Name: Nostocaceae Eichler 1886

Category: Family

Proposed as: fam. nov.

Etymology: Nos.toca’ce.ae. N.L. fem. pl. n. Nostocaceae, the Nostoc family

Gender: feminine

Type genus: Nostoc Vaucher ex Bornet and Flahault 1886

Valid publication: Eichler AW. Syllabus der Vorlesungen über specielle und medicinisch-pharmaceutische Botanik, 4. Aufl. Gebrüder Borntraeger, Berlin, 1886.

Nomenclatural status: validly published under the ICN (Botanical Code)

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Isocystaceae (Borzì 1886) Elenkin 1917	heterotypic synonym, validly published under the ICN (Botanical Code)
    Camptylonemopsidaceae Dutt et al. 1975	heterotypic synonym, validly published under the ICN (Botanical Code)
    Pseudonostocaceae Elenkin 1949	heterotypic synonym, validly published under the ICN (Botanical Code)
    Nostochaceae Frank 1886	homotypic synonym, inaccurate spelling and illegitimate (ICN [Botanical Code])
    "Fortieaceae" Komárek et al. 2014	heterotypic synonym, not validly published
    "Nostoceae" Kützing 1843	homotypic synonym, inaccurate spelling
    Nostocaceae corrig. Frank 1886	homotypic synonym, validly published under the ICN (Botanical Code), illegitimate name
    Leptobasaceae Elenkin 1917	heterotypic synonym, validly published under the ICN (Botanical Code), illegitimate name
    Nostocaceae Wolle 1887	homotypic synonym, validly published under the ICN (Botanical Code), illegitimate name
    "Nostocidae" Walton 1931	homotypic synonym, inaccurate spelling

• Notes:
  • 🧒 Alvarenga et al. (2021) assigned the genus Amazonocrinis Alvarenga et al. 2021 to this family. Publication: Alvarenga DO, Andreote APD, Branco LHZ, Delbaje E, Cruz RB, Varani AM, Fiore MF. Amazonocrinis nigriterrae gen. nov., sp. nov., Atlanticothrix silvestris gen. nov., sp. nov. and Dendronalium phyllosphericum gen. nov., sp. nov., nostocacean cyanobacteria from Brazilian environments. Int J Syst Evol Microbiol 2021; 71:4811.
  • 🧒 Alvarenga et al. (2021) assigned the genus Atlanticothrix Alvarenga et al. 2021 to this family. Publication: Alvarenga DO, Andreote APD, Branco LHZ, Delbaje E, Cruz RB, Varani AM, Fiore MF. Amazonocrinis nigriterrae gen. nov., sp. nov., Atlanticothrix silvestris gen. nov., sp. nov. and Dendronalium phyllosphericum gen. nov., sp. nov., nostocacean cyanobacteria from Brazilian environments. Int J Syst Evol Microbiol 2021; 71:4811.
  • 🧒 Alvarenga et al. (2021) assigned the genus Dendronalium Alvarenga et al. 2021 to this family. Publication: Alvarenga DO, Andreote APD, Branco LHZ, Delbaje E, Cruz RB, Varani AM, Fiore MF. Amazonocrinis nigriterrae gen. nov., sp. nov., Atlanticothrix silvestris gen. nov., sp. nov. and Dendronalium phyllosphericum gen. nov., sp. nov., nostocacean cyanobacteria from Brazilian environments. Int J Syst Evol Microbiol 2021; 71:4811.
  • 🧒 Bagchi et al. (2017) assigned the genus Aliinostoc Bagchi et al. 2017 to this family. Publication: Bagchi SN, Dubey N, Singh P. Phylogenetically distant clade of Nostoc-like taxa with the description of Aliinostoc gen. nov. and Aliinostoc morphoplasticum sp. nov. Int J Syst Evol Microbiol 2017; 67:3329-3338.
  • 🧒 Bornet and Flahault (1886) assigned the genus Hormothamnion Grunow ex Bornet and Flahault 1886 to this family. Publication: Bornet É, Flahault C. Revision des Nostocacées hétérocystées contenues dans les principaux herbiers de France (quatrième et dernier fragment). Annales des Sciences Naturelles, Botanique, Septième Série 1886; 7:177-262.
  • 🧒 Cai et al. (2019) assigned the genus Minunostoc Cai and Li 2019 to this family. Publication: Cai F, Li X, Geng R, Peng X, Li R. Phylogenetically distant clade of Nostoc-like taxa with the description of Minunostoc gen. nov. and Minunostoc cylindricum sp. nov. Fottea 2019; 19:13-24.
  • 🧒 Eichler (1886) assigned the genus Sirosiphon Kützing ex Frank 1886 to this family. Publication: Eichler AW. Syllabus der Vorlesungen über specielle und medicinisch-pharmaceutische Botanik, 4. Aufl. Gebrüder Borntraeger, Berlin, 1886.
  • 🧒 Eichler (1886) assigned the genus Anabaena Bory ex Bornet and Flahault 1886 to this family. Publication: Eichler AW. Syllabus der Vorlesungen über specielle und medicinisch-pharmaceutische Botanik, 4. Aufl. Gebrüder Borntraeger, Berlin, 1886.
  • 🧒 Eichler (1886) assigned the genus Scytonema Agardh ex Bornet and Flahault 1886 to this family. Publication: Eichler AW. Syllabus der Vorlesungen über specielle und medicinisch-pharmaceutische Botanik, 4. Aufl. Gebrüder Borntraeger, Berlin, 1886.
  • 🧒 Eichler (1886) assigned the genus Rivularia (Roth 1797) Agardh ex Bornet and Flahault 1886 to this family. Publication: Eichler AW. Syllabus der Vorlesungen über specielle und medicinisch-pharmaceutische Botanik, 4. Aufl. Gebrüder Borntraeger, Berlin, 1886.
  • 🧒 Geitler (1925) assigned the genus Wollea Bornet and Flahault 1886 to this family. Publication: Geitler L. Synoptische Darstellung der Cyanophyceen in morphologischer und systematischer Hinsicht. Beihefte zum Botanischen Centralblatt 1925; 41:163-294.
  • 🧒 Geitler (1925) assigned the genus Anabaena Bory ex Bornet and Flahault 1886 to this family. Publication: Geitler L. Synoptische Darstellung der Cyanophyceen in morphologischer und systematischer Hinsicht. Beihefte zum Botanischen Centralblatt 1925; 41:163-294.
  • 🧒 Geitler (1925) assigned the genus Cylindrospermum Kützing ex Bornet and Flahault 1886 to this family. Publication: Geitler L. Synoptische Darstellung der Cyanophyceen in morphologischer und systematischer Hinsicht. Beihefte zum Botanischen Centralblatt 1925; 41:163-294.
  • 🧒 Geitler (1925) assigned the genus Aphanizomenon Morren ex Bornet and Flahault 1886 to this family. Publication: Geitler L. Synoptische Darstellung der Cyanophyceen in morphologischer und systematischer Hinsicht. Beihefte zum Botanischen Centralblatt 1925; 41:163-294.
  • 🧒 Geitler (1925) assigned the genus Nodularia Mertens ex Bornet and Flahault 1886 to this family. Publication: Geitler L. Synoptische Darstellung der Cyanophyceen in morphologischer und systematischer Hinsicht. Beihefte zum Botanischen Centralblatt 1925; 41:163-294.
  • 🧒 Geitler (1925) assigned the genus Anabaenopsis Miller 1923 to this family. Publication: Geitler L. Synoptische Darstellung der Cyanophyceen in morphologischer und systematischer Hinsicht. Beihefte zum Botanischen Centralblatt 1925; 41:163-294.
  • 🧒 Genuario et al. (2015) assigned the genus Halotia Genuário et al. 2015 to this family. Publication: Genuario DB, Vaz MG, Hentschke GS, Sant'Anna CL, Fiore MF. Halotia gen. nov., a phylogenetically and physiologically coherent cyanobacterial genus isolated from marine coastal environments. Int J Syst Evol Microbiol 2015; 65:663-675.
  • 🧒 Hoffmann et al. (2005) assigned the genus "Cyanospira" Florenzano et al. 1985 to this family. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • 🧒 Hoffmann et al. (2005) assigned the genus Raphidiopsis Fritsch and Rich 1929 to this family. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • 🧒 Hoffmann et al. (2005) assigned the genus Cylindrospermopsis Seenayya and Subba Raju 1972 to this family. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • 🧒 Hoffmann et al. (2005) assigned the genus Wollea Bornet and Flahault 1886 to this family. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • 🧒 Hoffmann et al. (2005) assigned the genus Anabaena Bory ex Bornet and Flahault 1886 to this family. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • 🧒 Hoffmann et al. (2005) assigned the genus Aulosira Kirchner ex Bornet and Flahault 1886 to this family. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • 🧒 Hoffmann et al. (2005) assigned the genus Cylindrospermum Kützing ex Bornet and Flahault 1886 to this family. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • 🧒 Hoffmann et al. (2005) assigned the genus Aphanizomenon Morren ex Bornet and Flahault 1886 to this family. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • 🧒 Hoffmann et al. (2005) assigned the genus Hydrocoryne Schwabe ex Bornet and Flahault 1886 to this family. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • 🧒 Hoffmann et al. (2005) assigned the genus Nodularia Mertens ex Bornet and Flahault 1886 to this family. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • 🧒 Hoffmann et al. (2005) assigned the genus Trichormus (Ralfs ex Bornet and Flahault 1886) Komárek and Anagnostidis 1989 to this family. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • 🧒 Hoffmann et al. (2005) assigned the genus Anabaenopsis Miller 1923 to this family. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • 🧒 Hoffmann et al. (2005) assigned the genus "Dolichospermum" Thwaites ex Ralfs 1850 to this family. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115.
  • 🧒 Komarek and Golubic (1990) assigned the genus "Limnochlide" Kützing 1843 to this family. Publication: Komarek J, Golubic S. Guide to the Nomenclature and formal taxonomic treatment of oxyphototroph prokaryotes (Cyanoprokaryotes). Unknown Publisher, Unknown City, 1990.
  • 🧒 Komarek and Golubic (1990) assigned the genus "Nostocus" to this family. — 🧒 Komarek and Golubic (1990) assigned the subfamily "Anabaenoideae" to this family. — 🧒 Komarek and Golubic (1990) assigned the subfamily "Nostocoideae" to this family. Publication: Komarek J, Golubic S. Guide to the Nomenclature and formal taxonomic treatment of oxyphototroph prokaryotes (Cyanoprokaryotes). Unknown Publisher, Unknown City, 1990.
  • 🧒 Komarek et al. (2014) assigned the genus Macrospermum Komárek 2008 to this family. Publication: Komárek J, Kaštovský J, Mareš J, Johansen JR. Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach. Preslia 2014; 86:295-335.
  • 🧒 Komarek et al. (2014) assigned the genus Cronbergia Komárek et al. 2010 to this family. Publication: Komárek J, Kaštovský J, Mareš J, Johansen JR. Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach. Preslia 2014; 86:295-335.
  • 🧒 Komarek et al. (2014) assigned the genus Cyanocohniella Kaštovský et al. 2014 to this family. Publication: Komárek J, Kaštovský J, Mareš J, Johansen JR. Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach. Preslia 2014; 86:295-335.
  • 🧒 Komarek et al. (2014) assigned the genus Wollea Bornet and Flahault 1886 to this family. Publication: Komárek J, Kaštovský J, Mareš J, Johansen JR. Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach. Preslia 2014; 86:295-335.
  • 🧒 Komarek et al. (2014) assigned the genus Cylindrospermum Kützing ex Bornet and Flahault 1886 to this family. Publication: Komárek J, Kaštovský J, Mareš J, Johansen JR. Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach. Preslia 2014; 86:295-335.
  • 🧒 Komarek et al. (2014) assigned the genus Hydrocoryne Schwabe ex Bornet and Flahault 1886 to this family. Publication: Komárek J, Kaštovský J, Mareš J, Johansen JR. Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach. Preslia 2014; 86:295-335.
  • 🧒 Komarek et al. (2014) assigned the genus Trichormus (Ralfs ex Bornet and Flahault 1886) Komárek and Anagnostidis 1989 to this family. Publication: Komárek J, Kaštovský J, Mareš J, Johansen JR. Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach. Preslia 2014; 86:295-335.
  • 🧒 Komarek et al. (2014) assigned the genus "Goleter" to this family. Publication: Komárek J, Kaštovský J, Mareš J, Johansen JR. Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach. Preslia 2014; 86:295-335.
  • 🧒 Lee et al. (2021) assigned the genus Pseudoaliinostoc Lee et al. 2021 to this family. Publication: Lee N-J, Bang S-D, Kim T, Ki J-S, Lee O-M. Pseudoaliinostoc sejongens gen. & sp. nov. (Nostocales, Cyanobacteria) from floodplain soil of the Geum River in Korea based on polyphasic approach. Phytotaxa 2021; 479:55-70.
  • 🧒 Mädler (1963) assigned the genus Nostocopsis Mädler 1963 to this family. Publication: Mädler K. Die figurierten organischen Bestandteile der Posidonienschiefer. Beihefte zum Geologischen Jahrbuch 1963; 58:287-406.
  • 🧒 Miscoe et al. (2016) assigned the genus Goleter Miscoe and Johansen 2016 to this family. Publication: Miscoe LH, Johansen JR, Vaccarino MA, Pietrasiak N, Sherwood AR. The diatom flora and cyobacteria from caves on Kauai, Hawaii. II. Novel cyanobacteria from caves on Kauai, Hawaii. Bibliotheca Phycologica 2016; 120:75-152.
  • 🧒 Randhawa (1936) assigned the genus Anabaenothrix Randhawa 1936 to this family. Publication: Randhawa MS. Genus Anabaenothrix and parallelism in evolution in freshwater algae. Proceedings of the Indian Academy of Sciences, Section B 1936; 3:407-410.
  • 🧒 Saraf et al. (2019) assigned the genus Desikacharya Saraf et al. 2019 to this family. Publication: Saraf AG, Dawda HG, Singh P. Desikacharya gen. nov., a phylogenetically distinct genus of Cyanobacteria along with the description of two new species, Desikacharya nostocoides sp. nov. and Desikacharya soli sp. nov., and reclassification of Nostoc thermotolerans to Desikacharya thermotolerans comb. nov. Int J Syst Evol Microbiol 2019; 69:307-315.
  • 🧒 Strunecky et al. (2023) assigned the genus Dendronalium Alvarenga et al. 2021 to this family. Publication: Strunecky O, Ivanova AP, Mares J. An updated classification of cyanobacterial orders and families based on phylogenomic and polyphasic analysis. J Phycol 2023; 59:12-51.
  • 🧒 Tawong et al. (2021) assigned the genus Neowollea Tawong 2021 to this family. Publication: Tawong W, Pongcharoen P, Pongpadung P, Ponza S. Validation of "Neowollea manoromense" Tawong, nom. inval. (Cyanophyta, Nostocaceae) from Thailand. Notulae Algarum 2021; 214:1-2.
  • 🧒 Wolle (1887) assigned the tribe Sirosiphoneae Wolle 1887 to this family. Publication: Wolle F. Fresh Water Algae of the United States. The Comenius Press, Bethlehem, Pa., 1887.
  • 🧒 Wolle (1887) assigned the tribe Nostoceae Kützing ex Bornet and Flahault 1886 to this family. Publication: Wolle F. Fresh Water Algae of the United States. The Comenius Press, Bethlehem, Pa., 1887.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Mostocaceae"; "Naostocaceae"; "Nastocaceae"; "Noestocaceae"; "Nosfocaceae"; "Nosiocaceae"; "Noslocaceae"; "Nosmcaceae"; "Nosrocaceae"; "Nostccaceae"; "Nostockaceae"; "Nostococcaceae"; "Nostooaceae"; "Nostoohaceae"; "Nostoraceae"; "Vostocaceae"; "Xostocaceae".
  • 🎰 The BRCs most frequently used for deposits in this group are: CBFS: 8; MCC: 6; CCALA: 6; SP: 4; BRY: 3; BISH: 3; NMC: 2; FCME: 2; PCC: 2; NIVA-CYA: 2.
  • 🧍 According to Silva (1980) as circumscribed in the Index Nominum Genericorum, the Nostocaceae include Nodularia Mertens ex Bornet et Flahault 1886 (nom. cons), the type of Nodulariaceae Elenkin 1916; Isocystis, the type of lsocystaceae (Borzì) Elenkin 1917; Aulosira, the type of Aulosiraceae (Bornet et Flahault) Woronichin 1926; Anabaena Bory ex Bornet et Flahault 1886, which is a later homonym and the type of the family name Anabaenaceae Elenkin 1938, which is not in accordance with the rules of the ICNafp; Aphanizomenon, the type of Aphanizomenaceae Elenkin 1938; and "with a query" Pseudonostoc, the type of Pseudonostocaceae Elenkin 1949, apparently a superfluous name initially applied to a family that included both Camptothrix, the type of Camptotrichaceae W. West et G. S. West 1897, and Isocystis. Silva (1980) also remarks: "The provision for later starting points in the nomenclature of filamentous blue-green algae complicates the task of ascertaining correct family names. Four commonly recognized families – Nostocaceae, Oscillatoriaceae, Rivulariaceae, and Scytonemataceae – were described at least 40 years before the starting points. There would be no problem if these families had been recognized by the starting-point monographers, but in fact those authors placed all filamentous bluegreen algae in one family, Hormogoneae Bornet et Flahault 1886, bearing a descriptive name and hence invalid. The authorships of Nostocaceae, Oscillatoriaceae, Rivulariaceae, and Scytonemataceae indicated herein correspond to the first valid post-starting point use of these names that I have been able to discover.". Publication: Silva PC. Names of classes and families of living algae with special reference to their use in the Index Nominum Genericorum (Plantarum). Bohn, Scheltema & Holkema, Utrecht, 1980.
  • 🧍 See also Borzì (1892). Publication: Borzí A. Alghe d'acqua dolce della Papuasia raccolte su cranii umani dissepolti. Nuova Notarisia 1892; 3:35-53.

Subdivision:

Number of child taxa with a validly published and correct name: 26
Number of child taxa with a validly published name, including synonyms: 30
Total number of child taxa: 49

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Amorphonostoc Elenkin 1936	validly published under the ICN (Botanical Code)	synonym
    Anabaenidium Schopf 1968	validly published under the ICN (Botanical Code)	correct name
    "Anabaina" Bory 1822	not validly published	preferred name
    Archaeoellipsoides Horodyski and Donaldson 1980	validly published under the ICN (Botanical Code)	correct name
    Belmontia Archibald 1967	validly published under the ICN (Botanical Code)	correct name
    Calochaete Hauer et al. 2013	validly published under the ICN (Botanical Code)	correct name
    Camptylonemopsis Desikachary 1948	validly published under the ICN (Botanical Code)	correct name
    "Coleospermopsis" Hauer et al. 2014	not validly published	preferred name
    Compactonostoc Cai and Li 2019	validly published under the ICN (Botanical Code)	correct name
    Constrictifilum Chavadar et al. 2021	validly published under the ICN (Botanical Code)	correct name
    "Cystocoleus" Thuret 1875	not validly published	preferred name
    Desmonostoc Hrouzek and Ventura 2013	validly published under the ICN (Botanical Code)	correct name
    Echeverriopsis Kufferath 1929	validly published under the ICN (Botanical Code)	correct name
    [Fortiea]	preliminary entry that lacks crucial information
    Heterocyanococcus Kufferath 1929	validly published under the ICN (Botanical Code)	correct name
    "Hilsea" Kirchner 1878	not validly published	preferred name
    "Hormosiphon" Kützing 1843	not validly published	preferred name
    Isocystis Borzì ex Bornet and Flahault 1886	validly published under the ICN (Botanical Code)	correct name
    Komarekiella Hentschke et al. 2017	validly published under the ICN (Botanical Code)	correct name
    Leptobasis Elenkin 1915	validly published under the ICN (Botanical Code), illegitimate name	synonym
    Limnanthe Kützing ex Forti 1907	validly published under the ICN (Botanical Code)	correct name
    "Linckia" Wiggers 1780	not validly published	preferred name
    "Linkia" Micheli ex Adanson 1763	not validly published	preferred name
    Mojavia Řeháková and Johansen 2007	validly published under the ICN (Botanical Code)	correct name
    "Monormia" Berkeley 1833	not validly published	preferred name
    "Nematonostoc" Nylander 1873	not validly published	preferred name
    Nostoc Vaucher ex Bornet and Flahault 1886	validly published under the ICN (Botanical Code)	correct name
    "Nostochium" Link 1820	not validly published	preferred name
    Parakomarekiella Soares et al. 2021	validly published under the ICN (Botanical Code)	correct name
    "Polycoccus" Kützing 1843	not validly published	synonym
    "Polycoccus" Kützing 1841	not validly published	synonym
    "Pseudonostoc" Elenkin 1935	not validly published	synonym
    Pseudonostoc Elenkin 1949	validly published under the ICN (Botanical Code)	synonym
    Richelia Schmidt 1902	validly published under the ICN (Botanical Code)	correct name
    Roholtiella Bohunická et al. 2015	validly published under the ICN (Botanical Code)	correct name
    Sinonostocopsis Molinari and Guiry 2021	validly published under the ICN (Botanical Code)	correct name
    "Spelaea" Miscoe et al. 2014	not validly published	preferred name
    Spermosira Kützing ex Frank 1886	validly published under the ICN (Botanical Code)	correct name
    "Spermosira" Kützing 1843	not validly published	synonym
    Sphaeronostoc Elenkin 1931	validly published under the ICN (Botanical Code)	correct name
    "Sphaerozyga" Agardh 1827	not validly published	synonym
    Sphaerozyga Agardh ex Frank 1886	validly published under the ICN (Botanical Code)	correct name
    Spongophycus Korde 1954	validly published under the ICN (Botanical Code)	correct name
    Stratonostoc Elenkin 1931	validly published under the ICN (Botanical Code), illegitimate name	synonym
    Thiochaete Welsh 1961	validly published under the ICN (Botanical Code)	correct name
    "Tolypothrichopsis" Hauer et al. 2014	not validly published	preferred name
    "Undina" Fries 1825	not validly published	preferred name
    Veteronostocale Schopf and Blacic 1971	validly published under the ICN (Botanical Code)	correct name
    Violetonostoc Cai and Li 2020	validly published under the ICN (Botanical Code)	correct name

Parent taxon: Nostocales corrig. Borzì 1914

Assigned by: Strunecky O, Ivanova AP, Mares J. An updated classification of cyanobacterial orders and families based on phylogenomic and polyphasic analysis. J Phycol 2023; 59:12-51.

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Record number: 2012