Name: Pirellulaceae Dedysh et al. 2020

Category: Family

Proposed as: fam. nov.

Etymology: Pi.rel.lu.la’ce.ae. N.L. fem. dim. n. Pirellula, type genus of the family; L. fem. pl. n. suff. -aceae, ending to denote a family; N.L. fem. pl. n. Pirellulaceae, the Pirellula family

Pronunciation, gender: pi-rel-lu-LA-ke-a͡e, feminine

Type genus: Pirellula Schlesner and Hirsch 1987

Effective publication: Dedysh SN, Kulichevskaya IS, Beletsky AV, Ivanova AA, Rijpstra WIC, Damste JSS, Mardanov AV, Ravin NV. Lacipirellula parvula gen. nov., sp. nov., representing a lineage of planctomycetes widespread in low-oxygen habitats, description of the family Lacipirellulaceae fam. nov. and proposal of the orders Pirellulales ord. nov., Gemmatales ord. nov. and Isosphaerales ord. nov. Syst Appl Microbiol 2020; 43:126050.

IJSEM list: Oren A, Garrity GM. Validation list no. 193. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2020; 70:2960-2966.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Notes:
  • 🧕 Dedysh et al. (2020) assigned this family to the class "Planctomycetacia" Garrity and Holt 2001. Publication: Dedysh SN, Kulichevskaya IS, Beletsky AV, Ivanova AA, Rijpstra WIC, Damste JSS, Mardanov AV, Ravin NV. Lacipirellula parvula gen. nov., sp. nov., representing a lineage of planctomycetes widespread in low-oxygen habitats, description of the family Lacipirellulaceae fam. nov. and proposal of the orders Pirellulales ord. nov., Gemmatales ord. nov. and Isosphaerales ord. nov. Syst Appl Microbiol 2020; 43:126050.
  • 🚃 The type genus of this family has alternatively been placed in the family Planctomycetaceae Schlesner and Stackebrandt 1987. Publication: Hahnke RL, Meier-Kolthoff JP, Garcia-Lopez M, Mukherjee S, Huntemann M, Ivanova NN, Woyke T, Kyrpides NC, Klenk HP, Goker M. Genome-Based Taxonomic Classification of Bacteroidetes. Front Microbiol 2016; 7:2003.
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Godinho et al. (2021), Bondoso et al. (2015), Kallscheuer et al. (2020), Kallscheuer et al. (2025), Schlesner and Hirsch (1987). 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: DSM: 53; LMG: 33; JCM: 18; CECT: 12; KCTC: 10; NBRC: 9; VKM: 9; ATCC: 5; KACC: 4; UC: 3.

Subdivision:

Number of child taxa with a validly published and correct name: 15
Number of child taxa with a validly published name, including synonyms: 19
Total number of child taxa: 20

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Allorhodopirellula Sreya et al. 2023	validly published under the ICNP	synonym
    Anatilimnocola Kallscheuer et al. 2022	validly published under the ICNP	correct name
    Aporhodopirellula Sreya et al. 2023	validly published under the ICNP	synonym
    Aureliella Kallscheuer et al. 2021	validly published under the ICNP	correct name
    Blastopirellula Schlesner et al. 2004	validly published under the ICNP	correct name
    Bremerella Rensink et al. 2021	validly published under the ICNP	correct name
    Crateriforma Peeters et al. 2021	validly published under the ICNP	correct name
    "Candidatus Laterigemmans" Kumar et al. 2021	not validly published	pro-correct name
    Lignipirellula Peeters et al. 2021	validly published under the ICNP	correct name
    Mariniblastus Lage et al. 2017	validly published under the ICNP	correct name
    Neorhodopirellula Sreya et al. 2023	validly published under the ICNP	synonym
    Novipirellula Kallscheuer et al. 2021	validly published under the ICNP	correct name
    Pirella Schlesner and Hirsch 1984	validly published under the ICNP, illegitimate name	synonym
    Pirellula Schlesner and Hirsch 1987	validly published under the ICNP	correct name
    Rhodopirellula Schlesner et al. 2004	validly published under the ICNP	correct name
    Roseiconus Kumar et al. 2025	validly published under the ICNP	correct name
    Roseimaritima Bondoso et al. 2016	validly published under the ICNP	correct name
    Rosistilla Waqqas et al. 2021	validly published under the ICNP	correct name
    Rubripirellula Bondoso et al. 2016	validly published under the ICNP	correct name
    Stieleria Kallscheuer et al. 2021	validly published under the ICNP	correct name

Parent taxon: Pirellulales Dedysh et al. 2020

Assigned by: Dedysh SN, Kulichevskaya IS, Beletsky AV, Ivanova AA, Rijpstra WIC, Damste JSS, Mardanov AV, Ravin NV. Lacipirellula parvula gen. nov., sp. nov., representing a lineage of planctomycetes widespread in low-oxygen habitats, description of the family Lacipirellulaceae fam. nov. and proposal of the orders Pirellulales ord. nov., Gemmatales ord. nov. and Isosphaerales ord. nov. Syst Appl Microbiol 2020; 43:126050.

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Record number: 7783