, 1861 † (unaccepted > junior subjective synonym)
149. Family Microsolenidae Koby, 1889 † accepted as Comoseridae Fromentel, 1861 † (unaccepted > junior subjective synonym)
150. Family Montlivaltiidae Felix, 1900 † accepted as Thecosmiliidae Duncan, 1884 † (unaccepted > junior subjective synonym)
151. Family Montlivaltiidae Dietrich, 1926 † accepted as Thecosmiliidae Duncan, 1884 † (unaccepted > junior subjective synonym)
152. Family Mussidae Ortmann, 1890 accepted as Faviidae Milne Edwards & Haime, 1857 (unaccepted > junior subjective synonym)
153. Family Orbicellidae Verrill, 1901 accepted as Merulinidae Milne Edwards & Haime, 1857 (unaccepted > junior subjective synonym)
154. Family Orbicellidae Vaughan, 1902 accepted as Merulinidae Milne Edwards & Haime, 1857 (unaccepted > junior subjective synonym, homonym)
155. Family Pachycoeniidae Beauvais, 1977 † accepted as Heterocoeniidae Oppenheim, 1930 † (unaccepted > junior subjective synonym)
156. Family Pachythecaliidae Cuif, 1975 † accepted as Zardinophyllidae Montanaro-Gallitelli, 1975 † (unaccepted > junior subjective synonym)
157. Family Parasmiliidae Alloiteau, 1952 † accepted as Caryophylliidae Dana, 1846 (unaccepted > junior homonym)
158. Family Parasmiliidae Vaughan & Wells, 1943 † accepted as Caryophylliidae Dana, 1846 (unaccepted > junior subjective synonym)
159. Family Paronastraeidae Beauvais, 1977 † accepted as Heterocoeniidae Oppenheim, 1930 † (unaccepted > junior subjective synonym)
160. Family Pectiniidae Vaughan & Wells, 1943 accepted as Merulinidae Milne Edwards & Haime, 1857 (unaccepted > junior subjective synonym)
161. Family Placocoeniidae Alloiteau, 1952 † accepted as Montastraeidae Yabe & Sugiyama, 1941 (unaccepted > junior subjective synonym)
162. Family Seriatoporidae Milne Edwards & Haime, 1849 accepted as Pocilloporidae Gray, 1840 (unaccepted > junior subjective synonym)
163. Family Siderastraeidae Vaughan & Wells, 1943 accepted as Rhizangiidae d'Orbigny, 1851 (unaccepted > junior subjective synonym, misspelling)
164. Family Siderastreidae Vaughan & Wells, 1943 accepted as Rhizangiidae d'Orbigny, 1851 (unaccepted > junior subjective synonym)
165. Family Stephanophylliidae Yabe & Eguchi, 1934 † accepted as Micrabaciidae Vaughan, 1905 (unaccepted > junior subjective synonym)
166. Family Stylophoridae Verrill, 1866 accepted as Pocilloporidae Gray, 1840 (unaccepted > junior subjective synonym)
167. Family Stylophoridae Milne Edwards & Haime, 1857 accepted as Pocilloporidae Gray, 1840 (unaccepted > junior subjective synonym)
168. Family Styloporidae Milne Edwards & Haime, 1857 † accepted as Pocilloporidae Gray, 1840 (unaccepted > junior subjective synonym, misspelling)
169. Family Stylosmiliidae De Fromentel, 1861 † accepted as Stylinidae d'Orbigny, 1851 † (unaccepted > junior subjective synonym)
170. Family Synastreidae Alloiteau, 1952 † accepted as Synastraeidae Alloiteau, 1952 † (unaccepted > misspelling - incorrect subsequent spelling)
171. Family Thamnotropis Cuif, 1975 † accepted as Thamnasteriamorpha Melnikova, 1971 † (unaccepted > junior subjective synonym)
172. Family Trachyphyllidae Wells, 1956 accepted as Merulinidae Milne Edwards & Haime, 1857 (unaccepted > junior subjective synonym, homonym)
173. Family Trachyphylliidae Verrill, 1901 accepted as Merulinidae Milne Edwards & Haime, 1857 (unaccepted > junior subjective synonym)
174. Family Trochoseridae Wells, 1933 † accepted as Agariciidae Gray, 1847 (unaccepted > junior subjective synonym)
175. Family Tropiastraeidae Melnikova, 1984 † accepted as Tropiastraeidae Cuif, 1977 † (unaccepted > junior objective synonym, homonymy)
176. Family Turbinolidae Milne Edwards & Haime, 1848 accepted as Turbinoliidae Milne Edwards & Haime, 1848 (unaccepted > misspelling - incorrect subsequent spelling)
177. Family Volzeiaidae Melnikova, 1974 † accepted as Volzeiidae Melnikova, 1974 † (unaccepted > misspelling - incorrect original spelling)
178. Family Volzeiidae Cuif, 1977 † accepted as Volzeiidae Melnikova, 1974 † (unaccepted > junior homonym)
179. Family Volzeiidae Beauvais, 1981 † accepted as Volzeiidae Melnikova, 1974 † (unaccepted > junior objective synonym)
180. Family Scleractinia incertae sedis (temporary name)
181. Family Anabaciidae de Fromentel, 1861 † (uncertain > taxon inquirendum)
182. Family Calamophylliidae de Fromentel, 1861 † (uncertain > taxon inquirendum)
183. Family Cyathophoridae Duncan, 1884 † (uncertain > taxon inquirendum)
184. Family Cyclastraeidae Alloiteau, 1952 † (uncertain > taxon inquirendum)
185. Family Cyclophyllopsidae Alloiteau, 1952 † (uncertain > taxon inquirendum)
186. Family Cyclophyllopsiidae Alloiteau, 1952 † (uncertain > taxon inquirendum)
187. Family Dasmiidae Milne Edwards & Haime, 1857 † (uncertain > taxon inquirendum)
188. Family Ellipsosmiliidae Alloiteau, 1957 † (uncertain > taxon inquirendum)
189. Family Heliastraeidae Achiardi, 1875 † (uncertain > taxon inquirendum)
190. Family Latomaeandridae Alloiteau, 1952 † (uncertain > taxon inquirendum)
191. Family Lithophylliidae de Fromentel, 1861 † (uncertain > taxon inquirendum)
192. Family Mitrodendronidae Alloiteau, 1952 † (uncertain > taxon inquirendum)
193. Family Pachythecalidae Cuif, 1975 † (uncertain > taxon inquirendum)
194. Family Phyllocoeniidae Duncan, 1884 † (uncertain > taxon inquirendum)
195. Family Placocoeniidae Duncan, 1884 † (uncertain > unassessed)
196. Family Placosmiliidae Duncan, 1884 † (uncertain > unassessed)
197. Family Pleurosmiliidae de Fromentel, 1861 † (uncertain > taxon inquirendum)
198. Family Pseudoturbinolidae Milne Edwards & Haime, 1850 † (uncertain > taxon inquirendum)
199. Family Stylosmiliidae Eguchi, 1951 † (uncertain > unassessed)
200. Family Symphylliidae de Fromentel, 1861 † (uncertain > taxon inquirendum)
201. Family Thamnasteriidae d'Achiardi, 1866 † (uncertain > unassessed)
202. Family Thamnasteriidae Reuss, 1864 † (uncertain > unassessed)
203. Family Trochosmiliidae de Fromentel, 1861 † (uncertain > taxon inquirendum)

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