念珠藻科
下级分类

本科包括以下属：
Aetokthonos S.B.Wilde & J.R.Johansen, 2014
Aetokthonos hydrillicola
Albrightia Copeland 1936
Anabaenidium Schopf 1968
Anabaenidium johnsonii Schopf 1968
Archaeoellipsoides Horodyski and Donaldson 1980
Archaeoellipsoides bactroformis Sergeev et al. 1995
Archaeoellipsoides costatus Sergeev et al. 1995
Archaeoellipsoides grandis Horodyski and Donaldson 1980
Baradlaia Palik 1960
Baradlaia speluncicola Palik 1960，也拼作：''Baradlaia speluncaecola
Brachytrichiopsis Jao 1944
Chondrogloea Schmidle 1902
Colteronema Copeland 1936
Desmonostoc Hrouzek and Ventura 2013
Desmonostoc alborizicum Nowruzi et al. 2022
Desmonostoc danxiaense Cai and Li 2018
Desmonostoc entophytum Hrouzek et al. 2013
Desmonostoc geniculatum Miscoe et al. 2016
Desmonostoc linckia Hrouzek et al. 2013
Desmonostoc magnisporum Saraf et al. 2018
Desmonostoc muscorum (Agardh ex Bornet and Flahault 1886) Hrouzek and Ventura 2013
Desmonostoc persicum Kabirnataj et al. 2020
Desmonostoc punense (Singh 2016) Saraf et al. 2018
Desmonostoc salinum de Alvarenga et al. 2018
Desmonostoc vinosum Miscoe and Johansen 2016
侧生藻属 Fischerella (Bornet & Flahault) Gomont 1895
Fischerellopsis Fritsch 1932
Geitleria Friedmann 1955
Handeliella Skuja 1937
软管藻属 Hapalosiphon Nägeli in Kützing ex Bornet & Flahault 1887
Hyphomorpha Borzì 1916
Isocystis Borzì ex Bornet and Flahault 1886
Isocystis andalusica González Guerrero 1946，也拼作：Isocystis andalusicus
Isocystis halobia Anagnostidis and Roussomoustakaki 1991
Isocystis lithophila Ercegović 1932
Isocystis messanensis Borzì ex Bornet and Flahault 1886
Isocystis minutissima (Kützing 1843) Komárek and Anagnostidis 1989，也拼作：Isocystis minutissimum
Isocystis richteri (Elenkin 1949) Komárek and Anagnostidis 1989
Leptopogon Borzì 1917
Leptopogon galilaeus Dor and Baldinger 1994
Leptopogon intricatus Borzì 1917
Letestuinema Frémy 1930
Letestuinema gabonense Frémy 1930
Letestuinema perpusillum Frémy 1930
Loefgrenia Gomont 1896
Loriella Borzì 1892
Mastigocladus Cohn ex Kirchner 1898
Mastigocoleopsis Geitler 1925
鞭鞘藻属 Mastigocoleus Lagerheim ex Bornet & Flahault 1887
Matteia Borzě 1907
Neocylindrospermum Tawong, Poncharoen & Saijuntha, 2022
Neocylindrospermum variakineticum
念珠藻属 Nostoc Vaucher ex Bornet and Flahault 1886
Parakomarekiella Soares, Ramos & Portugal, 2021
Parakomarekiella sesnandensis
Roholtiella Bohunická et al. 2015
Roholtiella bashkiriorum Gaysina and Bohunická 2015
Roholtiella edaphica Bohunická and Lukešová 2015
Roholtiella fluviatilis Johansen and Gaysina 2015
Roholtiella mixta Abdullin and Gontcharov 2021
Roholtiella mojavensis Pietrasiak and Johansen 2015，也拼作：Roholtiella mojaviensis
Roholtiella volcanica Gaysina et al. 2022
Sinonostocopsis Molinari and Guiry 2021
Sinonostocopsis desmoides (Yin and Li 1978) Molinari and Guiry 2021
Spelaeopogon Borzì, 1917
Spelaeopogon cavaraeS Borzì 1917
Spelaeopogon lucifugusS Borzì 1917
Spelaeopogon sommieri Borzì 1917，也拼作：Spelaeopogon sommierii
Spermosira Kützing ex Frank 1886，为Nostocaceae Eichler 1886的异名
Sphaerozyga Agardh ex Frank 1886
Thalpophila Borzì, 1907
Thalpophila caldaria Emoto and Yoneda 1941
Thalpophila cossyrensis Borzì 1917
Thalpophila imperialis Copeland 1936
三离藻属 Trichormus (Ralfs ex Bornet & Flahault) Komárek & Anagnostidis, 1989
Veteronostocale Schopf and Blacic 1971
Veteronostocale amoenum Schopf and Blacic 1971
Veteronostocale medium Sergeev et al. 1995
Westiella Borzì, 1907
Westiella intricata Borzì 1917
Westiella lanosa Frémy 1924
拟惠氏藻属 Westiellopsis Janet, 1941
Westiellopsis akinetica Mishra et al. 2020
印度拟惠氏藻 Westiellopsis indica Bourrelly 1970
Westiellopsis mahabalei Biradar 1977
Westiellopsis prolifica Janet 1941
Westiellopsis ramosa Bagchi 2017