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 (879)
- Kingdom Animalia (681)
- Kingdom Bacteria (5)
- Kingdom Chromista (179)
- Subkingdom Hacrobia (4)
- Subkingdom Harosa (91)
- Phylum Bacillariophyta
- Phylum Heterokontophyta (84)
- Subphylum Bacillariophytina (84)
- Class Bacillariophyceae (84)
- Subclass Bacillariophyceae incertae sedis
- Subclass Bacillariophycidae (22)
- Subclass Coscinodiscophycidae (57)
- Superorder Biddulphianae (5)
- Superorder Chaetocerotanae (18)
- Superorder Corethranae (1)
- Superorder Coscinodiscanae (16)
- Superorder Cymatosirophycanae
- Superorder Lithodesmiophycanae
- Superorder Rhizosolenianae (7)
- Order Rhizosoleniales (7)
- Family Rhizosoleniaceae De Toni, 1890 (7)
- Genus Dactyliosolen A.F. Castracane, 1886
- Genus Guinardia H. Peragallo, 1892
- Genus Neocalyptrella D.U. Hernández-Becerril & M.E. Meave del Castillo, 1997
- Genus Proboscia Bo G. Sundström, 1986
- Genus Rhizosolenia T. Brightwell, 1858 (4)
- Species Rhizosolenia delicatula Cleve, 1900
- Species Rhizosolenia flaccida Castracane, 1886
- Species Rhizosolenia fragilissima Bergon, 1903 accepted as Dactyliosolen fragilissimus (Bergon) Hasle, 1996
- Forma Rhizosolenia fragilissima f. fragilissima Bergon, 1903
- Species Rhizosolenia hebetata Bailey, 1856
- Species Rhizosolenia imbricata Brightwell, 1858
- Species Rhizosolenia indica H.Peragallo, 1892
- Species Rhizosolenia phuketensis B.G.Sundström, 1980
- Species Rhizosolenia pungens Cleve-Euler, 1937 represented as Sundstroemia pungens (Cl.-Euler) Medlin, Lundholm, Boonprakob, Moestrup in Medlin et al., 2021
- Species Rhizosolenia robusta G.Norman ex Ralfs, 1861
- Species Rhizosolenia setigera Brightwell, 1858 represented as Sundstroemia setigera (Brightwell) Medlin in Medlin et al., 2021
- Species Rhizosolenia shrubsolei Cleve, 1881
- Species Rhizosolenia similoides Cleve-Euler, 1951 represented as Sundstroemia similoides (Cl.-Euler) Medlin, Lundholm, Boonprakob & Moestrup in Medlin et al., 2021
- Species Rhizosolenia styliformis T.Brightwell, 1858
- Genus Sundstroemia Medlin, Boonprakob, Lundholm & Moestrup, 2021 (3)
- Superorder Thalassiosiranae (10)
- Subclass Fragilariophycidae (5)
- Kingdom Plantae (14)
- Kingdom Protozoa