Family Microchaetaceae

Name: Microchaetaceae Lemmermann 1907

Category, proposed as: family, fam. nov.

Etymology: Mi.cro.chae.ta’ce.ae. N.L. fem. pl. n. Microchaetaceae, the Microchaete family

Pronunciation (Latin), gender: mi-kro-k^ha͡e-TA-ke-a͡e, feminine

Type genus: Microchaete Thuret ex Bornet and Flahault 1886

Valid publication: Lemmermann E. Algen I (Schizophyceen, Flagellaten, Peridineen). In: Anonymous NN (eds), Kryptogamenflora der Mark Brandenburg und angrenzender Gebiete herausgegeben von dem Botanischen Verein der Provinz Brandenburg. Dritter Band, Verlag von Gebrüder Borntraeger, Leipzig, 1907, p. 1-304.

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

Taxonomic status: synonym

Correct name: Rivulariaceae Rabenhorst ex Bornet and Flahault 1886

• Synonyms:

  • Name	Kind
    Rivulariaceae Frank 1886	heterotypic synonym, validly published under the ICN (Botanical Code), illegitimate name
    Rivulariaceae Rabenhorst ex Bornet and Flahault 1886	heterotypic synonym, validly published under the ICN (Botanical Code)

• Notes:
  • 🧕 Geitler (1925) assigned this family to the order Nostocales corrig. Borzì 1914. 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 family to the order Nostocales corrig. Borzì 1914. Publication: Hoffmann L, Komárek J, Kastovsky J. System of cyanoprokaryotes (cyanobacteria) - state in 2004. Algological Studies 2005; 117:95-115. 🇱🇺
  • 🧕 Komarek and Golubic (1990) assigned this family to the order Nostocales corrig. Borzì 1914. Publication: Komárek J, Golubić S. Guide to the Nomenclature and formal taxonomic treatment of oxyphototroph prokaryotes (Cyanoprokaryotes). Published by the Authors, Třeboň and Boston, 1990.
  • 🧒 Geitler (1925) assigned the genus Leptobasis Elenkin 1915 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 Hormothamnion Grunow 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 Aulosira Kirchner 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 Microchaete Thuret 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 Desmonema Berkeley and Thwaites 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.
  • 🧒 Hoffmann et al. (2005) assigned the genus Spirirestis Flechtner and Johansen 2002 to this family. Publication: Hoffmann L, Komárek J, Kastovsky J. System of cyanoprokaryotes (cyanobacteria) - state in 2004. Algological Studies 2005; 117:95-115. 🇱🇺
  • 🧒 Hoffmann et al. (2005) assigned the genus Tolypothrix Kützing ex Bornet and Flahault 1886 to this family. Publication: Hoffmann L, Komárek J, Kastovsky J. System of cyanoprokaryotes (cyanobacteria) - state in 2004. Algological Studies 2005; 117:95-115. 🇱🇺
  • 🧒 Hoffmann et al. (2005) assigned the genus Petalonema Berkeley ex Correns 1889 to this family. Publication: Hoffmann L, Komárek J, Kastovsky J. System of cyanoprokaryotes (cyanobacteria) - state in 2004. Algological Studies 2005; 117:95-115. 🇱🇺
  • 🧒 Hoffmann et al. (2005) assigned the genus Camptylonemopsis Desikachary 1948 to this family. Publication: Hoffmann L, Komárek J, Kastovsky J. System of cyanoprokaryotes (cyanobacteria) - state in 2004. Algological Studies 2005; 117:95-115. 🇱🇺
  • 🧒 Hoffmann et al. (2005) assigned the genus Microchaete Thuret ex Bornet and Flahault 1886 to this family. Publication: Hoffmann L, Komárek J, Kastovsky J. System of cyanoprokaryotes (cyanobacteria) - state in 2004. Algological Studies 2005; 117:95-115. 🇱🇺
  • 🧒 Hoffmann et al. (2005) assigned the genus Coleodesmium Borzì ex Geitler 1942 to this family. Publication: Hoffmann L, Komárek J, Kastovsky J. System of cyanoprokaryotes (cyanobacteria) - state in 2004. Algological Studies 2005; 117:95-115. 🇱🇺
  • 🧒 Hoffmann et al. (2005) assigned the genus Hassallia Berkeley ex Bornet and Flahault 1886 to this family. Publication: Hoffmann L, Komárek J, Kastovsky J. System of cyanoprokaryotes (cyanobacteria) - state in 2004. Algological Studies 2005; 117:95-115. 🇱🇺
  • 🧒 Hoffmann et al. (2005) assigned the genus Coleodesmiopsis corrig. Dutt et al. 1982 to this family. Publication: Hoffmann L, Komárek J, Kastovsky J. System of cyanoprokaryotes (cyanobacteria) - state in 2004. Algological Studies 2005; 117:95-115. 🇱🇺
  • 🧒 Hoffmann et al. (2005) assigned the genus "Fortiea" to this family. Publication: Hoffmann L, Komárek J, Kastovsky J. System of cyanoprokaryotes (cyanobacteria) - state in 2004. Algological Studies 2005; 117:95-115. 🇱🇺
  • 🧒 Komarek and Anagnostidis (1989) assigned the subfamily Microchaetoideae Komárek and Anagnostidis 1989 to this family. Publication: Komárek J, Anagnostidis K. Modern approach to the classification system of Cyanophytes 4 - Nostocales. Algological Studies 1989; 56:247-345.
  • 🧒 Komarek and Anagnostidis (1989) assigned the subfamily Tolypotrichoideae Komárek and Anagnostidis 1989 to this family. Publication: Komárek J, Anagnostidis K. Modern approach to the classification system of Cyanophytes 4 - Nostocales. Algological Studies 1989; 56:247-345.
  • 🧒 Komarek and Golubic (1990) assigned the genus Leptobasis Elenkin 1915 to this family. Publication: Komárek J, Golubić S. Guide to the Nomenclature and formal taxonomic treatment of oxyphototroph prokaryotes (Cyanoprokaryotes). Published by the Authors, Třeboň and Boston, 1990.
  • 🧒 Komarek and Golubic (1990) assigned the genus Arthronema Komárek and Lukavský 1988 to this family. Publication: Komárek J, Golubić S. Guide to the Nomenclature and formal taxonomic treatment of oxyphototroph prokaryotes (Cyanoprokaryotes). Published by the Authors, Třeboň and Boston, 1990.
  • 🧒 Komarek and Golubic (1990) assigned the genus Arthrosiphon Kützing ex Frank 1886 to this family. Publication: Komárek J, Golubić S. Guide to the Nomenclature and formal taxonomic treatment of oxyphototroph prokaryotes (Cyanoprokaryotes). Published by the Authors, Třeboň and Boston, 1990.
  • 🧒 Komarek and Golubic (1990) assigned the genus "Fremyella" to this family. Publication: Komárek J, Golubić S. Guide to the Nomenclature and formal taxonomic treatment of oxyphototroph prokaryotes (Cyanoprokaryotes). Published by the Authors, Třeboň and Boston, 1990.
  • 🧒 Komarek and Golubic (1990) assigned the subfamily Microchaetoideae Komárek and Anagnostidis 1989 to this family. Publication: Komárek J, Golubić S. Guide to the Nomenclature and formal taxonomic treatment of oxyphototroph prokaryotes (Cyanoprokaryotes). Published by the Authors, Třeboň and Boston, 1990.
  • 🧒 Komarek and Golubic (1990) assigned the subfamily Tolypotrichoideae Komárek and Anagnostidis 1989 to this family. Publication: Komárek J, Golubić S. Guide to the Nomenclature and formal taxonomic treatment of oxyphototroph prokaryotes (Cyanoprokaryotes). Published by the Authors, Třeboň and Boston, 1990.
  • 🧒 Lemmermann (1907) assigned the genus Microchaete Thuret ex Bornet and Flahault 1886 to this family. Publication: Lemmermann E. Algen I (Schizophyceen, Flagellaten, Peridineen). In: Anonymous NN (eds), Kryptogamenflora der Mark Brandenburg und angrenzender Gebiete herausgegeben von dem Botanischen Verein der Provinz Brandenburg. Dritter Band, Verlag von Gebrüder Borntraeger, Leipzig, 1907, p. 1-304.
  • 🛺 The type genus of this family has been placed in the family Rivulariaceae Rabenhorst ex Bornet and Flahault 1886. 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. 🇨🇿
  • 🚃 The type genus of this family has alternatively been placed in the family Scytonemataceae corrig. Frank 1886. Publication: Bornet É, Flahault C. Revision des Nostocacées hétérocystées contenues dans les principaux herbiers de France (Troisième fragment). Annales des Sciences Naturelles, Botanique, Septième série 1886; 5:51-129.
  • 🚋 The type genus of this family has alternatively been placed in the family Rivulariaceae Rabenhorst ex Bornet and Flahault 1886. Publication: Freese HM, Meier-Kolthoff JP, Sarda Carbasse J, Afolayan AO, Goker M. TYGS and LPSN in 2025: a Global Core Biodata Resource for genome-based classification and nomenclature of prokaryotes within DSMZ Digital Diversity. Nucleic Acids Res 2026; 54:D884-D891. 🇩🇪
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Micerochaetaceae"; "Michrochaetaceae"; "Microchaciaceae"; "Microchaefaceae"; "Microcheetaceae"; "Microchtetaceae"; "Microclmetaceae"; "Mierochaetaceae".
  • ❗ Microchaetaceae is the correct name instead if this family is regarded as a separate family (i.e., if its nomenclatural type is not assigned to another family whose name is validly published, legitimate and not rejected and has priority).
  • 🧍 According to Silva (1980) as circumscribed in the Index Nominum Genericorum, this family includes Leptobasis Elenkin 1915, which is a later homonym and the type of the family name Leptobasaceae Elenkin 1917, which is not in accordance with the rules of the ICNafp. 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.

Parent taxon: Nostocales corrig. Borzì 1914

Assigned by: LPSN automated production system. The following publication is only one of the sources consulted. It may or may not mention this taxon name. — 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: 6123