Between brackets is the number of accepted marine extant species
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Shows the number of accepted marine extant species within the taxon
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- Biota (247 559)
- Kingdom Animalia (211 523)
- Kingdom Archaea (117)
- Kingdom Bacteria (2 223)
- Kingdom Chromista (20 791)
- Kingdom Fungi (1 432)
- Kingdom Monera represented as Bacteria
- Kingdom Plantae (10 581)
- Subkingdom Biliphyta (7 647)
- Phylum (Division) Rhodophyta (7 647)
- Subphylum (Subdivision) Eurhodophytina (7 523)
- Class Bangiophyceae (231)
- Class Florideophyceae (7 292)
- Subclass Ahnfeltiophycidae (12)
- Subclass Corallinophycidae (848)
- Subclass Hildenbrandiophycidae (14)
- Subclass Nemaliophycidae (618)
- Subclass Rhodymeniophycidae (5 790)
- Order Acrosymphytales (15)
- Order Atractophorales (2)
- Order Bonnemaisoniales (32)
- Order Catenellopsidales (1)
- Order Ceramiales (3 107)
- Order Gelidiales (232)
- Order Gigartinales (1 056)
- Order Gracilariales (242)
- Order Halymeniales (354)
- Order Inkyuleeales (3)
- Order Nemastomatales (77)
- Order Peyssonneliales (148)
- Order Plocamiales (75)
- Order Rhodymeniales (425)
- Family Champiaceae Kützing, 1843 (77)
- Family Faucheaceae Strachan, G.W.Saunders & Kraft, 1999 (61)
- Family Fryeellaceae L.Le Gall, Dalen & G.W.Saunders, 2008 (4)
- Family Hymenocladiaceae L.Le Gall, Dalen & G.W.Saunders, 2008 (20)
- Family Lomentariaceae J. Agardh, 1876 (56)
- Genus Binghamia J.Agardh, 1894 (2)
- Genus Binghamiella Setchell & E.Y.Dawson, 1941 accepted as Binghamia J.Agardh, 1894
- Genus Binghamiopsis I.K.Lee, J.A.West & Hommersand, 1988 (1)
- Genus Ceratodictyon Zanardini, 1878 (9)
- Genus Chondrosiphon Kützing, 1843
- Genus Chondrothamnion Kützing, 1843 accepted as Lomentaria Lyngbye, 1819
- Genus Fushitsunagia Filloramo & G.W.Saunders, 2016 (1)
- Genus Gelidiopsis F.Schmitz, 1895 accepted as Ceratodictyon Zanardini, 1878 (1)
- Genus Hooperia J.Agardh, 1896 accepted as Lomentaria Lyngbye, 1819 (1)
- Genus Lomentaria Lyngbye, 1819 (37)
- Species Lomentaria acicularis (J.Agardh) Falkenberg, 1879 accepted as Lomentaria articulata (Hudson) Lyngbye, 1819
- Species Lomentaria affinis (Hooker & Harvey) Kützing, 1849 accepted as Champia affinis (J.D.Hooker & Harvey) Harvey, 1853
- Species Lomentaria ambigua Kützing, 1865 accepted as Chylocladia verticillata (Lightfoot) Bliding, 1928
- Species Lomentaria amplexans R.E.Norris, 1987
- Species Lomentaria articulata (Hudson) Lyngbye, 1819
- Species Lomentaria australis (Kützing) Levring, 1946
- Species Lomentaria baileyana (Harvey) Farlow, 1876 accepted as Hooperia divaricata (Durant) M.J.Wynne, C.W.Schneider & G.W.Saunders, 2019
- Species Lomentaria benahoarensis Afonso-Carrillo, Sangil & Sansón, 2009
- Species Lomentaria brachyarkeana Zanardini, 1854
- Species Lomentaria caespitosa (Harvey) V.J.Chapman & Dromgoole, 1970
- Species Lomentaria caseae E.Y.Dawson, 1946
- Species Lomentaria catenata Harvey, 1857 accepted as Fushitsunagia catenata (Harvey) Filloramo & G.W.Saunders, 2016
- Species Lomentaria chylocladiella Funk, 1955
- Species Lomentaria clavata (Roth) J.Agardh, 1852 accepted as Gastroclonium clavatum (Roth) Ardissone, 1883
- Species Lomentaria clavellosa (Lightfoot ex Turner) Gaillon, 1828
- Species Lomentaria claviformis Ercegovic, 1956
- Species Lomentaria compressa (Kützing) Kylin, 1931
- Species Lomentaria corallicola Børgesen, 1939
- Species Lomentaria corallina (Suhr) Kützing, 1865 accepted as Erythroclonium corallinum (Suhr) Holmes, 1896
- Species Lomentaria corymbosa Zanardini, 1888
- Species Lomentaria corynephora (J.Agardh) Kylin, 1931 accepted as Semnocarpa corynephora (J.Agardh) Huisman, Foard & Kraft, 1993
- Species Lomentaria dasyclada Kützing, 1865 accepted as Chylocladia verticillata (Lightfoot) Bliding, 1928
- Species Lomentaria diffusa Stegenga, Bolton & R.J.Anderson, 1997
- Species Lomentaria divaricata (Durant) M.J.Wynne, 2013 accepted as Hooperia divaricata (Durant) M.J.Wynne, C.W.Schneider & G.W.Saunders, 2019
- Species Lomentaria drouetii E.Y.Dawson, 1944
- Species Lomentaria ercegovicii Verlaque, Boudouresque, Meinesz, Giraud & Marcot Coqueugniot, 1977
- Species Lomentaria exigua De Notaris, 1841
- Species Lomentaria fasciata (Meneghini) Kützing, 1849 accepted as Chylocladia verticillata (Lightfoot) Bliding, 1928
- Species Lomentaria filiformis Kützing, 1865 accepted as Chylocladia verticillata (Lightfoot) Bliding, 1928
- Species Lomentaria firma (J.Agardh) Falkenberg, 1879
- Species Lomentaria flaccida Tak.Tanaka, 1944
- Species Lomentaria fruticulosa Reinbold, 1899 accepted as Lomentaria australis (Kützing) Levring, 1946
- Species Lomentaria furcata (C.Agardh) Zanardini, 1840 accepted as Gloiocladia furcata (C.Agardh) J.Agardh, 1842
- Species Lomentaria gracilis Audouin, 1826 accepted as Jania virgata (Zanardini) Montagne, 1846
- Species Lomentaria gracillima Masuda & Kogame, 2002
- Species Lomentaria hakodatensis Yendo, 1920
- Species Lomentaria implexa De Toni & Levi, 1888
- Species Lomentaria impudica Montagne, 1840 accepted as Catenella impudica (Montagne) J.Agardh, 1852
- Species Lomentaria indica Weber-van Bosse, 1928
- Species Lomentaria intertexta Chauvin ex Duby, 1830 accepted as Champia parvula (C.Agardh) Harvey, 1853
- Species Lomentaria intricata De Toni & Levi, 1888
- Species Lomentaria irregularis Zanardini, 1851 accepted as Champia irregularis (Zanardini) Piccone, 1884
- Species Lomentaria jabukae Ercegovic, 1956
- Species Lomentaria kaliformis (Goodenough & Woodward) Areschoug, 1847 accepted as Chylocladia verticillata (Lightfoot) Bliding, 1928
- Species Lomentaria kotschyana (Endlicher & Diesing) J.Agardh, 1852 accepted as Champia kotschyana Endlicher & Diesing, 1854
- Species Lomentaria liguistica Ardissone, 1875
- Species Lomentaria linearis (Zanardini) Zanardini, 1849 accepted as Lomentaria articulata var. linearis Zanardini, 1841
- Species Lomentaria lubrica (Yendo) Yamada, 1932
- Species Lomentaria mauritiana Børgesen, 1944
- Species Lomentaria mediterranea Endlicher accepted as Gastroclonium clavatum (Roth) Ardissone, 1883
- Species Lomentaria monochlamydea (J.Agardh) Kylin, 1931
- Species Lomentaria muelleri Sonder, 1853 accepted as Coelarthrum opuntia (Endlicher) Børgesen, 1937
- Species Lomentaria okamurae Segawa, 1948
- Species Lomentaria opuntia (Endlicher) J.Agardh, 1852 accepted as Coelarthrum opuntia (Endlicher) Børgesen, 1937
- Species Lomentaria opuntia (Goodenough & Woodward) Gaillon, 1828 accepted as Catenella caespitosa (Withering) L.M.Irvine, 1976
- Species Lomentaria orcadensis (Harvey) Collins, 1937
- Species Lomentaria ovalis
- Species Lomentaria ovata (J.V.Lamouroux) Gaillon, 1828 accepted as Claviclonium ovatum (J.V.Lamouroux) Kraft & Min-Thein, 1983
- Species Lomentaria parvula (C.Agardh) Zanardini, 1841 accepted as Champia parvula (C.Agardh) Harvey, 1853
- Species Lomentaria patens Kützing, 1843 accepted as Chylocladia verticillata (Lightfoot) Bliding, 1928
- Species Lomentaria pertusa Schousboe
- Species Lomentaria phalligera (J.Agardh) Endlicher, 1843 accepted as Lomentaria articulata var. linearis Zanardini, 1841
- Species Lomentaria pinnata Segawa, 1938
- Species Lomentaria prasina De Noraris, 1888
- Species Lomentaria pusilla De Notaris ex Kützing, 1849 accepted as Laurencia nana (C.Agardh) Greville, 1830
- Species Lomentaria pygmaea (J.V.Lamouroux) Gaillon, 1828 accepted as Chylocladia verticillata (Lightfoot) Bliding, 1928
- Species Lomentaria pygmaea Duby, 1830 accepted as Gastroclonium reflexum (Chauvin) Kützing, 1849
- Species Lomentaria pyramidalis Kraft & Womersley, 1996
- Species Lomentaria ramsayana (J.Agardh) Kylin, 1931 accepted as Lomentaria catenata Harvey, 1857
- Species Lomentaria rawitscheri A.B.Joly, 1957
- Species Lomentaria reflexa Chauvin, 1831 accepted as Gastroclonium reflexum (Chauvin) Kützing, 1849
- Species Lomentaria rosea (Harvey) Thuret, 1863 accepted as Lomentaria orcadensis (Harvey) Collins, 1937
- Species Lomentaria saxigena V.J.Chapman & Dromgoole, 1970
- Species Lomentaria secunda (J.D.Hooker & Harvey) V.J.Chapman & Domgoole, 1970
- Species Lomentaria sedifolia (Turner) Strömfelt ex Foslie, 1894 accepted as Lomentaria clavellosa (Lightfoot ex Turner) Gaillon, 1828
- Species Lomentaria sinensis M.Howe, 1924 accepted as Lomentaria hakodatensis Yendo, 1920
- Species Lomentaria squarrosa Kützing, 1843 accepted as Chylocladia verticillata (Lightfoot) Bliding, 1928
- Species Lomentaria strumosa M.J.Wynne, 1998
- Species Lomentaria subdichotoma Ercegovic, 1956
- Species Lomentaria tenera Kützing, 1849
- Species Lomentaria tenera Ercegovic, 1956 accepted as Lomentaria ercegovicii Verlaque, Boudouresque, Meinesz, Giraud & Marcot Coqueugniot, 1977
- Species Lomentaria tenerrima (Esper) P.C.Silva, 1996
- Species Lomentaria torulosa Kützing, 1843 accepted as Chylocladia torulosa (Kützing) Dizerbo, 2007
- Species Lomentaria umbellata (J.D.Hooker & Harvey) Yendo, 1916
- Species Lomentaria uncinata Meneghini, 1840
- Species Lomentaria uncinata Martens ex Kützing, 1849
- Species Lomentaria uvaria (J.A.Murray) Duby, 1830 accepted as Botryocladia botryoides (Wulfen) Feldmann, 1941
- Species Lomentaria valida Kützing, 1865 accepted as Coelarthrum opuntia (Endlicher) Børgesen, 1937
- Species Lomentaria veneta Zanardini, 1847 accepted as Gastroclonium reflexum (Chauvin) Kützing, 1849
- Species Lomentaria verticillata Funk, 1955
- Species Lomentaria zonata J.Agardh, 1852 accepted as Champia zonata (J.Agardh) J.Agardh, 1876
- Species Lomentaria zostericola Harvey, 1855 accepted as Champia zostericola (Harvey) Reedman & Womersley, 1976
- Genus Marchesettia Hauck, 1882
- Genus Semnocarpa Huisman, H.J.Foard & Kraft, 1993 (2)
- Genus Stirnia M.J.Wynne, 2001 (1)
- Genus Yendoa C.C.Santos, Lyra & J.M.C.Nunes, 2022 (1)
- Family Rhodymeniaceae Harvey, 1849 (203)
- Family Rhodymeniales incertae sedis (4)
- Order Sebdeniales (21)
- Order Florideophyceae incertae sedis (8)
- Order Rhodachlyales (2)
- Subphylum (Subdivision) Proteorhodophytina (103)
- Subphylum (Subdivision) Rhodellophytina
- Class Rhodophyceae accepted as Rhodophyta
- Class Rhodophyta incertae sedis (21)
- Subkingdom Viridiplantae (2 907)
- Phylum (Division) Chlorarachniophyta accepted as Chlorarachnea (15)
- Phylum (Division) Chloroplastida
- Phylum (Division) Craspediophyta accepted as Choanozoa
- Phylum (Division) Craspedophyta accepted as Choanozoa
- Phylum (Division) Euglenophyta accepted as Discomitochondria
- Phylum (Division) Glaucophyta
- Phylum (Division) Picozoa (1)
- Phylum (Division) Plantae incertae sedis (11)
- Phylum (Division) Prasinophyta accepted as Prasinophyceae
- Phylum (Division) Prymnesiophyta accepted as Prymnesiophyceae
- Phylum (Division) Rhodelphidia
- Kingdom Protozoa (766)
- Kingdom Viruses (115)
