| Nominal Species (n = 250) | Present allocation (n = 243) | Ref. |
|---|---|---|
| Caryophyllia abrupta Cairns, 1999 | Caryophyllia abrupta | 19 |
| Caryophyllia abyssorum Duncan, 1873 | Caryophyllia abyssorum | 19 |
| Heterocyathus aequicostatus Milne-Edwards & Haime, 1848 | Heterocyathus aequicostatus | 19 |
| Deltocyathus agassizi Pourtalès, 1867 | Deltocyathus agassizi | 19 |
| Trochocyathus aithoseptatus Cairns, 1984 | Trochocyathus aithoseptatus | 19 |
| Caryophyllia alaskensis Vaughan, 1941 | Caryophyllia alaskensis | 19 |
| Sympodangia albatrossi Cairns & Zibrowius, 1997 | Sympodangia albatrossi | 19 |
| Caryophyllia alberti Zibrowius, 1980 | Caryophyllia alberti | 19 |
| Caryophyllia alcocki Vaughan, 1907 | Caryophyllia atlantica | 3477 |
| Heterocyathus alternatus Verrill, 1865 | Heterocyathus alternatus | 19 |
| Caryophyllia ambrosia Alcock, 1898 | Caryophyllia ambrosia | 3477 |
| Phyllangia americana Milne-Edwards & Haime, 1849 | Phyllangia americana | 84571 |
| Polycyathus andamanensis Alcock, 1893 | Polycyathus andamanensis | 3477 |
| Deltocyathus andamanicus Alcock, 1898 | Deltocyathus andamanicus | 19 |
| Paracyathus andersoni Duncan, 1889 | Paracyathus andersoni | 3477 |
| Caryophyllia antarctica von Marenzeller, 1904 | Caryophyllia antarctica | 19 |
| Gardineria antarctica Gardiner, 1929 | Paraconotrochus antarcticus | 3477 |
| Coenocyathus anthophyllites Milne-Edwards & Haime, 1848 | Coenocyathus anthophyllites | 19 |
| Caryophyllia antillarum Pourtalès, 1874 | Caryophyllia antillarum | 19 |
| Heterocyathus antoniae Reyes, Santodomingo & Cairns, 2009 | Heterocyathus antoniae | 3477 |
| Trochocyathus apertus Cairns & Zibrowius, 1997 | Trochocyathus apertus | 19 |
| Coenosmilia arbuscula Pourtalès, 1874 | Coenosmilia arbuscula | 19 |
| Paracyathus arcuatus Lindström, 1877 | Paracyathus arcuatus | 19 |
| Caryophyllia arnoldi Vaughan, 1900 | Caryophyllia arnoldi | 19 |
| Caryophyllia aspera Kitahara, Cairns & Miller, 2010 | Caryophyllia aspera | 3477 |
| Conotrochus asymmetros Cairns, 1999 | Conotrochus asymmetros | 19 |
| Aulocyathus atlanticus Zibrowius, 1980 | Aulocyathus atlanticus | 19 |
| Polycyathus atlanticus Duncan, 1876 | Polycyathus atlanticus | 19 |
| Caryophyllia balaenacea Zibrowius & Gili, 1990 | Caryophyllia balaenacea | 19 |
| Caryophyllia barbadensis Cairns, 1979 | Caryophyllia barbadensis | 19 |
| Caryophyllia berteriana Duchassaing, 1850 | Caryophyllia berteriana | 19 |
| Coenocyathus bowersi Vaughan, 1906 | Coenocyathus bowersi | 19 |
| Trochocyathus brevispina Cairns & Zibrowius, 1997 | Trochocyathus brevispina | 19 |
| Coenocyathus brooki Cairns, 1995 | Coenocyathus brooki | 19 |
| Premocyathus burchae Cairns, 1984 | Trochocyathus burchae | 3477 |
| Deltocyathus calcar Pourtalès, 1874 | Deltocyathus calcar | 19 |
| Nomlandia californica Durham & Barnard, 1952 | Nomlandia californica | 19 |
| Caryophyllia calveri Duncan, 1873 | Caryophyllia calveri | 19 |
| Deltocyathus cameratus Cairns, 1999 | Deltocyathus cameratus | 19 |
| Caryophyllia capensis Gardiner, 1904 | Caryophyllia capensis | 19 |
| Monohedotrochus capitolii Kitahara & Cairns, 2005 | Monohedotrochus capitolii | 3477 |
| Coenocyathus caribbeana Cairns, 2000 | Coenocyathus caribbeana | 19 |
| Anomocora carinata Cairns, 1991 | Anomocora carinata | 19 |
| Trochocyathus caryophylloides Alcock, 1902 | Trochocyathus caryophylloides | 19 |
| Paracyathus cavatus Alcock, 1893 | Paracyathus cavatus | 19 |
| Trochocyathus cepulla Cairns, 1995 | Trochocyathus cepulla | 19 |
| Bathycyathus chilensis Milne-Edwards & Haime, 1848 | Bathycyathus chilensis | 19 |
| Oxysmilia circularis Cairns, 1998 | Monohedotrochus circularis | 19 |
| Trochocyathus circularis Cairns, 2021 | Trochocyathus circularis | 3477 |
| Caryophyllia clavus Scarchi, 1835 | Caryophyllia smithii | 538 |
| Tethocyathus coactilis Kitahara & Cairns, 2021 | Tethocyathus coactilis | 3477 |
| Caryophyllia compressa Yabe & Eguchi, 1932 | Caryophyllia compressa | 3477 |
| Paracyathus conceptus Gardiner & Waugh, 1938 | Paracyathus conceptus | 19 |
| Vaughanella concinna Gravier, 1915 | Vaughanella concinna | 19 |
| Caryophyllia concreta Kitahara, Cairns & Miller, 2010 | Caryophyllia concreta | 3477 |
| Pourtalosmilia conferta Cairns, 1978 | Pourtalosmilia conferta | 19 |
| Deltocyathus conicus Zibrowius, 1980 | Deltocyathus italicus | 19 |
| Caryophyllia cornuformis Pourtalès, 1868 | Premocyathus cornuformis | 3477 |
| Caryophyllia cornulum Cairns & Zibrowius, 1997 | Caryophyllia cornulum | 19 |
| Paracyathus coronatus Duncan, 1876 | Paracyathus coronatus | 3477 |
| Caryophyllia corrugata Cairns, 1979 | Caryophyllia corrugata | 19 |
| Oxysmilia corrugata Cairns, 1999 | Oxysmilia corrugata | 19 |
| Deltocyathus corrugatus Cairns, 1999 | Deltocyathus corrugatus | 19 |
| Deltocyathus crassiseptum Cairns, 1999 | Deltocyathus crassiseptum | 19 |
| Desmophyllum cristagalli Milne Edwards & Haime, 1848 | Desmophyllum dianthus | 3477 |
| Caryophyllia crosnieri Cairns & Zibrowius, 1997 | Caryophyllia crosnieri | 19 |
| Polycyathus crosnieri Kitahara & Cairns, 2021 | Polycyathus crosnieri | 3477 |
| Caryophyllia crypta Cairns, 2000 | Caryophyllia crypta | 19 |
| Crispatotrochus curvatus Cairns, 1995 | Crispatotrochus curvatus | 19 |
| Coenocyathus cylindricus Milne-Edwards & Haime, 1848 | Coenocyathus cylindricus | 19 |
| Paracyathus darwinensis Cairns, 2004 | Paracyathus darwinensis | 3477 |
| Caryophyllia decamera Cairns, 1998 | Caryophyllia decamera | 19 |
| Trochocyathus decamera Cairns, 1994 | Trochocyathus decamera | 19 |
| Polycyathus difficilis Duncan, 1889 | Polycyathus difficilis | 3477 |
| Cyathoceras diomedae Vaughan, 1907 | Crispatotrochus rubescens | 3477 |
| Caryophyllia diomedeae von Marenzeller, 1904 | Caryophyllia diomedeae | 19 |
| Trochocyathus discus Cairns & Zibrowius, 1997 | Trochocyathus discus | 19 |
| Phyllangia dispersa Verrill, 1864 | Phyllangia dispersa | 19 |
| Paracyathus durhami Kitahara & Cairns, 2021 | Paracyathus durhami | 3477 |
| Hoplangia durotrix Gosse, 1860 | Hoplangia durotrix | 19 |
| Paracyathus ebonensis Verrill, 1866 | Paracyathus ebonensis | 19 |
| Deltocyathus eccentricus Cairns, 1979 | Deltocyathus eccentricus | 19 |
| Ericiocyathus echinatus Cairns & Zibrowius, 1997 | Ericiocyathus echinatus | 19 |
| Phyllangia echinosepes Ogawa, Takahashi & Sakai, 1997 | Phyllangia echinosepes | 19 |
| Trochocyathus efateensis Cairns, 1999 | Trochocyathus efateensis | 19 |
| Rhizosmilia elata Cairns & Zibrowius, 1997 | Rhizosmilia elata | 19 |
| Caryophyllia elongata Cairns, 1993 | Caryophyllia crosnieri | 3477 |
| Caryophyllia eltaninae Cairns, 1982 | Caryophyllia eltaninae | 19 |
| Tethocyathus endesa Cairns, Haeussermann & Foersterra, 2005 | Tethocyathus endesa | 3477 |
| Caryophyllia ephyala Alcock, 1891 | Caryophyllia ephyala | 19 |
| Oxysmilia epithecata Cairns, 1999 | Monohedotrochus epithecatus | 19 |
| Labyrinthocyathus facetus Cairns, 1979 | Labyrinthocyathus facetus | 19 |
| Trochocyathus fasciatus Cairns, 1979 | Trochocyathus fasciatus | 3477 |
| Caryophyllia foresti Zibrowius, 1980 | Caryophyllia foresti | 19 |
| Deltocyathus formosus Cairns, 1995 | Deltocyathus suluensis | 3477 |
| Trochocyathus fossulus Cairns, 1979 | Trochocyathus fossulus | 19 |
| Ceratotrochus franciscana Durham & Barnard, 1952 | Ceratotrochus franciscana | 19 |
| Paracyathus fulvus Alcock, 1893 | Paracyathus fulvus | 19 |
| Polycyathus fulvus Wijsman-Best, 1970 | Polycyathus fulvus | 19 |
| Polycyathus furanaensis Verheij & Best, 1987 | Polycyathus furanaensis | 19 |
| Crispatotrochus galapagensis Cairns, 1991 | Crispatotrochus galapagensis | 19 |
| Lochmaeotrochus gardineri Cairns, 1999 | Lochmaeotrochus gardineri | 19 |
| Paracyathus gardineri Vaughan, 1907 | Trochocyathus gardineri | 3477 |
| Rhizosmilia gerdae Cairns, 1978 | Rhizosmilia gerdae | 19 |
| Thalamophyllia gombergi Cairns, 1979 | Thalamophyllia gombergi | 19 |
| Trochocyathus gordoni Cairns, 1995 | Trochocyathus gordoni | 19 |
| Coenocyathus goreaui Wells, 1972 | Coenocyathus goreaui | 19 |
| Caryophyllia grandis Gardiner & Waugh, 1938 | Caryophyllia grandis | 19 |
| Phyllangia granulata Koch, 1886 | Phyllangia granulata | 19 |
| Crispatotrochus gregarius Cairns, 2004 | Crispatotrochus gregarius | 3477 |
| Trochocyathus hastatus Bourne, 1903 | Trochocyathus hastatus | 19 |
| Caryophyllia hawaiiensis Vaughan, 1907 | Caryophyllia hawaiiensis | 19 |
| Heterocyathus hemisphaericus Gray, 1849 | Heterocyathus hemisphaericus | 3477 |
| Heterocyathus hemispherica Gray, 1849 | Heterocyathus hemisphaericus | 120175 |
| Deltocyathus heteroclitus Wells, 1984 | Deltocyathus heteroclitus | 19 |
| Vaughanella hexagona Kitahara & Cairns, 2021 | Vaughanella hexagona | 3477 |
| Polycyathus hodgsoni Verheij & Best, 1987 | Polycyathus hodgsoni | 19 |
| Caryophyllia horologium Cairns, 1977 | Caryophyllia horologium | 19 |
| Desmophyllum hourigani Cairns, 2021 | Desmophyllum hourigani | 3477 |
| Caryophyllia huinayensis Cairns, Haeussermann & Foersterra, 2005 | Caryophyllia huinayensis | 3477 |
| Coenocyathus humanni Cairns, 2000 | Coenocyathus humanni | 19 |
| Paracyathus humilis Verrill, 1870 | Paracyathus humilis | 19 |
| Colangia immersa Pourtalès, 1871 | Colangia immersa | 19 |
| Stephanocyathus imperialis Cairns, 2004 | Stephanocyathus imperialis | 3477 |
| Paracyathus indicus Duncan, 1889 | Paracyathus indicus | 3477 |
| Coenosmilia inordinata Cairns, 1984 | Coenosmilia inordinata | 19 |
| Crispatotrochus inornatus Tenison Woods, 1878 | Crispatotrochus inornatus | 19 |
| Deltocyathus inusitiatus Kitahara & Cairns, 2009 | Deltocyathus inusitiatus | 3477 |
| Tethocyathus irrugatus Kitahara & Cairns, 2021 | Tethocyathus irrugatus | 3477 |
| Polycyathus isabela Wells, 1982 | Polycyathus isabela | 19 |
| Stephanocyathus isabellae Reyes, Santodomingo & Cairns, 2009 | Stephanocyathus isabellae | 3477 |
| Colangia jamaicaensis Cairns, 2000 | Colangia jamaicaensis | 19 |
| Caryophyllia japonica von Marenzeller, 1888 | Caryophyllia japonica | 19 |
| Trochocyathus japonicus Eguchi, 1968 | Trochocyathus japonicus | 19 |
| Caryophyllia jogashimaensis Eguchi, 1968 | Caryophyllia jogashimaensis | 19 |
| Confluphyllia juncta Cairns & Zibrowius, 1997 | Confluphyllia juncta | 19 |
| Aulocyathus juvenescens von Marenzeller, 1904 | Aulocyathus juvenescens | 19 |
| Caryophyllia karubarica Cairns & Zibrowius, 1997 | Caryophyllia karubarica | 19 |
| Trochocyathus laboreli Cairns, 2000 | Trochocyathus laboreli | 19 |
| Stephanocyathus laevifundus Cairns, 1977 | Stephanocyathus laevifundus | 19 |
| Caryophyllia laevigata Kitahara, Cairns & Miller, 2010 | Caryophyllia laevigata | 3477 |
| Caryophyllia lamellifera Moseley, 1881 | Caryophyllia lamellifera | 19 |
| Labyrinthocyathus langae Cairns, 1979 | Labyrinthocyathus langae | 19 |
| Ceratotrochus laxus Vaughan, 1907 | Ceratotrochus laxus | 3477 |
| Paracyathus lifuensis Gardiner, 1899 | Paracyathus lifuensis | 19 |
| Trochocyathus longispina Cairns & Zibrowius, 1997 | Trochocyathus longispina | 19 |
| Caryophyllia mabahithi Gardiner & Waugh, 1938 | Caryophyllia mabahithi | 19 |
| Caryophyllia maculata Pourtalès, 1874 | Rhizosmilia maculata | 538 |
| Trochocyathus maculatus Cairns, 1995 | Trochocyathus maculatus | 19 |
| Ceratotrochus magnaghii Cecchini, 1914 | Ceratotrochus magnaghii | 19 |
| Deltocyathus magnificus Moseley, 1876 | Deltocyathus magnificus | 19 |
| Polycyathus marigondoni Verheij & Best, 1987 | Polycyathus marigondoni | 19 |
| Caryophyllia marmorea Cairns, 1984 | Caryophyllia marmorea | 19 |
| Paracyathus mauiensis Vaughan, 1907 | Trochocyathus mauiensis | 3477 |
| Polycyathus mayae Cairns, 2000 | Polycyathus mayae | 19 |
| Trochocyathus mediterraneus Zibrowius, 1980 | Trochocyathus mediterraneus | 19 |
| Paracyathus milleri Kitahara & Cairns, 2021 | Paracyathus milleri | 3477 |
| Paracyathus molokensis Vaughan, 1907 | Paracyathus molokensis | 19 |
| Heterocyathus monileseptatum Filander & Kitahara, 2021 | Heterocyathus monileseptatum | 3477 |
| Paracyathus montereyensis Durham, 1947 | Paracyathus montereyensis | 19 |
| Deltocyathus moseleyi Cairns, 1979 | Deltocyathus moseleyi | 19 |
| Colangia multipalifera Cairns, 2000 | Colangia multipalifera | 19 |
| Rhizosmilia multipalifera Cairns, 1998 | Rhizosmilia multipalifera | 3477 |
| Vaughanella multipalifera Cairns, 1995 | Vaughanella multipalifera | 19 |
| Deltocyathus murrayi Gardiner & Waugh, 1938 | Deltocyathus murrayi | 19 |
| Coenocyathus nanus Kitahara & Cairns, 2021 | Coenocyathus nanus | 3477 |
| Polycyathus norfolkensis Cairns, 1995 | Polycyathus norfolkensis | 19 |
| Trochocyathus oahensis Vaughan, 1907 | Trochocyathus oahensis | 19 |
| Caryophyllia oblonga Kitahara, Cairns & Miller, 2010 | Caryophyllia oblonga | 3477 |
| Caryophyllia octonaria Cairns & Zibrowius, 1997 | Caryophyllia octonaria | 19 |
| Caryophyllia octopali Vaughan, 1907 | Caryophyllia octopali | 19 |
| Polycyathus octuplus Cairns, 1999 | Polycyathus octuplus | 19 |
| Lochmaeotrochus oculeus Alcock, 1902 | Lochmaeotrochus oculeus | 19 |
| Vaughanella oreophila Keller, 1981 | Vaughanella oreophila | 19 |
| Deltocyathus ornatus Gardiner, 1899 | Deltocyathus ornatus | 19 |
| Stephanocyathus paliferus Cairns, 1977 | Stephanocyathus paliferus | 19 |
| Phyllangia papuensis Studer, 1878 | Phyllangia papuensis | 19 |
| Caryophyllia paradoxus Alcock, 1898 | Caryophyllia paradoxus | 19 |
| Deltocyathus parvulus Keller, 1982 | Deltocyathus parvulus | 19 |
| Paracyathus parvulus Gardiner, 1899 | Paracyathus parvulus | 19 |
| Trochocyathus patelliformis Cairns, 1999 | Trochocyathus patelliformis | 19 |
| Caryophyllia paucipalata Moseley, 1881 | Caryophyllia paucipalata | 19 |
| Caryophyllia pauciseptata Yabe & Eguchi, 1932 | Caryophyllia pauciseptata | 19 |
| Phyllangia pequegnatae Cairns, 2000 | Phyllangia pequegnatae | 19 |
| Caryophyllia perculta Cairns, 1991 | Caryophyllia perculta | 19 |
| Agelecyathus persicus Duncan, 1876 | Polycyathus persicus | 3477 |
| Paracyathus persicus Duncan, 1876 | Paracyathus persicus | 3477 |
| Paracyathus peysonneli Kitahara & Cairns, 2021 | Paracyathus peysonneli | 3477 |
| Deltocyathus philippinensis Cairns & Zibrowius, 1997 | Deltocyathus philippinensis | 19 |
| Trochocyathus philippinensis Semper, 1872 | Trochocyathus philippinensis | 19 |
| Caryophyllia planilamellata Dennant, 1906 | Caryophyllia planilamellata | 19 |
| Caryophyllia polygona Pourtalès, 1878 | Caryophyllia polygona | 19 |
| Paracyathus porcellanus Verrill, 1866 | Paracyathus porcellanus | 19 |
| Deltocyathus pourtalesi Cairns, 1979 | Deltocyathus pourtalesi | 19 |
| Tethocyathus prahli Lattig & Cairns, 2000 | Tethocyathus prahli | 19 |
| Caryophyllia profunda Moseley, 1881 | Caryophyllia profunda | 19 |
| Paracyathus profundus Duncan, 1889 | Paracyathus profundus | 3477 |
| Paracyathus pruinosus Alcock, 1902 | Paracyathus pruinosus | 19 |
| Caryophyllia quadragenaria Alcock, 1902 | Caryophyllia quadragenaria | 19 |
| Caryophyllia quangdongensis Zou, 1984 | Caryophyllia quangdongensis | 19 |
| Caryophyllia ralphae Cairns, 1995 | Caryophyllia ralphae | 19 |
| Trochocyathus rawsonii Pourtalès, 1874 | Trochocyathus rawsonii | 1663 |
| Stephanocyathus regius Cairns & Zibrowius, 1997 | Stephanocyathus regius | 19 |
| Trochocyathus rhombocolumna Alcock, 1902 | Trochocyathus rhombocolumna | 19 |
| Rhizosmilia robusta Cairns, 1993 | Rhizosmilia robusta | 19 |
| Paracyathus rotundatus Semper, 1872 | Paracyathus rotundatus | 19 |
| Cyathoceras rubescens Moseley, 1881 | Crispatotrochus rubescens | 3477 |
| Caryophyllia rugosa Moseley, 1881 | Caryophyllia rugosa | 19 |
| Crispatotrochus rugosus Cairns, 1995 | Crispatotrochus rugosus | 19 |
| Caryophyllia sarsiae Zibrowius, 1974 | Caryophyllia sarsiae | 19 |
| Caryophyllia scillaemorpha Alcock, 1894 | Caryophyllia ephyala | 19 |
| Caryophyllia scobinosa Alcock, 1902 | Caryophyllia scobinosa | 19 |
| Coenocyathus sebroecki Kitahara, Capel & Migotto, 2020 | Coenocyathus sebroecki | 3477 |
| Caryophyllia secta Cairns & Zibrowius, 1997 | Caryophyllia secta | 19 |
| Caryophyllia seguenzae Duncan, 1873 | Caryophyllia seguenzae | 19 |
| Trochocyathus semperi Cairns & Zibrowius, 1997 | Trochocyathus semperi | 19 |
| Thalamophyllia senaria Kitahara & Cairns, 2021 | Thalamophyllia senaria | 3477 |
| Polycyathus senegalensis Chevalier, 1966 | Polycyathus senegalensis | 19 |
| Crispatotrochus septumdentatus Kitahara & Cairns, 2008 | Crispatotrochus septumdentatus | 3477 |
| Caryophyllia smithii Stokes & Broderip, 1828 | Caryophyllia smithii | 19 |
| Caryophyllia solida Cairns, 1991 | Caryophyllia solida | 19 |
| Trochocyathus spinosocostatus Zibrowius, 1980 | Trochocyathus spinosocostatus | 19 |
| Caryophyllia squiresi Cairns, 1982 | Caryophyllia squiresi | 19 |
| Paracyathus stearnsii Verrill, 1869 | Paracyathus stearnsii | 19 |
| Deltocyathus stella Cairns & Zibrowius, 1997 | Deltocyathus stella | 19 |
| Caryophyllia stellula Cairns, 1998 | Caryophyllia stellula | 19 |
| Deltocyathus stellulatus Cairns, 1984 | Bourneotrochus stellulatus | 3477 |
| Paracyathus stokesii Milne-Edwards & Haime, 1848 | Paracyathus stokesii | 19 |
| Desmophyllum striatum Cairns, 1979 | Desmophyllum striatum | 19 |
| Deltocyathus suluensis Alcock, 1902 | Deltocyathus suluensis | 19 |
| Deltocyathus taiwanicus Hu, 1987 | Deltocyathus taiwanicus | 19 |
| Caryophyllia tangaroae Kitahara, Cairns & Miller, 2010 | Caryophyllia tangaroae | 94196 |
| Paracyathus tenuicalyx Vaughn, 1907 | Trochocyathus rhombocolumna | 3477 |
| Caryophyllia transversalis Moseley, 1881 | Caryophyllia transversalis | 19 |
| Caryophyllia unicristata Cairns & Zibrowius, 1997 | Caryophyllia unicristata | 19 |
| Caryophyllia valdiviae Zibrowius & Gili, 1990 | Caryophyllia valdiviae | 19 |
| Solenosmilia variabilis Duncan, 1873 | Solenosmilia variabilis | 19 |
| Tethocyathus variabilis Cairns, 1979 | Tethocyathus variabilis | 19 |
| Deltocyathus varians Gardiner & Waugh, 1938 | Deltocyathus varians | 19 |
| Trochocyathus vasiformis Bourne, 1903 | Trochocyathus vasiformis | 19 |
| Concentrotheca vaughani Cairns, 1991 | Concentrotheca vaughani | 19 |
| Deltocyathus vaughani Yabe & Eguchi, 1932 | Deltocyathus vaughani | 19 |
| Polycyathus verrilli Duncan, 1889 | Polycyathus verrilli | 19 |
| Caryophyllia versicolorata Kitahara, Cairns & Miller, 2010 | Caryophyllia versicolorata | 3477 |
| Paracyathus vittatus Dennant, 1906 | Paracyathus vittatus | 19 |
| Stephanocyathus weberianus Alcock, 1902 | Stephanocyathus coronatus | 19 |
| Trochocyathus wellsi Cairns, 2004 | Trochocyathus wellsi | 3477 |
| Caryophyllia zanzibarensis Zou, 1984 | Caryophyllia zanzibarensis | 19 |
| Paraconotrochus zeidleri Cairns & Parker, 1992 | Paraconotrochus zeidleri | 19 |
| Caryophyllia zopyros Cairns, 1979 | Caryophyllia zopyros | 19 |