Name: Thermoactinomycetaceae Matsuo et al. 2006

Category: Family

Proposed as: fam. nov.

Etymology: Ther.mo.ac.ti.no.my.ce.ta’ce.ae. N.L. masc. n. Thermoactinomyces, type genus of the family; L. fem. pl. n. suff. -aceae, ending to denote a family; N.L. fem. pl. n. Thermoactinomycetaceae, the Thermoactinomyces family

Pronunciation (Latin), gender: t^her-mo-ak-ti-no-my-ke-TA-ke-a͡e, feminine

Type genus: Thermoactinomyces Tsiklinsky 1899 (Approved Lists 1980)

Valid publication: Matsuo Y, Katsuta A, Matsuda S, Shizuri Y, Yokota A, Kasai H. Mechercharimyces mesophilus gen. nov., sp. nov. and Mechercharimyces asporophorigenens sp. nov., antitumour substance-producing marine bacteria, and description of Thermoactinomycetaceae fam. nov. Int J Syst Evol Microbiol 2006; 56:2837-2842. 🇯🇵

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 56, part 12 of the IJSEM. Int J Syst Evol Microbiol 2007; 57:435-436.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Novibacillaceae Jiang et al. 2019	heterotypic synonym, validly published under the ICNP

• Emendations:
  • Yassin et al. 2009 Yassin AF, Hupfer H, Klenk HP, Siering C. Desmospora activa gen. nov., sp. nov., a thermoactinomycete isolated from sputum of a patient with suspected pulmonary tuberculosis, and emended description of the family Thermoactinomycetaceae Matsuo et al. 2006. Int J Syst Evol Microbiol 2009; 59:454-459. 🇩🇪 Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 59, part 3 of the IJSEM. Int J Syst Evol Microbiol 2009; 59:1259-1261.
    Notes:
    • ⊕ Emendation accompanied by the inclusion of 1 genus in the family.
  • von Jan et al. 2011 von Jan M, Riegger N, Potter G, Schumann P, Verbarg S, Sproer C, Rohde M, Lauer B, Labeda DP, Klenk HP. Kroppenstedtia eburnea gen. nov., sp. nov., a thermoactinomycete isolated by environmental screening, and emended description of the family Thermoactinomycetaceae Matsuo et al. 2006 emend. Yassin et al. 2009. Int J Syst Evol Microbiol 2011; 61:2304-2310. 🇩🇪 Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 61, part 9 of the IJSEM. Int J Syst Evol Microbiol 2011; 61:2797-2798.
    Notes:
    • ⊕ Emendation accompanied by the inclusion of 1 genus in the family.
  • Li et al. 2012 Li J, Zhang GT, Yang J, Tian XP, Wang FZ, Zhang CS, Zhang S, Li WJ. Marininema mesophilum gen. nov., sp. nov., a thermoactinomycete isolated from deep sea sediment, and emended description of the family Thermoactinomycetaceae. Int J Syst Evol Microbiol 2012; 62:1383-1388. 🇨🇳 Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 62, part 6 of the IJSEM. Int J Syst Evol Microbiol 2012; 62:2048-2049.
    Notes:
    • ⊕ Emendation accompanied by the inclusion of 1 genus in the family.
  • Li et al. 2024 Li Y, Zhang D, Bo D, Peng D, Sun M, Zheng J. A taxonomic note on the order Caryophanales: description of 12 novel families and emended description of 21 families. Int J Syst Evol Microbiol 2024; 74:6539. 🇨🇳 Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 74, part 11 of the IJSEM. Int J Syst Evol Microbiol 2025; 75:6619.
    Notes:
    • ⊕ Emendation accompanied by the inclusion of 22 genera in the family.
    • ⊖ Emendation accompanied by the removal of 1 genus from the family.

• Notes:
  • 🧕 Chuvochina et al. (2023) assigned this family to the order Thermoactinomycetales Chuvochina et al. 2024. Publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0. 🇦🇺
  • 🧕 De Vos et al. (2009) assigned this family to the order Bacillales Prévot 1953 (Approved Lists 1980). Publication: Ludwig W, Schleifer K-H, Whitman WB. Class I. Bacilli class nov. In: De Vos P, Garrity GM, Jones D, Krieg NR, Ludwig W, Rainey FA, K.-H. S, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 3 (The Firmicutes), Springer, New York, 2009, p. 19-20. 🇧🇪
  • 🧒 Yu et al. (2012) assigned the genus "Thermoactinomyceta" to this family. Publication: Yu TT, Zhang BH, Yao JC, Tang SK, Zhou EM, Yin YR, Wei DQ, Ming H, Li WJ. Lihuaxuella thermophila gen. nov., sp. nov., isolated from a geothermal soil sample in Tengchong, Yunnan, south-west China. Antonie Van Leeuwenhoek 2012; 102:711-718. 🇨🇳
  • 🚃 The type genus of this family has alternatively been placed in the family Streptomycetaceae Waksman and Henrici 1943 (Approved Lists 1980). Publication: Parker CD. Genus V. Thiobacillus Beijerinck 1904. In: Breed RS, Murray EGD, Smith NR (eds), Bergey's Manual of Determinative Bacteriology, 7th edition, The Williams & Wilkins Co, Baltimore, 1957, p. 83-88.
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Frikha-Dammak et al. (2016), Zhou et al. (2014). 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 phylogenomic assignment score of this taxon is 0.06635 (N = 1).
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 48; JCM: 28; KCTC: 20; ATCC: 18; NBRC: 15; CCUG: 12; CCTCC: 11; VKM: 9; CGMCC: 8; NRRL: 7.

Subdivision:

Number of child taxa with a validly published and correct name: 25
Number of child taxa with a validly published name, including synonyms: 25
Total number of child taxa: 26

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Actinobifida" Krassilnikov and Agre 1964	not validly published	synonym
    Baia Guan et al. 2015	validly published under the ICNP	correct name
    Croceifilum Hatayama and Kuno 2015	validly published under the ICNP	correct name
    Desmospora Yassin et al. 2009	validly published under the ICNP	correct name
    Geothermomicrobium Zhou et al. 2014	validly published under the ICNP	correct name
    Hazenella Buss et al. 2013	validly published under the ICNP	correct name
    Kroppenstedtia von Jan et al. 2011	validly published under the ICNP	correct name
    Laceyella Yoon et al. 2005	validly published under the ICNP	correct name
    Lihuaxuella Yu et al. 2013	validly published under the ICNP	correct name
    Marininema Li et al. 2012	validly published under the ICNP	correct name
    Marinithermofilum Zhang et al. 2015	validly published under the ICNP	correct name
    Mechercharimyces Matsuo et al. 2006	validly published under the ICNP	correct name
    Melghirimyces Addou et al. 2012	validly published under the ICNP	correct name
    Novibacillus Yang et al. 2015	validly published under the ICNP	correct name
    Paenactinomyces Jiang et al. 2019	validly published under the ICNP	correct name
    Paludifilum Frikha-Dammak et al. 2016	validly published under the ICNP	correct name
    Planifilum Hatayama et al. 2005	validly published under the ICNP	correct name
    Polycladomyces Tsubouchi et al. 2013	validly published under the ICNP	correct name
    Polycladospora Mo et al. 2023	validly published under the ICNP	correct name
    Risungbinella Kim et al. 2015	validly published under the ICNP	correct name
    Salinithrix Zarparvar et al. 2014	validly published under the ICNP	correct name
    Seinonella Yoon et al. 2005	validly published under the ICNP	correct name
    Shimazuella Park et al. 2007	validly published under the ICNP	correct name
    Staphylospora Wang et al. 2019	validly published under the ICNP	correct name
    Thermoactinomyces Tsiklinsky 1899 (Approved Lists 1980)	validly published under the ICNP	correct name
    Thermoflavimicrobium Yoon et al. 2005	validly published under the ICNP	correct name

Parent taxon: Caryophanales Peshkoff 1939 (Approved Lists 1980)

Assigned by: Tindall BJ. When treated as heterotypic synonyms the names Caryophanaceae Peshkoff 1939 (Approved Lists 1980) and Caryophanales Peshkoff 1939 (Approved Lists 1980) have priority over the names Planococcaceae Krasil'nikov 1949 (Approved Lists 1980) and Bacillales Prevot 1953 (Approved Lists 1980) and Bacillales Prevot 1953 (Approved Lists 1980), respectively. Int J Syst Evol Microbiol 2019; 69:2187-2195. 🇩🇪

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Record number: 1424

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