Ma
Maasella Poche, 1914
- Maasella edwardsi (de Lacaze-Duthiers, 1888)
Cnidaria → Anthozoa → Alcyonacea → Alcyoniina → Paralcyoniidae
- Machadoporites
- Macrocnema
Podred Macrocnemina Haddon & Shackleton, 1891
- Porodica Epizoanthidae Delage & Hérouard, 1901
- Porodica Hydrozoanthidae Sinniger, Reimer & Pawlowski, 2010
- Porodica Microzoanthidae Fujii & Reimer, 2011
- Porodica Nanozoanthidae Fujii & Reimer, 2013
- Porodica Parazoanthidae Delage & Hérouard, 1901
Cnidaria → Anthozoa → Hexacorallia → Zoantharia
- Macrodactyla
- Macrorhynchia
- Madracis
- Madrepora
- Maeotias
Magapia Schuchert & Bouillon, 2009
- Magapia jaumotti (Bouillon, 1978)
Cnidaria → Hydrozoa → Hydroidolina → Anthoathecata → Filifera → Magapiidae
Porodica Magapiidae Schuchert & Bouillon, 2009
Cnidaria → Hydrozoa → Hydroidolina → Anthoathecata → Filifera
- Malacacanthus
- Malacobelemnon
- Malagazzia
- Malagazziidae
- Malo
- Manania
- Manicina
- Manokia
- Mansariella
- Maractis
- Maresearsia
- Margalefia
- Margelopsidae
- Margelopsis
- Marianactis
- Marrus
- Mastigias
- Mastigietta
- Mastigiidae
- Matanarella
Me
- Meandrina
- Meandrinidae
- Meator
- Megalactis
- Melicertidae
- Melicertissa
- Melicertoides
- Melicertum
Melithaea Milne Edwards, 1857
- Melithaea acuta (Gray, 1870)
- Melithaea africana (Kükenthal, 1908)
- Melithaea akalyx (Kükenthal, 1908)
- Melithaea albitincta (Ridley, 1884)
- Melithaea amboinensis Hentschel, 1903
- Melithaea andamanensis van Ofwegen, 1987
- Melithaea australis (Gray, 1868)
- Melithaea baladea Grasshoff, 1999
- Melithaea bicolor (Nutting, 1911)
- Melithaea biserialis Kükenthal, 1908
- Melithaea capensis (Studer, 1878)
- Melithaea cinquemiglia Grasshoff, 1999
- Melithaea confusum Moroff, 1902
- Melithaea corymbosa Kükenthal, 1908
- Melithaea dakini Thorpe, 1928
- Melithaea delicata Hickson, 1940
- Melithaea divaricata Gray, 1859
- Melithaea erythraea (Ehrenberg, 1834)
- Melithaea flabellum (Thomson & Mackinnon, 1910)
- Melithaea formosa Nutting, 1911
- Melithaea formosum Moroff, 1902
- Melithaea fragilis Wright & Studer, 1889
- Melithaea frondosa (Brundin, 1896)
- Melithaea furcata (Thomson, 1916)
- Melithaea gracillima (Ridley, 1884)
- Melithaea haddoni Hickson, 1937
- Melithaea harbereri Kükenthal, 1908
- Melithaea hicksoni Nutting, 1911
- Melithaea japonica (Verrill, 1865)
- Melithaea kuea Grasshoff, 1999
- Melithaea laevis Wright & Studer, 1889
- Melithaea mabahissi (Hickson, 1940)
- Melithaea modesta Kükenthal, 1908
- Melithaea nuttingi Hickson, 1937
- Melithaea ouvea Grasshoff, 1999
- Melithaea philippinensis (Wright & Studer, 1889)
- Melithaea planoregularis Kükenthal, 1909
- Melithaea pulchra Hickson, 1937
- Melithaea ramulosa Kükenthal, 1909
- Melithaea robusta (Shann, 1912)
- Melithaea rubeola (Wright & Studer, 1889)
- Melithaea rubra (Esper, 1798)
- Melithaea serrata Ridley, 1884
- Melithaea sinaica Grasshoff, 2000
- Melithaea splendens (Thomson & McQueen, 1908)
- Melithaea squarrosa Kükenthal, 1909
- Melithaea tenuis Kükenthal, 1908
- Melithaea triangulata Nutting, 1911
- Melithaea undulata Kükenthal, 1908
- Melithaea valdiviae Kükenthal, 1908
- Melithaea variabilis (Hickson, 1905)
Cnidaria → Anthozoa → Alcyonacea → Melithaeidae
-
Acabaria rubra
-
Acabaria biserialis
-
Acabaria sinaica
-
Acabaria splendens
- Melithaeidae
- Melophysa
- Mena
- Menacella
- Menella
- Merga
- Merona
- Merulina
- Merulinidae
- Mesacmaea
- Mesactinia
- Mesogligorgia
- Metafannyella
- Metallogorgia
- Metapeachia
- Metarhodactis
- Metedwardsia
- Metridiidae
- Metridium
Mi
†Mialsemia Fedonkin 1985
- †Mialsemia semichatovi Fedonkin 1985
- Micrabaciidae
†Microalveolites Leleshus 1972
Cnidaria → Anthozoa → Favositida → Alveolitina → Alveolitidae
- Microhydrula
- Microhydrulidae
- Micromussa
- Microprimnoa
†Micula Sytova 1952
- †Micula adumbrata Burnett 1998
- †Micula clypeata Lees and Bown 2005
- †Micula concava Stradner 1960
- †Micula cubiformis Forchheimer 1972
- †Micula murus Martini 1961
- †Micula praemurus Bukry 1973
- †Micula premolisilvae Lees and Bown 2005
- †Micula prinsii Perch-Nielsen 1979
- †Micula staurophora Gardet 1955
- †Micula swastica Stradner and Steinmetz 1984
Cnidaria → Anthozoa → Rugosa → Stauriida → Arachnophyllina → Expressophyllidae
†Miculiella Ivanovskiy 1963
Cnidaria → Anthozoa → Stauriida → Arachnophyllina → Expressophyllidae
- Millardiana
- Millepora
- Milleporidae
- Mimetridium
- Minabea
- Minuisis
- Minyadidae
- Minyas
- Mirostenella
- Mistoprayina
- Mitrocoma
- Mitrocomella
- Mitrocomidae
- Mitrocomium
- Mixoscyphus
Mo
- Modeeria
- Moerisia
- Moerisiidae
- Monobrachiidae
- Monobrachium
- Monocoryne
- Monomyces
- Monoserius
- Monostaechas
- Montastraea
- Montastrea
- Montigyra
- Montipora
- Moolabalia
- Mopsea
- Moseleya
Mu
- Muggiaea
- Muricea
- Muriceides
- Muricella
- Muricellisis
- Muriceopsis
- Mussa
- Mussidae
- Mussismilia
My
Mycedium Milne Edwards & Haime, 1851
- Mycedium elephantotus (Pallas, 1766)
- Mycedium mancaoi Nemenzo, 1979
- Mycedium robokaki Moll & Best, 1984
- Mycedium spina Ditlev, 2003
- Mycedium steeni Veron, 2000
- Mycedium umbra Veron, 2000
Cnidaria → Anthozoa → Hexacorallia → Scleractinia → Merulinidae
- Mycetophyllia
- Myonanthus
- Myrionema
- Myriopathes
- Myriopathidae
- Myriozoisis