Name: Actinomyces Harz 1877 (Approved Lists 1980)

Category: Genus

Proposed as: gen. nov.

Etymology: Gr. fem. n. aktis (gen. aktînos), ray; Gr. masc. n. mykês, fungus; N.L. masc. n. Actinomyces, ray fungus, referring to the radial arrangement of filaments in Actinomyces bovis sulfur granules

Gender: masculine (stem: Actinomycet-)

Type species: Actinomyces bovis Harz 1877 (Approved Lists 1980)

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Harz CO. Actinomyces bovis, ein neuer Schimmel in den Geweben des Rindes. Deutsche Zeitschrift für Thiermedizin 1877-1878; 5:125-140.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Synonyms:

  • Name	Kind
    "Actinobacterium" Sampietro 1908	heterotypic synonym, not validly published
    "Odontomyces" Howell et al. 1965	heterotypic synonym, not validly published

• Emendations:
  • Nouioui et al. 2018 Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007. Oren A, Garrity GM. List of changes in taxonomic opinion no. 29. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2019; 69:13-32.
    Notes:
    • ⊖ Emendation accompanied by the removal of 20 species from the genus.

• Notes:
  • 🥇 Nomenclatural type of the class Actinomycetes Krassilnikov 1949 (Approved Lists 1980). Publication: Krassilnikov NA. Opredelitelv Bakterii i Actinomicetov. Akademii Nauk SSSR, Moscow, 1949.
  • 🥇 Nomenclatural type of the family Actinomycetaceae Buchanan 1918 (Approved Lists 1980). Publication: Buchanan RE. Studies in the Nomenclature and Classification of the Bacteria: VIII. The Subgroups and Genera of the Actinomycetales. J Bacteriol 1918; 3:403-406.
  • 🥇 Nomenclatural type of the order Actinomycetales Buchanan 1917 (Approved Lists 1980). Publication: Buchanan RE. Studies in the Nomenclature and Classification of the Bacteria: II. The Primary Subdivisions of the Schizomycetes. J Bacteriol 1917; 2:155-164.
  • 🥇 Nomenclatural type of the phylum Actinomycetota Goodfellow 2021. Publication: Oren A, Garrity GM. Valid publication of the names of forty-two phyla of prokaryotes. Int J Syst Evol Microbiol 2021; 71:5056.
  • 🥇 Nomenclatural type of the suborder Actinomycineae Stackebrandt et al. 1997. Publication: Stackebrandt E, Rainey FA, Ward-Rainey NL. Proposal for a new hierarchic classification system, Actinobacteria classis nov. Int. J. Syst. Bacteriol. 1997; 47:479-491.
  • 🥇 Nomenclatural type of the suborder Actinomycetineae corrig. Stackebrandt et al. 1997. Publication: Stackebrandt E, Rainey FA, Ward-Rainey NL. Proposal for a new hierarchic classification system, Actinobacteria classis nov. Int. J. Syst. Bacteriol. 1997; 47:479-491.
  • 🧕 Buchanan (1917) assigned this genus to the order Actinomycetales Buchanan 1917 (Approved Lists 1980). Publication: Buchanan RE. Studies in the Nomenclature and Classification of the Bacteria: II. The Primary Subdivisions of the Schizomycetes. J Bacteriol 1917; 2:155-164.
  • 🧕 Cavalier-Smith (1981) assigned this genus to the subkingdom "Eubacteria" Cavalier-Smith 1981. Publication: Cavalier-Smith T. Eukaryote kingdoms: seven or nine? Biosystems 1981; 14:461-481.
  • 🧕 Cavalier-Smith (2002) assigned this genus to the class Arthrobacteria 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.
  • 🧕 Cavalier-Smith and Chao (2020) assigned this genus to the phylum "Actinobacteria" Goodfellow 2012. Publication: Cavalier-Smith T, Chao EE. Multidomain ribosomal protein trees and the planctobacterial origin of neomura (eukaryotes, archaebacteria). Protoplasma 2020; 257:621-753.
  • 🧕 Gibbons and Murray (1978) assigned this genus to the division Firmicutes corrig. Gibbons and Murray 1978 (Approved Lists 1980). Publication: Gibbons NE, Murray RGE. Proposals Concerning the Higher Taxa of Bacteria. International Journal of Systematic Bacteriology 1978; 28:1-6.
  • 🧕 Goodfellow and Williams (1983) assigned this genus to the uncategorized "Actinobacteria" Goodfellow and Williams 1983. Publication: Goodfellow M, Williams ST. Ecology of actinomycetes. Annu Rev Microbiol 1983; 37:189-216.
  • 🧕 Oren and Garrity (2021) assigned this genus to the phylum Actinomycetota Goodfellow 2021. Publication: Oren A, Garrity GM. Valid publication of the names of forty-two phyla of prokaryotes. Int J Syst Evol Microbiol 2021; 71:5056.
  • 🧕 Stackebrandt et al. (1997) assigned this genus to the suborder Actinomycetineae corrig. Stackebrandt et al. 1997. Publication: Stackebrandt E, Rainey FA, Ward-Rainey NL. Proposal for a new hierarchic classification system, Actinobacteria classis nov. Int. J. Syst. Bacteriol. 1997; 47:479-491.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Acainomyces"; "Accinamyces"; "Accinomyces"; "Accinomyceu"; "Accinumyces"; "Acdnomyces"; "Achnomyces"; "Aciinamyces"; "Aciinomyces"; "Acinomyces"; "Aclinomyccs"; "Aclinomyces"; "Acninomyces"; "Acrinomyces"; "Acsinamyces"; "Actinamyccs"; "Actinamyces"; "Actinamycex"; "Actinamyoes"; "Actinmnyces"; "Actinnmyces"; "Actinoinyces"; "Actinomvces"; "Actinomyas"; "Actinomycas"; "Actinomycca"; "Actinomycces"; "Actinomyccs"; "Actinomycea"; "Actinomycees"; "Actinomycer"; "Actinomyceshas"; "Actinomycetis"; "Actinomycex"; "Actinomycm"; "Actinomycvs"; "Actinomyees"; "Actinomyooa"; "Actinomyr"; "Actinomyres"; "Actinomyua"; "Actinomyws"; "Actinornyces"; "Actinqmyces"; "Actinumyccs"; "Actinumyces"; "Actinumycm"; "Actinwmyces"; "Actirmmyces"; "Actiuamyccs"; "Actiuomyces"; "Actlnomyces"; "Actmomyces"; "Actznomyces"; "Aczinamyces"; "Aczinomyccs"; "Aczinomyces"; "Adinomyces"; "Aktinomyces"; "Aminomyces"; "Antinomyces"; "Aotinomyces"; "Artinumyces"; "Atinomyces"; "Avlinomyces"; "Avtinomyccs".
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Hall et al. (2005), Hoyles et al. (2002), Yang et al. (2021), Pascual et al. (1999), Yassin et al. (2015). Editors in search of reviewers are advised to consider additional criteria such as whether a taxon is covered by one of the ICSP subcommittees.
  • 🎰 The BRCs most frequently used for deposits in this group are: NRRL: 276; ATCC: 234; DSM: 194; JCM: 182; NBRC: 156; IFO: 153; CBS: 150; VKM: 112; BCRC: 83; CCRC: 82.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 2 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for France has been imported on 2024-08-30. The full classification is: risk group = 2. — The risk group for Sweden has been imported on 2024-02-05. The full classification is: risk group = 2. — The risk group for United Kingdom has been imported on 2024-01-31. The full classification is: risk group = 2. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🧍 Pittman et al. (1991) suggested the abbreviation "ATMY" 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: 35
Number of child taxa with a validly published name, including synonyms: 62
Total number of child taxa: 241

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Actinomyces acetigenes Tian et al. 2024	validly published under the ICNP	correct name
    "Actinomyces acrimycini" Preobrazhenskaya et al. 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces actinomycetemcomitans" Iinuma et al. 1994	not validly published	preferred name (not correct name)
    "Actinomyces ahygroscopicus" Chiu and Wu 1963	not validly published	synonym (and no standing)
    "Actinomyces alboflavus" Waksman and Curtis 1916	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces albosporeus" Krainsky 1914	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces albovinaceus" Kudrina 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces alboviridis" Duché 1934	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces almquisti" Duché 1934	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces ansochromogenes" Yen and Zhang 1964	not validly published	synonym (and no standing)
    "Actinomyces anthocyanicus" Krassilnikov et al. 1965	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces antibioticus" Waksman and Woodruff 1941	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces atrolaccus" Yen 1957	not validly published	preferred name (not correct name)
    "Actinomyces atroolivaceus" Preobrazhenskaya et al. 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces atrovirens" Preobrazhenskaia et al. 1971	not validly published	preferred name (not correct name)
    "Actinomyces aurantiogriseus" Preobrazhenskaya 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces aureocirculatus" Krassilnikov and Yuan 1965	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces aureoverticillatus" Krassilnikov and Yuan 1960	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces bacillaris" Krassilnikov 1958	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces badius" Kudrina 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces bernardiae Funke et al. 1995	validly published under the ICNP	synonym
    "Actinomyces biverticillatus" Preobrazhenskaya 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces bobili" Waksman and Curtis 1916	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces bouchesdurhonensis" Mbogning Fonkou et al. 2018	not validly published	preferred name (not correct name)
    Actinomyces bovis Harz 1877 (Approved Lists 1980)	validly published under the ICNP	correct name
    Actinomyces bowdenii Pascual et al. 1999	validly published under the ICNP	correct name
    "Actinomyces brunneofungus" Krasil'nikov et al. 1971	not validly published	preferred name (not correct name)
    "Actinomyces cacaoi" Waksman 1932	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces caeruleus" Baldacci 1944	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces californicus" Waksman and Curtis 1916	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces canis Hoyles et al. 2000	validly published under the ICNP	synonym
    Actinomyces capricornis Saito et al. 2022	validly published under the ICNP	correct name
    Actinomyces cardiffensis Hall et al. 2003	validly published under the ICNP	synonym
    "Actinomyces castaneoglobisporus" Yen 1957	not validly published	synonym (and no standing)
    "Actinomyces castaneus" Yen 1957	not validly published	synonym (and no standing)
    Actinomyces catuli Hoyles et al. 2001	validly published under the ICNP	correct name
    "Actinomyces cellulosae" Krainsky 1914	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces chromofuscus" Preobrazhenskaya et al. 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces chryseus" Krassilnikov et al. 1965	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces cinereorectus" Chugasova et al. 1974	not validly published	preferred name (not correct name)
    "Actinomyces cinereoviridis" Korobkova et al. 1972	not validly published	preferred name (not correct name)
    "Actinomyces cinnabarinus" Ryabova and Preobrazhenskaya 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces citreofluorescens" Korenyako et al. 1960	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces clavifer" Millard and Burr 1926	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces coelescens" Krassilnikov et al. 1965	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces coeruleofuscus" Preobrazhenskaya 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces coeruleorubidus" Preobrazhenskaya 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces coerulescens" Preobrazhenskaya 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces coleocanis Hoyles et al. 2002	validly published under the ICNP	synonym
    "Actinomyces cremeospinus" Gauze et al. 1975	not validly published	preferred name (not correct name)
    "Actinomyces cremeus" Kudrina 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces cristalomycini" Rutkowska et al. 1995	not validly published	preferred name (not correct name)
    "Actinomyces culturomici" Fonkou et al. 2018	not validly published	preferred name (not correct name)
    "Actinomyces cyaneofuscatus" Kudrina 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces cyaneogriseus" Yen 1956	not validly published	synonym (and no standing)
    "Actinomyces cyaneus" Krassilnikov 1941	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces cyanoalbus" Krassilnikov and Agre 1960	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces daghestanicus" Sveshnikova 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces dentalis Hall et al. 2005	validly published under the ICNP	correct name
    Actinomyces denticolens Dent and Williams 1984	validly published under the ICNP	correct name
    "Actinomyces dentocariosus" Onishi 1949	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces diastaticus" Krainsky 1914	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces diastatochromogenes" Krainsky 1914	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces eriksonii" Cato et al. 1970	not validly published	preferred name (not correct name)
    "Actinomyces erythreus" Waksman 1923	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces europaeus Funke et al. 1997	validly published under the ICNP	synonym
    "Actinomyces exfoliatus" Waksman and Curtis 1916	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces faecalis Zhou et al. 2021	validly published under the ICNP	correct name
    "Actinomyces fimbriatus" Millard and Burr 1926	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces fimicarius" Duché 1934	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces finlayi" Szabó et al. 1963	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces flaveolus" Waksman 1923	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces flavidovirens" Kudrina 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces flavogriseus" Duché 1934	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces flavomacrosporus" Yen 1957	not validly published	synonym (and no standing)
    "Actinomyces flavotricini" Preobrazhenskaya and Sveshnikova 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces flavovirens" Waksman 1923	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces flocculus" Duché 1934	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces fluorescens" Krassilnikov 1958	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces fradii" Waksman and Curtis 1916	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces fulvissimus" Jensen 1930	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces fulvoviolaceus" Artamonova and Krassilnikov 1960	not validly published	synonym (and no standing)
    "Actinomyces fulvoviridis" Kuchaeva et al. 1960	not validly published	synonym (and no standing)
    "Actinomyces fumanus" Sveshnikova 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces funkei Lawson et al. 2001	validly published under the ICNP	synonym
    "Actinomyces gallicus" Erikson 1935	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces gaoshouyii Meng et al. 2017	validly published under the ICNP	correct name
    "Actinomyces gelaticus" Waksman 1923	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces georgiae Johnson et al. 1990	validly published under the ICNP	synonym
    Actinomyces gerencseriae Johnson et al. 1990	validly published under the ICNP	correct name
    "Actinomyces gibsonii" Erikson 1935	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces glaucescens" Preobrazhenskaya 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces globisporus" Krassilnikov 1941	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces globosus" Krassilnikov 1941	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces glomeroaurantiacus" Krassilnikov and Yuan 1965	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces glycerinitolerans" Palakawong Na Ayudthaya et al. 2016	not validly published	preferred name (not correct name)
    "Actinomyces gobitricini" Preobrazhenskaya and Sveshnikova 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces gougeroti" Duché 1934	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces graevenitzii Pascual Ramos et al. 1997	validly published under the ICNP	correct name
    "Actinomyces griseinus" Konovalov et al. 1974	not validly published	preferred name (not correct name)
    "Actinomyces griseoaurantiacus" Krassilnikov and Yuan 1965	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces griseoflavus" Krainsky 1914	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces griseoincarnatus" Preobrazhenskaya et al. 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces griseoloalbus" Kudrina 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces griseolus" Waksman 1923	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces griseomycini" Preobrazhenskaya et al. 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces griseorubens" Preobrazhenskaya et al. 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces griseorubiginosus" Ryabova and Preobrazhenskaya 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces griseostramineus" Preobrazhenskaya et al. 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces griseus" Krainsky 1914	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces haliotis Hyun et al. 2014	validly published under the ICNP	correct name
    "Actinomyces halstedii" Waksman and Curtis 1916	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces helvaticus" Krassilnikov et al. 1965	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces hominis Funke et al. 2010	validly published under the ICNP	synonym
    Actinomyces hongkongensis Woo et al. 2004	validly published under the ICNP	synonym
    Actinomyces hordeovulneris Buchanan et al. 1984	validly published under the ICNP	synonym
    "Actinomyces houstonensis" Clarridge and Zhang 2002	not validly published	preferred name (not correct name)
    Actinomyces howellii Dent and Williams 1984	validly published under the ICNP	correct name
    Actinomyces humiferus Gledhill and Casida 1969 (Approved Lists 1980)	validly published under the ICNP	synonym
    "Actinomyces hygroscopicus" Jensen 1931	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces hyovaginalis Collins et al. 1993	validly published under the ICNP	synonym
    "Actinomyces ihuae" Mbogning Fonkou et al. 2018	not validly published	preferred name (not correct name)
    "Actinomyces ihumii" Ndongo et al. 2016	not validly published	synonym (and no standing)
    "Actinomyces ipomoea" Person and Martin 1940	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces israelii (Kruse 1896) Lachner-Sandoval 1898 (Approved Lists 1980)	validly published under the ICNP	correct name
    "Actinomyces janthinus" Artamonova and Krassilnikov 1960	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces johnsonii Henssge et al. 2009	validly published under the ICNP	correct name
    "Actinomyces kurssanovii" Preobrazhenskaya et al. 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces lateritius" Sveshnikova 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces lavendofoliae" Kuchaeva et al. 1961	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces lavendulae" Waksman and Curtis 1916	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces lavendulocolor" Kuchaeva et al. 1961	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces levoris" Koreniako et al. 1960	not validly published	preferred name (not correct name)
    "Actinomyces lilacinus" Yen 1956	not validly published	preferred name (not correct name)
    Actinomyces lilanjuaniae Li et al. 2019	validly published under the ICNP	correct name
    "Actinomyces lingnae" Clarridge and Zhang 2002	not validly published	preferred name (not correct name)
    "Actinomyces lipmanii" Waksman and Curtis 1916	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces litmocidini" Ryabova and Preobrazhenskaya 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces liubingyangii Meng et al. 2017	validly published under the ICNP	synonym
    "Actinomyces longisporus" Krassilnikov 1941	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces luridus" Krassilnikov et al. 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces luteolutescens" Yen 1956	not validly published	synonym (and no standing)
    "Actinomyces malachitospinus" Preobrazhenskaia et al. 1975	not validly published	preferred name (not correct name)
    Actinomyces marimammalium Hoyles et al. 2001	validly published under the ICNP	synonym
    Actinomyces marmotae Yang et al. 2021	validly published under the ICNP	correct name
    "Actinomyces marseillensis" Fonkou et al. 2018	not validly published	preferred name (not correct name)
    Actinomyces massiliensis Renvoise et al. 2009	validly published under the ICNP	correct name
    "Actinomyces mediterranea" Mbogning Fonkou et al. 2018	not validly published	preferred name (not correct name)
    Actinomyces meyeri (ex Prévot 1938) Cato et al. 1984	validly published under the ICNP	synonym
    "Actinomyces microflavus" Krainsky 1914	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces minihominis" Bilen et al. 2018	not validly published	preferred name (not correct name)
    "Actinomyces mutabilis" Preobrazhenskaya and Ryabova 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces naeslundi Thompson and Lovestedt 1951 (Approved Lists 1980)	inaccurate spelling	misspelling
    Actinomyces naeslundii corrig. Thompson and Lovestedt 1951 (Approved Lists 1980)	validly published under the ICNP	correct name
    Actinomyces nasicola Hall et al. 2003	validly published under the ICNP	synonym
    Actinomyces naturae Rao et al. 2012	validly published under the ICNP	synonym
    Actinomyces neuii Funke et al. 1994	validly published under the ICNP	synonym
    "Actinomyces nigrescens" Sveshnikova 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces nigrogriseolus" Yen and Chou 1964	not validly published	synonym (and no standing)
    Actinomyces odontolyticus Batty 1958 (Approved Lists 1980)	validly published under the ICNP	synonym
    "Actinomyces olivaceoviridis" Preobrazhenskaya and Ryabova 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces olivaceus" Waksman 1923	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces olivochromogenus" Waksman 1923	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces olivoviridis" Kuchaeva et al. 1960	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces oralis" Fonkou et al. 2018	not validly published	preferred name (not correct name)
    "Actinomyces oralis" Mbogning Fonkou et al. 2018	not validly published	synonym (and no standing)
    Actinomyces oricola Hall et al. 2003	validly published under the ICNP	correct name
    Actinomyces oris Henssge et al. 2009	validly published under the ICNP	correct name
    "Actinomyces pacaensis" Fonkou et al. 2018	not validly published	preferred name (not correct name)
    "Actinomyces parvus" Krainsky 1914	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces pheochromogenus" Conn 1917	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces polynesiensis" Cimmino et al. 2016	not validly published	preferred name (not correct name)
    "Actinomyces praecox" Millard and Burr 1926	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces procaprae Yang et al. 2021	validly published under the ICNP	correct name
    "Actinomyces propionicus" Buchanan and Pine 1962	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces provencensis" Ndongo et al. 2017	not validly published	preferred name (not correct name)
    "Actinomyces prunicolor" Ryabova and Preobrazhenskaya 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces pseudovenezuelae" Kuchaeva et al. 1961	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces purpeochromogenus" Waksman and Curtis 1916	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces pyogenes (Glage 1903) Reddy et al. 1982	validly published under the ICNP	synonym
    Actinomyces pyogenes (Glage 1903) Collins and Jones 1983	validly published under the ICNP, illegitimate name	synonym
    Actinomyces qiguomingii Zhu et al. 2020	validly published under the ICNP	correct name
    Actinomyces radicidentis Collins et al. 2001	validly published under the ICNP	correct name
    Actinomyces radingae Wüst et al. 1995	validly published under the ICNP	synonym
    "Actinomyces rangoon" Erikson 1935	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces rectiverticillatus" Krassilnikov and Yuan 1965	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces respiraculi Zhou et al. 2021	validly published under the ICNP	correct name
    "Actinomyces robefuscus" Krassilnikov and Vinogradova 1960	not validly published	synonym (and no standing)
    "Actinomyces roseodiastaticus" Duché 1934	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces roseofulvus" Preobrazhenskaya 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces roseolilacinus" Preobrazhenskaya and Sveshnikova 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces roseolus" Preobrazhenskaya and Sveshnikova 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces roseoviolaceus" Sveshnikova 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces roseoviridis" Preobrazhenskaya 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces rubiginosohelvolus" Kudrina 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces rubiginosus" Preobrazhenskaya et al. 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces rubrolavendulae" Yen 1957	not validly published	synonym (and no standing)
    "Actinomyces rubroverticillatus" Yen 1956	not validly published	preferred name (not correct name)
    Actinomyces ruminicola An et al. 2006	validly published under the ICNP	correct name
    "Actinomyces ruminis" Lanjekar et al. 2022	not validly published	preferred name (not correct name)
    "Actinomyces rutgersensis" Waksman and Curtis 1916	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces sampsonii" Millard and Burr 1926	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces setonii" Millard and Burr 1926	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces slackii Dent and Williams 1986	validly published under the ICNP	correct name
    "Actinomyces spinosus" Preobrazhenskaya 1966	not validly published	synonym (and no standing)
    Actinomyces stomatis Tian et al. 2024	validly published under the ICNP	correct name
    "Actinomyces succiniciruminis" Palakawong Na Ayudthaya et al. 2016	not validly published	preferred name (not correct name)
    Actinomyces suimastitidis Hoyles et al. 2001	validly published under the ICNP	synonym
    Actinomyces suis (Wegienek and Reddy 1982 ex Soltys and Spratling 1957) Ludwig et al. 1992	validly published under the ICNP	synonym
    "Actinomyces sulphureus" Gasperini 1894	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces tangfeifanii Meng et al. 2018	validly published under the ICNP	synonym
    "Actinomyces thermodiastaticus" Bergey et al. 1923	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces timonensis Renvoise et al. 2010	validly published under the ICNP	correct name
    "Actinomyces toxytricini" Preobrazhenskaya and Sveshnikova 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces trachealis Zhou et al. 2021	validly published under the ICNP	correct name
    "Actinomyces tricolor" Wollenweber 1920	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces tumemacerans" Krassilnikov and Koveshnikov 1962	not validly published	synonym (and no standing)
    Actinomyces turicensis Wüst et al. 1995	validly published under the ICNP	synonym
    "Actinomyces umbrinus" Sveshnikova 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces urinae" Morand et al. 2016	not validly published	preferred name (not correct name)
    Actinomyces urogenitalis Nikolaitchouk et al. 2000	validly published under the ICNP	correct name
    Actinomyces vaccimaxillae Hall et al. 2003	validly published under the ICNP	synonym
    "Actinomyces variabilis" Preobrazhenskaya et al. 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces violaceochromogenes" Ryabova and Preobrazhenskaya 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces violaceolatus" Krassilnikov et al. 1965	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces violaceorectus" Ryabova and Preobrazhenskaya 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces violaceusniger" Waksman and Curtis 1916	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces violaceusruber" Waksman and Curtis 1916	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces violarus" Artamonova and Krassilnikov 1960	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces violascens" Preobrazhenskaya and Sveshnikova 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces violatus" Artamonova and Krassilnikov 1960	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces viridiviolaceus" Ryabova and Preobrazhenskaya 1957	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces viridochromogenes" Krainsky 1914	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    "Actinomyces viridodiastaticus" Baldacci et al. 1955	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces viscosus (Howell et al. 1965) Georg et al. 1969 (Approved Lists 1980)	validly published under the ICNP	correct name
    "Actinomyces vulgaris" Nikitina et al. 1960	not validly published	preferred name (not correct name)
    Actinomyces vulturis Meng et al. 2017	validly published under the ICNP	correct name
    Actinomyces weissii Hijazin et al. 2012	validly published under the ICNP	correct name
    "Actinomyces willmorei" Erikson 1935	not validly published, basonym of name in Approved Lists	synonym (and no standing)
    Actinomyces wuliandei Zhu et al. 2020	validly published under the ICNP	correct name
    "Actinomyces xantholiticus" Konev and Tsyganov 1962	not validly published, basonym of name in Approved Lists	synonym (and no standing)

Parent taxon: Actinomycetaceae Buchanan 1918 (Approved Lists 1980)

Assigned by: Waksman SA. Family Actinomycetaceae Buchanan and family Steptomycetaceae Waksman and Henrici. In: Breed RS, Murray EGD, Smith NR (eds), Bergey's Manual of Determinative Bacteriology, 7th edition, The Williams & Wilkins Co., Baltimore, 1957, p. 744-825.

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Record number: 515038