Genus Merismopedia

Name: Merismopedia Meyen 1839

Category, proposed as: genus, gen. nov.

Etymology: Me.ris.mo.pe’di.a. Gr. masc. n. merismos, division; Gr. neut. n. pedion, a plain, a flat; N.L. fem. n. Merismopedia, a dividing plain

Gender, pronunciation (Latin): feminine (stem: Merismopedi-), me-ris-mo-PE-di-a

Type species: Merismopedia punctata Meyen 1839

Valid publication: Meyen FJF. Neues System der Pflanzen-Physiologie. Dritter Band. S.J. Joseephy - Haude und Spenersche Buchandlung, Berlin, 1839.

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

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Gonidium Ehrenberg ex Meneghini 1840	heterotypic synonym, validly published under the ICN (Botanical Code)
    Erythroconis Ørsted 1842	heterotypic synonym, validly published under the ICN (Botanical Code)
    Agmenellum Brébisson 1839	heterotypic synonym, validly published under the ICN (Botanical Code)

• Notes:
  • 🥇 Nomenclatural type of the family Merismopediaceae Elenkin 1933. Publication: Elenkin AA. O sistematicheskom podrazdenii poryadka Chroococcales Geitler (1925). Trudy Botanicheskogo Instituta Akademii Nauk SSSR, Ser. 2, Sporovye Rasteniya 1933; 1:17-21.
  • 🧕 Bennett and Murray (1889) assigned this genus to the order Chroococcales corrig. Ardissone 1886. Publication: Bennett AW, Murray G. A handbook of cryptogamic botany. Longmans, Green & Co., London, 1889.
  • 🧕 Geitler (1925) assigned this genus to the family Chroococcaceae Rabenhorst 1863. Publication: Geitler L. Synoptische Darstellung der Cyanophyceen in morphologischer und systematischer Hinsicht. Beihefte zum Botanischen Centralblatt 1925; 41:163-294.
  • 🧕 Geitler (1925) assigned this genus to the order Chroococcales corrig. Ardissone 1886. Publication: Geitler L. Synoptische Darstellung der Cyanophyceen in morphologischer und systematischer Hinsicht. Beihefte zum Botanischen Centralblatt 1925; 41:163-294.
  • 🧕 Komarek and Golubic (1990) assigned this genus to the subfamily "Merismopedioideae". 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.
  • 🧕 Strunecky et al. (2023) assigned this genus to the family Microcystaceae Elenkin 1933. 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. 🇨🇿
  • 🧕 West (1904) assigned this genus to the subfamily Chroococcoideae corrig. West 1904. Publication: West GS. A treatise on the British freshwater algae. Cambridge University Press, Cambridge, 1904.
  • 🧒 Lagerheim (1883) assigned the subgenus "Holopedium" to this genus. Publication: Lagerheim G. Bidrag till Sveriges algflora. Öfvers. Kgl. Vetensk.-Ak. Förhandl. 1883; 40:37-78.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Alerismopedia"; "Aterismopedia"; "Bferismopedia"; "Illerismopeclia"; "Jiierismopedia"; "Jilerismopedia"; "Jklerismopedia"; "Jlcrismopedia"; "Jlerismopedia"; "Jllerismopedia"; "Jtlerismopedia"; "Kerismopedia"; "Marssenielia"; "Matismopedia"; "Mcrismopcdia"; "Mcrismopedia"; "Meiismopedia"; "Meismopedia"; "Memmopedia"; "Mensmopedia"; "Meriamopedia"; "Meriamopedla"; "Meriemepedia"; "Merimopedia"; "Merimzopedia"; "Meriosmopedia"; "Merirmopedia"; "Merisimopedia"; "Merisinopedia"; "Merisiopedia"; "Merismapedia"; "Merismepedia"; "Merismnpedia"; "Merismobedia"; "Merismogedia"; "Merismonedia"; "Merismopadia"; "Merismopaedia"; "Merismopcclia"; "Merismopcdia"; "Merismopcedia"; "Merismopeclia"; "Merismopedi"; "Merismopediae"; "Merismopedicz"; "Merismopedio"; "Merismopedium"; "Merismopediwn"; "Merismopedlum"; "Merismopeedia"; "Merismopelia"; "Merismopndia"; "Merismopodia"; "Merismopoetlia"; "Merismopsedia"; "Merisniopedia"; "Merisnmpedia"; "Merisnmpedin"; "Merisnzopedia"; "Merispomedia"; "Merisrnopedia"; "Merisviopedia"; "Meritmopedia"; "Merixmopedia"; "Merlsmopedia"; "Merlxmopedla"; "Mersmopedia"; "Mertsmopedia"; "Mierismopedia"; "Moerigmopedia"; "Mrrismoprpia"; "Mtrismopedia"; "Nerismopedia"; "Smopetlia".
  • 🎰 The BRCs most frequently used for deposits in this group are: CIP: 1; CCUG: 1; ATCC: 1; NCTC: 1.
  • 🧍 Pittman et al. (1991) suggested the abbreviation "MRPD" for this genus name but this does not appear to be of practical relevance any longer. Publication: Pittman KF, Walczak CA, Lock CM. Codes and abbreviations for approved of effectively published names of genera of bacteria published from January 1980 to December 1990. Int J Syst Bacteriol 1991; 41:571-579.

Subdivision:

Number of child taxa with a validly published and correct name: 49
Number of child taxa with a validly published name, including synonyms: 57
Total number of child taxa: 67

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Merismopedia aeruginea Brébisson ex Kützing 1849	validly published under the ICN (Botanical Code)	correct name
    Merismopedia affixa Richter 1895	validly published under the ICN (Botanical Code)	correct name
    Merismopedia africana Komárek and Cronberg 2001	validly published under the ICN (Botanical Code)	correct name
    Merismopedia angularis Thompson 1939	validly published under the ICN (Botanical Code)	correct name
    Merismopedia arctica (Kossinskaja 1933) Komárek and Anagnostidis 1995	validly published under the ICN (Botanical Code)	correct name
    Merismopedia boreocaspica Henckel 1909	validly published under the ICN (Botanical Code)	correct name
    Merismopedia caspica Henckel 1909	validly published under the ICN (Botanical Code)	correct name
    Merismopedia chondroidea Wittrock 1878	validly published under the ICN (Botanical Code)	correct name
    Merismopedia convoluta Brébisson ex Kützing 1849	validly published under the ICN (Botanical Code)	synonym
    "Merismopedia cubicum" West 1912	inaccurate spelling	misspelling
    Merismopedia cyanea Playfair 1918	validly published under the ICN (Botanical Code)	correct name
    Merismopedia danubiana Hortobágyi 1974	validly published under the ICN (Botanical Code)	correct name
    Merismopedia distans Fedorov 1970	validly published under the ICN (Botanical Code)	correct name
    Merismopedia distans Messikommer 1971	validly published under the ICN (Botanical Code), illegitimate name, later homonym	in need of a replacement
    Merismopedia duplex Playfair 1918	validly published under the ICN (Botanical Code)	correct name
    Merismopedia elegans Braun ex Kützing 1849	validly published under the ICN (Botanical Code)	correct name
    Merismopedia elongata Kossinskaja 1930	validly published under the ICN (Botanical Code)	correct name
    Merismopedia ferrophila Hindák 1982	validly published under the ICN (Botanical Code)	correct name
    Merismopedia gardneri (Collins 1904) Setchell 1906	validly published under the ICN (Botanical Code)	correct name
    Merismopedia geminata corrig. Lagerheim 1883	validly published under the ICN (Botanical Code)	synonym
    Merismopedia geminatum Lagerheim 1883	inaccurate spelling (ICN [Botanical Code])	misspelling
    Merismopedia gigas Ryppowa 1925	validly published under the ICN (Botanical Code)	synonym
    Merismopedia glauca (Ehrenberg 1838) Nägeli 1849	validly published under the ICN (Botanical Code), illegitimate name	synonym
    Merismopedia glauca (Ehrenberg 1838) Kützing 1845	validly published under the ICN (Botanical Code)	correct name
    "Merismopedia gonorrhoeae" Zopf 1885	not validly published, basonym of name in Approved Lists	synonym
    Merismopedia haumani Kufferath 1942	inaccurate spelling (ICN [Botanical Code])	misspelling
    Merismopedia haumanii corrig. Kufferath 1942	validly published under the ICN (Botanical Code)	correct name
    Merismopedia hyalina Kützing 1845	validly published under the ICN (Botanical Code)	correct name
    Merismopedia insignis Schkorbatow 1923	validly published under the ICN (Botanical Code)	synonym
    Merismopedia irregularis Lagerheim 1883	validly published under the ICN (Botanical Code)	correct name
    Merismopedia jeaneli Bachmann 1938	inaccurate spelling (ICN [Botanical Code])	misspelling
    Merismopedia jeanellii corrig. Bachmann 1938	validly published under the ICN (Botanical Code)	correct name
    Merismopedia kuetzingii Nägeli 1849	validly published under the ICN (Botanical Code)	correct name
    Merismopedia litoralis corrig. (Ørsted 1842) Rabenhorst 1865	validly published under the ICN (Botanical Code)	correct name
    Merismopedia littoralis (Ørsted 1842) Rabenhorst 1865	inaccurate spelling (ICN [Botanical Code])	misspelling
    Merismopedia major Kützing 1849	validly published under the ICN (Botanical Code)	synonym
    Merismopedia marssonii Lemmermann 1900	validly published under the ICN (Botanical Code)	correct name
    Merismopedia massarti Kufferath 1942	inaccurate spelling (ICN [Botanical Code])	misspelling
    Merismopedia massartii corrig. Kufferath 1942	validly published under the ICN (Botanical Code)	correct name
    Merismopedia mediterranea Nägeli 1849	validly published under the ICN (Botanical Code)	correct name
    Merismopedia minima corrig. Beck 1897	validly published under the ICN (Botanical Code)	correct name
    Merismopedia minimum Beck 1897	inaccurate spelling (ICN [Botanical Code])	misspelling
    Merismopedia nova Wood 1869	validly published under the ICN (Botanical Code)	correct name
    Merismopedia ochracea Mettenheimer 1856	validly published under the ICN (Botanical Code)	correct name
    Merismopedia paludosa Bennett 1886	validly published under the ICN (Botanical Code)	correct name
    Merismopedia prasiola (Meneghini 1837) Trevisan 1845	validly published under the ICN (Botanical Code)	correct name
    Merismopedia punctata Meyen 1839	validly published under the ICN (Botanical Code)	correct name
    Merismopedia quadruplicata (Meneghini 1837) Trevisan 1845	validly published under the ICN (Botanical Code)	correct name
    Merismopedia quaternaria Wawrik 1982	validly published under the ICN (Botanical Code)	correct name
    Merismopedia rectangularis Schiller 1954	validly published under the ICN (Botanical Code)	correct name
    Merismopedia regularis Komárek and Cronberg 2001	validly published under the ICN (Botanical Code)	correct name
    Merismopedia revolutiva corrig. Askenasy 1894	validly published under the ICN (Botanical Code)	correct name
    Merismopedia sabulicola Lagerheim 1883	validly published under the ICN (Botanical Code)	synonym
    Merismopedia sinica Ley 1947	validly published under the ICN (Botanical Code)	correct name
    Merismopedia solitaria Henckel 1909	validly published under the ICN (Botanical Code)	correct name
    Merismopedia sparsa Komárek and Cronberg 2001	validly published under the ICN (Botanical Code)	correct name
    Merismopedia tenuissima corrig. Lemmermann 1898	validly published under the ICN (Botanical Code)	correct name
    Merismopedia tenuissimum Lemmermann 1898	inaccurate spelling (ICN [Botanical Code])	misspelling
    Merismopedia tereki Henckel 1909	validly published under the ICN (Botanical Code)	correct name
    Merismopedia thermalis Kützing 1843	validly published under the ICN (Botanical Code)	correct name
    Merismopedia tranquilla (Brébisson 1834) Trevisan 1845	validly published under the ICN (Botanical Code)	correct name
    Merismopedia trolleri Bachmann 1920	validly published under the ICN (Botanical Code)	correct name
    Merismopedia venezuelica Schiller 1956	validly published under the ICN (Botanical Code)	correct name
    "Merismopedia violacea" (Brébisson 1845) Trevisan 1845	not validly published	synonym
    Merismopedia violacea Kützing 1849	validly published under the ICN (Botanical Code)	correct name
    Merismopedia warmingiana (Lagerheim 1883) Geitler 1932	validly published under the ICN (Botanical Code)	correct name
    Merismopedia willei Gardner 1927	validly published under the ICN (Botanical Code)	correct name

Parent taxon: Merismopediaceae Elenkin 1933

Assigned by: Pokorny J, Kastovsky J, Stenclova LM. Epitypification of Merismopedia tranquilla (Cyanobacteria) prompts phylogenetic reassessment of the genus and the description of two morphologically similar genera. J Phycol 2026; 0:0. 🇨🇿

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.6507Copy to clipboardLink copied to clipboard

Record number: 6507

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