Between brackets is the number of accepted extant species
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Shows the number of accepted extant species within the taxon
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- Biota (12 686)
- Kingdom Animalia (9 792)
- Kingdom Archaea (1)
- Kingdom Bacteria (310)
- Kingdom Chromista (956)
- Kingdom Fungi (740)
- Kingdom Plantae (822)
- Subkingdom Biliphyta (68)
- Phylum (Division) Rhodophyta (68)
- Subphylum (Subdivision) Eurhodophytina (66)
- Class Bangiophyceae (4)
- Class Florideophyceae (62)
- Subclass Ahnfeltiophycidae (1)
- Subclass Corallinophycidae
- Subclass Hildenbrandiophycidae (1)
- Subclass Nemaliophycidae (8)
- Subclass Rhodymeniophycidae (52)
- Order Bonnemaisoniales (2)
- Order Ceramiales (23)
- Suborder Ceramiineae
- Suborder Spermothamniineae
- Family Callithamniaceae Kützing, 1843 (2)
- Family Ceramiaceae Dumortier, 1822 (4)
- Family Delesseriaceae Bory, 1828 (11)
- Subfamily Delesserioideae Stizenberger, 1860 (2)
- Tribe Botryocarpeae M.J.Wynne, 2001
- Tribe Delesserieae J.Agardh, 1841 (1)
- Tribe Membranoptereae M.J.Wynne, 2001 (1)
- Subfamily Nitophylloideae Stizenberger, 1860 (4)
- Subfamily Phycodryoideae Showe M.Lin, S.Fredericq & M.H.Hommersand, 2001 (3)
- Subfamily Sarcomenioideae De Toni, 1900 (2)
- Family Rhodomelaceae Horaninow, 1847 (3)
- Family Wrangeliaceae J.Agardh, 1851 (3)
- Order Gigartinales (15)
- Order Gracilariales (3)
- Order Halymeniales (1)
- Order Peyssonneliales (1)
- Order Plocamiales (5)
- Order Rhodymeniales (2)
- Subphylum (Subdivision) Metarhodophytina
- Subphylum (Subdivision) Proteorhodophytina (2)
- Subphylum (Subdivision) Rhodellophytina
- Class Rhodophyceae accepted as Rhodophyta
- Class Rhodophyta incertae sedis
- Subkingdom Viridiplantae (754)
- Phylum (Division) Plantae incertae sedis
- Kingdom Protozoa (65)
