1. Family Gardineriidae Stolarski, 1996
2. Family Guyniidae Hickson, 1910
3. Suborder Refertina
4. Family Schizocyathidae Stolarski, 2000
5. Family Stenocyathidae Stolarski, 2000
6. Suborder Vacatina
7. Family Agariciadae Gray, 1847 accepted as Agariciidae Gray, 1847 (unaccepted > misspelling - incorrect subsequent spelling)
8. Family Anthemiphyllidae Vaughan, 1907 accepted as Anthemiphylliidae Vaughan, 1907 (unaccepted > misspelling - incorrect subsequent spelling)
9. Family Astraeidae Dana, 1846 accepted as Faviidae Milne Edwards & Haime, 1857 (unaccepted > junior subjective synonym)
10. Family Astrangidae Milne Edwards & Haime, 1857 accepted as Astrangiidae Milne Edwards & Haime, 1857 (unaccepted > misspelling - incorrect subsequent spelling)
11. Family Caryophylliadae Gray, 1847 accepted as Caryophylliidae Dana, 1846 (unaccepted > junior subjective synonym, misspelling)
12. Family Cladocoridae de Fromentel, 1861 accepted as Cladocoridae Milne Edwards & Haime, 1857 (unaccepted > junior homonym)
13. Family Dendrogyridae Alloiteau, 1952 accepted as Meandrinidae Gray, 1847 (unaccepted > junior subjective synonym)
14. Family Dendrophyllidae Gray, 1847 accepted as Dendrophylliidae Gray, 1847 (unaccepted > misspelling - incorrect subsequent spelling)
15. Family Diplocteniopsidae Zlatarski, 1968 accepted as Meandrinidae Gray, 1847 (unaccepted > junior subjective synonym)
16. Family Echinoporidae Verrill, 1901 accepted as Merulinidae Milne Edwards & Haime, 1857 (unaccepted > junior subjective synonym)
17. Family Echinoporidae Milne Edwards & Haime, 1857 accepted as Merulinidae Milne Edwards & Haime, 1857 (unaccepted > junior subjective synonym)
18. Family Euheliidae de Fromentel, 1861 accepted as Stylinidae d'Orbigny, 1851 † (unaccepted > junior subjective synonym)
19. Family Euphyllidae Veron, 2000 accepted as Euphylliidae Milne Edwards & Haime, 1857 (unaccepted > junior homonym, misspelling)
20. Family Euphylliidae Alloiteau, 1952 accepted as Euphylliidae Milne Edwards & Haime, 1857 (unaccepted > junior homonym)
21. Family Euphylliidae Veron, 2002 accepted as Euphylliidae Milne Edwards & Haime, 1857 (unaccepted > junior homonym)
22. Family Eupsammiidae Milne Edwards & Haime, 1851 accepted as Dendrophylliidae Gray, 1847 (synonymy)
23. Family Eupsammiidae Milne Edwards & Haime, 1857 accepted as Dendrophylliidae Gray, 1847 (unaccepted > junior subjective synonym)
24. Family Eusmiliidae Milne Edwards & Haime, 1857 accepted as Meandrinidae Gray, 1847 (unaccepted > junior subjective synonym)
25. Family Eusmillidae Verrill, 1866 accepted as Meandrinidae Gray, 1847 (unaccepted > junior subjective synonym)
26. Family Faviidae Gregory, 1900 accepted as Faviidae Milne Edwards & Haime, 1857 (unaccepted > junior objective synonym, homonymy)
27. Family Favitidae Verrill, 1901 accepted as Merulinidae Milne Edwards & Haime, 1857 (unaccepted > junior subjective synonym)
28. Family Isoporidae Vaughan, 1902 accepted as Acroporidae Verrill, 1901 (unaccepted > junior subjective synonym)
29. Family Lobophylliidae Fukami, Budd & Knowlton, 2012 accepted as Lobophylliidae Dai & Horng, 2009 (unaccepted > junior objective synonym, homonym)
30. Family Madreporidae Dana, 1846 (unaccepted > unavailable name)
31. Family Madreporidae Gray, 1847 accepted as Oculinidae Gray, 1847 (unaccepted > junior subjective synonym)
32. Family Maeandrinidae Verrill, 1901 accepted as Meandrinidae Gray, 1847 (unaccepted > junior subjective synonym)
33. Family Meandrinidae Vaughan & Wells, 1943 accepted as Meandrinidae Gray, 1847 (unaccepted > junior homonym)
34. Family Merulinidae Verrill, 1866 accepted as Merulinidae Milne Edwards & Haime, 1857 (unaccepted > junior objective synonym)
35. Family Mussidae Ortmann, 1890 accepted as Faviidae Milne Edwards & Haime, 1857 (unaccepted > junior subjective synonym)
36. Family Orbicellidae Verrill, 1901 accepted as Merulinidae Milne Edwards & Haime, 1857 (unaccepted > junior subjective synonym)
37. Family Orbicellidae Vaughan, 1902 accepted as Merulinidae Milne Edwards & Haime, 1857 (unaccepted > junior subjective synonym, homonym)
38. Family Pectiniidae Vaughan & Wells, 1943 accepted as Merulinidae Milne Edwards & Haime, 1857 (unaccepted > junior subjective synonym)
39. Family Seriatoporidae Milne Edwards & Haime, 1849 accepted as Pocilloporidae Gray, 1840 (unaccepted > junior subjective synonym)
40. Family Siderastraeidae Vaughan & Wells, 1943 accepted as Rhizangiidae d'Orbigny, 1851 (unaccepted > junior subjective synonym, misspelling)
41. Family Siderastreidae Vaughan & Wells, 1943 accepted as Rhizangiidae d'Orbigny, 1851 (unaccepted > junior subjective synonym)
42. Family Stylophoridae Verrill, 1866 accepted as Pocilloporidae Gray, 1840 (unaccepted > junior subjective synonym)
43. Family Stylophoridae Milne Edwards & Haime, 1857 accepted as Pocilloporidae Gray, 1840 (unaccepted > junior subjective synonym)
44. Family Trachyphyllidae Wells, 1956 accepted as Merulinidae Milne Edwards & Haime, 1857 (unaccepted > junior subjective synonym, homonym)
45. Family Trachyphylliidae Verrill, 1901 accepted as Merulinidae Milne Edwards & Haime, 1857 (unaccepted > junior subjective synonym)
46. Family Turbinolidae Milne Edwards & Haime, 1848 accepted as Turbinoliidae Milne Edwards & Haime, 1848 (unaccepted > misspelling - incorrect subsequent spelling)
47. Family Scleractinia incertae sedis (temporary name)

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