Name: Chroococcales corrig. Ardissone 1886

Category: Order

Proposed as: ord. nov.

Etymology: Chro.o.coc.ca’les. N.L. fem. pl. n. Chroococcales, the Chroococcus order

Pronunciation, gender: k^hro-o-kok-KA-les, feminine

Type genus: Chroococcus Nägeli 1849

Valid publication: Ardissone F. Phycologia mediterranea. Parte IIa. Oosporee-Zoosporee-Schizosporee. Tipografia Maj e Malnati, Varese, 1886.

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

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    "Cyanobacteriales" Rippka and Cohen-Bazire 1983	heterotypic synonym, not validly published
    "Prochlorales" Lewin 1977	heterotypic synonym, not validly published
    "Prochlorales" (ex Lewin 1977) Florenzano et al. 1986	heterotypic synonym, not validly published
    Chroococcoideae Wettstein 1901	homotypic synonym, inaccurate spelling and illegitimate (ICN [Botanical Code])
    Chroococcoideae Ardissone 1886	other spelling of name, inaccurate spelling (ICN [Botanical Code])
    Dermocarpales Geitler 1925	heterotypic synonym, validly published under the ICN (Botanical Code)
    Pleurocapsales Cavalier-Smith 2002	heterotypic synonym, validly published under the ICNP, rejected name
    Chroococcales Cavalier-Smith 2002	homotypic synonym, validly published under the ICNP, rejected name
    Siphononematidea Walton 1931	heterotypic synonym, inaccurate spelling (ICN [Botanical Code])
    Chroococcaceae Bennett and Murray 1889	homotypic synonym, inaccurate spelling and illegitimate (ICN [Botanical Code])
    Chroococcales Frémy 1930	homotypic synonym, validly published under the ICN (Botanical Code), illegitimate name
    Pleurocapsales Geitler 1925	heterotypic synonym, validly published under the ICN (Botanical Code)
    Chroococcales corrig. Bennett and Murray 1889	homotypic synonym, validly published under the ICN (Botanical Code), illegitimate name
    Chroococcales Schaffner 1922	homotypic synonym, validly published under the ICN (Botanical Code), illegitimate name
    Chroococcales Geitler 1925	homotypic synonym, validly published under the ICN (Botanical Code), illegitimate name
    Siphononematales corrig. Walton 1931	heterotypic synonym, validly published under the ICN (Botanical Code)

• Notes:
  • 🧕 Cavalier-Smith (2002) assigned this order to the class Chroobacteria Cavalier-Smith 2002. Publication: Cavalier-Smith T. The neomuran origin of archaebacteria, the negibacterial root of the universal tree and bacterial megaclassification. Int J Syst Evol Microbiol 2002; 52:7-76. 🇬🇧
  • 🧕 Geitler (1925) assigned this order to the class "Chroococceae". Publication: Geitler L. Synoptische Darstellung der Cyanophyceen in morphologischer und systematischer Hinsicht. Beihefte zum Botanischen Centralblatt 1925; 41:163-294.
  • 🧕 Geitler (1925) assigned this order to the subclass "Chroococceae" Geitler 1925. Publication: Geitler L. Synoptische Darstellung der Cyanophyceen in morphologischer und systematischer Hinsicht. Beihefte zum Botanischen Centralblatt 1925; 41:163-294.
  • 🧕 Hoffmann et al. (2005) assigned this order to the class Cyanophyceae Hauck 1885. 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 this order to the subclass "Oscillatoriophycidae" Hoffmann et al. 2005. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115. 🇱🇺
  • 🧕 Komarek et al. (2014) assigned this order to the subclass "Oscillatoriophycidae" Hoffmann et al. 2005. 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. 🇨🇿
  • 🧕 Strunecky et al. (2023) assigned this order to the class Cyanophyceae Hauck 1885. 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. 🇨🇿
  • 🧒 Ardissone (1886) assigned the genus Chroococcus Nägeli 1849 to this order. Publication: Ardissone F. Phycologia mediterranea. Parte IIa. Oosporee-Zoosporee-Schizosporee. Tipografia Maj e Malnati, Varese, 1886.
  • 🧒 Bennett and Murray (1889) assigned the genus Sirosiphon Kützing ex Frank 1886 to this order. Publication: Bennett AW, Murray G. A handbook of cryptogamic botany. Longmans, Green & Co., London, 1889.
  • 🧒 Bennett and Murray (1889) assigned the genus Aphanocapsa Nägeli 1849 to this order. Publication: Bennett AW, Murray G. A handbook of cryptogamic botany. Longmans, Green & Co., London, 1889.
  • 🧒 Bennett and Murray (1889) assigned the genus Aphanothece Nägeli 1849 to this order. Publication: Bennett AW, Murray G. A handbook of cryptogamic botany. Longmans, Green & Co., London, 1889.
  • 🧒 Bennett and Murray (1889) assigned the genus Coelosphaerium Nägeli 1849 to this order. Publication: Bennett AW, Murray G. A handbook of cryptogamic botany. Longmans, Green & Co., London, 1889.
  • 🧒 Bennett and Murray (1889) assigned the genus Chroococcus Nägeli 1849 to this order. Publication: Bennett AW, Murray G. A handbook of cryptogamic botany. Longmans, Green & Co., London, 1889.
  • 🧒 Bennett and Murray (1889) assigned the genus Synechococcus Nägeli 1849 to this order. Publication: Bennett AW, Murray G. A handbook of cryptogamic botany. Longmans, Green & Co., London, 1889.
  • 🧒 Bennett and Murray (1889) assigned the genus Stigonema Agardh ex Bornet and Flahault 1886 to this order. Publication: Bennett AW, Murray G. A handbook of cryptogamic botany. Longmans, Green & Co., London, 1889.
  • 🧒 Bennett and Murray (1889) assigned the genus Calothrix Agardh ex Bornet and Flahault 1886 to this order. Publication: Bennett AW, Murray G. A handbook of cryptogamic botany. Longmans, Green & Co., London, 1889.
  • 🧒 Bennett and Murray (1889) assigned the genus Merismopedia Meyen 1839 to this order. Publication: Bennett AW, Murray G. A handbook of cryptogamic botany. Longmans, Green & Co., London, 1889.
  • 🧒 Bennett and Murray (1889) assigned the genus Microcystis Kützing 1833 to this order. Publication: Bennett AW, Murray G. A handbook of cryptogamic botany. Longmans, Green & Co., London, 1889.
  • 🧒 Bennett and Murray (1889) assigned the genus Clathrocystis Henfrey 1856 to this order. Publication: Bennett AW, Murray G. A handbook of cryptogamic botany. Longmans, Green & Co., London, 1889.
  • 🧒 Bennett and Murray (1889) assigned the genus Tetrapedia Reinsch 1867 to this order. Publication: Bennett AW, Murray G. A handbook of cryptogamic botany. Longmans, Green & Co., London, 1889.
  • 🧒 Fremy (1930) assigned the genus Chroococcus Nägeli 1849 to this order. Publication: Frémy AP. Les Myxophycées de l'Afrique équatoriale française. Archives de Botanique, Mémoires 1930; 3:1-508.
  • 🧒 Geitler (1925) assigned the genus Gloeocapsa Kützing 1843 to this order. 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 Aphanocapsa Nägeli 1849 to this order. 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 Aphanothece Nägeli 1849 to this order. 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 Chroococcus Nägeli 1849 to this order. 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 Synechococcus Nägeli 1849 to this order. 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 Gomphosphaeria Kützing 1836 to this order. 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 Merismopedia Meyen 1839 to this order. 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 Tetrapedia Reinsch 1867 to this order. Publication: Geitler L. Synoptische Darstellung der Cyanophyceen in morphologischer und systematischer Hinsicht. Beihefte zum Botanischen Centralblatt 1925; 41:163-294.
  • 🧒 Geitler (1925) assigned the section Gloeocapsa (Kützing 1843) Nägeli 1849 to this order. Publication: Geitler L. Synoptische Darstellung der Cyanophyceen in morphologischer und systematischer Hinsicht. Beihefte zum Botanischen Centralblatt 1925; 41:163-294.
  • 🧒 Hindak (2002) assigned the genus Planktocyanocapsa Hindák 2002 to this order. Publication: Hindák F. Four new chroococcalean species (Cyanophyta/Cyanobacteria) from Western Slovakia. Biologia, Bratislava 2002; 57:415-422.
  • 🧒 Hoffmann et al. (2005) assigned the family Spirulinaceae (Gomont 1892) Hoffmann et al. 2005 to this order. 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 family Xenococcaceae Ercegović 1932 to this order. 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 family Dermocarpellaceae Ginsburg-Ardré ex Christensen 1978 to this order. 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 family "Prochloraceae" Lewin 1977 to this order. 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 family "Cyanobacteriaceae" to this order. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115. 🇱🇺
  • 🧒 Komarek and Anagnostidis (1995) assigned the subfamily Siphononematoideae (Geitler 1925) Komárek and Anagnostidis 1995 to this order. Publication: Komárek J, Anagnostidis K. Nomenclatural novelties in chroococcalean cyanoprokaryotes. Preslia, Praha 1995; 67:15-23.
  • 🧒 Komarek and Golubic (1990) assigned the family Xenococcaceae Ercegović 1932 to this order. 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 family Hyellaceae Borzì 1914 to this order. 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 family Chamaesiphonaceae Borzì 1878 to this order. 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 family Dermocarpellaceae Ginsburg-Ardré ex Christensen 1978 to this order. 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 family Merismopediaceae Elenkin 1933 to this order. 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 family "Synechococcaceae" to this order. 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 family "Synechocystaceae" to this order. 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 Anacystis Meneghini 1837 to this order. 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 Endospora Gardner 1927 to this order. 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 family Aphanothecaceae (Komárek and Anagnostidis 1986) Komárek et al. 2014 to this order. 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 family Cyanotrichaceae corrig. Kisselew 1947 to this order. 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 family "Cyanobacteriaceae" Komárek et al. 2014 to this order. 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 family Cyanothrichaceae Kisselew 1947 to this order. 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. 🇨🇿
  • 🧒 Luchinina (1987) assigned the family Chabakoviaceae Korde 1973 to this order. Publication: Luchinina VA. Sinezelyonye vodorosli (Cyanobacteria). Trudy Instituta Geologii i Geofiziki 1987; 674:12-38.
  • 🧒 Mares et al. (2019) assigned the genus Zehria Johansen and Mareš 2019 to this order. Publication: Mares J, Johansen JR, Hauer T, Zima JJ, Ventura S, Cuzman O, Tiribilli B, Kastovsky J. Taxonomic resolution of the genus Cyanothece (Chroococcales, Cyanobacteria), with a treatment on Gloeothece and three new genera, Crocosphaera, Rippkaea, and Zehria. J Phycol 2019; 55:578-610. 🇺🇸
  • 🧒 Mares et al. (2019) assigned the genus Rippkaea Johansen and Mareš 2019 to this order. Publication: Mares J, Johansen JR, Hauer T, Zima JJ, Ventura S, Cuzman O, Tiribilli B, Kastovsky J. Taxonomic resolution of the genus Cyanothece (Chroococcales, Cyanobacteria), with a treatment on Gloeothece and three new genera, Crocosphaera, Rippkaea, and Zehria. J Phycol 2019; 55:578-610. 🇺🇸
  • 🧒 Parte et al. (2020) assigned the family "Exococcaceae" Stizenberger 1860 to this order. Publication: Parte AC, Sarda Carbasse J, Meier-Kolthoff JP, Reimer LC, Goker M. List of Prokaryotic names with Standing in Nomenclature (LPSN) moves to the DSMZ. Int J Syst Evol Microbiol 2020; 70:5607-5612. 🇩🇪
  • 🧒 Schaffner (1922) assigned the family Chamaesiphonaceae Borzì 1878 to this order. Publication: Schaffner JH. The classification of plants XII. Ohio Journal of Science 1922; 22:129-139.
  • 🧒 Schaffner (1922) assigned the genus Chroococcus Nägeli 1849 to this order. Publication: Schaffner JH. The classification of plants XII. Ohio Journal of Science 1922; 22:129-139.
  • 🧒 Starmach (1966) assigned the family "Cyanochloridaceae" Fritsch 1945 to this order. Publication: Starmach K. Cyanophyta-Sinice. Glaucophyta-Glaukofity. In: Starmach K (eds), Flora slodkowodna Polski. Band 2, Panstwowe Wydawnietwo Naukowe, Warszawa, 1966, p. 807.
  • 🧒 Strunecky et al. (2023) assigned the family Cyanotrichaceae corrig. Kisselew 1947 to this order. 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. 🇨🇿
  • 🧒 Strunecky et al. (2023) assigned the family Pleurocapsaceae Geitler 1925 to this order. 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. 🇨🇿
  • 🧒 Strunecky et al. (2023) assigned the family "Prochloraceae" Lewin 1977 to this order. 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. 🇨🇿
  • 🧒 Yilmaz et al. (2014) assigned the genus Chalicogloea Roldán et al. 2013 to this order. Publication: Yilmaz P, Parfrey LW, Yarza P, Gerken J, Pruesse E, Quast C, Schweer T, Peplies J, Ludwig W, Glöckner FO. The SILVA and “all-species living tree project (LTP)” taxonomic frameworks. Nucleic Acids Research 2014; 42(D1):D643-D648. 🇩🇪
  • 🧒 Yilmaz et al. (2014) assigned the genus Rubidibacter Choi et al. 2008 to this order. Publication: Yilmaz P, Parfrey LW, Yarza P, Gerken J, Pruesse E, Quast C, Schweer T, Peplies J, Ludwig W, Glöckner FO. The SILVA and “all-species living tree project (LTP)” taxonomic frameworks. Nucleic Acids Research 2014; 42(D1):D643-D648. 🇩🇪
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Chmococcales"; "Chmocoocales"; "Choococcales"; "Chorococcales"; "Chreccoceales"; "Chreeceecales"; "Chreecoccales"; "Chrobcoccales"; "Chroccocales"; "Chroccoccales"; "Chrococeales"; "Chrocooccales"; "Chrocooceales"; "Chroecoccales"; "Chroncoccales"; "Chrooccocales"; "Chrooceccales"; "Chroococecales"; "Chroococoales"; "Chroocococcales"; "Chroocoocales"; "Chroocotcales"; "Chroocrmcales"; "Chrooeaccales"; "Chroscoccales"; "Chzoococcales"; "Claroococcales"; "Cliroococcales"; "Cllroococcales"; "Clzroococcales"; "Ihroococcales"; "Iliroococcales"; "Jhroococeales"; "Ohroococcales"; "Zhlorococcales".
  • 🎰 The BRCs most frequently used for deposits in this group are: UC: 23; CBFS: 17; SP: 17; FCME: 14; BRNM: 11; PCC: 10; LEGE: 8; CCALA: 7; NIES: 7; CALU: 7.
  • 🧍 Chroococcales Ardissone 1886 corrig., originally spelled Chroococcoideae, was proposed as cohort (cohors) and is therefore treated as order according to Article 17.2. Publication: McNeill J, Barrie FR, Buck WR, Demoulin V, Greuter W, Hawksworth DL, Herendeen PS, Knapp S, Marhold K, Prado J, et al. International Code of Nomenclature for Algae, Fungi and Plants (Melbourne Code). Koeltz Scientific Books, Königstein, 2012.

Subdivision:

Number of child taxa with a validly published and correct name: 11
Number of child taxa with a validly published name, including synonyms: 28
Total number of child taxa: 37

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Aphanothecaceae (Komárek and Anagnostidis 1986) Komárek et al. 2014	validly published under the ICN (Botanical Code)	synonym
    "Beckiaceae" Elenkin 1933	not validly published	synonym
    Chroococcaceae Rabenhorst 1863	validly published under the ICN (Botanical Code)	correct name
    [Chroococcales, not assigned to family]	artificial parent node of taxa incertae sedis
    Chroococcidiaceae Geitler 1933	validly published under the ICN (Botanical Code)	synonym
    Coelosphaeriaceae Elenkin 1933	validly published under the ICN (Botanical Code)	synonym
    "Cyanobacteriaceae" Komárek et al. 2014	not validly published	synonym
    "Cyanocytaceae" Hall and Claus 1963	not validly published	preferred name
    Dermocarpaceae Geitler 1925	validly published under the ICN (Botanical Code)	correct name
    Dermocarpellaceae Ginsburg-Ardré ex Christensen 1978	validly published under the ICN (Botanical Code)	synonym
    Endonemataceae Pascher ex Schmidt 1937	validly published under the ICN (Botanical Code), illegitimate name	synonym
    Endonemataceae Pascher ex Elenkin 1935	validly published under the ICN (Botanical Code), illegitimate name	synonym
    "Endonemataceen" Pascher 1929	inaccurate spelling	misspelling
    Entophysalidaceae Geitler 1925	validly published under the ICN (Botanical Code)	correct name
    "Exococcaceae" Stizenberger 1860	not validly published	synonym
    Geminocystaceae Tuji et al. 2021	validly published under the ICN (Botanical Code)	correct name
    Gomphosphaeriaceae Elenkin 1933	validly published under the ICN (Botanical Code)	correct name
    Halothecaceae Strunecký and Mareš 2023	validly published under the ICN (Botanical Code)	correct name
    Holopediaceae Elenkin 1933	validly published under the ICN (Botanical Code), illegitimate name	synonym
    Hydrococcaceae Kützing 1843	validly published under the ICN (Botanical Code)	correct name
    Hyellaceae Borzì 1914	validly published under the ICN (Botanical Code)	synonym
    Lermontovaephycaceae Vologdin 1962	validly published under the ICN (Botanical Code)	correct name
    Leuconemataceae Kaas 1983	validly published under the ICN (Botanical Code)	correct name
    Merismopediaceae Elenkin 1933	validly published under the ICN (Botanical Code)	synonym
    Microcystaceae Elenkin 1933	validly published under the ICN (Botanical Code)	correct name
    Pleurocapsaceae Geitler 1925	validly published under the ICN (Botanical Code), illegitimate name	synonym
    Podocapsaceae Ercegović 1932	validly published under the ICN (Botanical Code), illegitimate name	synonym
    "Prochloraceae" Lewin 1977	not validly published	synonym
    "Prochloraceae" (ex Lewin 1977) Florenzano et al. 1986	not validly published	synonym
    Rubidibacteraceae Chuvochina et al. 2024	validly published under the ICNP	synonym
    Scopulonemataceae Ercegović 1932	validly published under the ICN (Botanical Code)	synonym
    Siphononemataceae Geitler 1925	validly published under the ICN (Botanical Code)	synonym
    Skujapeltaceae Hall and Claus 1967	validly published under the ICN (Botanical Code)	correct name
    "Stichosiphonaceae" Hoffmann et al. 2005	not validly published	preferred name
    Vesiculariaceae Vologdin 1962	validly published under the ICN (Botanical Code), illegitimate name	in need of a replacement
    Woronichiniaceae Elenkin 1933	validly published under the ICN (Botanical Code)	synonym
    Xenococcaceae Ercegović 1932	validly published under the ICN (Botanical Code)	synonym

Parent taxon: Chroococcophyceae Hollerbach et al. 1953

Assigned by: Hollerbach MM, Kosinskaya EK, Polyansky VI. Sinezelenye vodorosli. In: Anonymous NN (eds), Opredelitel presnovodnykh vodoroslej SSSR, Sovetskaya Nauka, Moskva, 1953, p. 652.

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Record number: 53674