Name: Aedoeadaptatus ivorii (Murdoch et al. 1997) Malhotra et al. 2024

Category: Species

Proposed as: comb. nov.

Basonym: Peptostreptococcus ivorii Murdoch et al. 1997

Etymology: i.vo’ri.i. N.L. gen. masc. n. ivorii, of Ivor, a British microbiologist who first isolated the organism

Pronunciation, gender: i-WO-ri-i, masculine

Type strain: ATCC BAA-602; CCUG 38492; CIP 105325; DSM 10022; NCTC 13078; SBH 093

Conduct genome-based taxonomy at

16S rRNA gene: Y07840 Analyse FASTA

Effective publication: Malhotra M, Bello S, Gupta RS. Phylogenomic and molecular markers based studies on clarifying the evolutionary relationships among Peptoniphilus species. Identification of several Genus-Level clades of Peptoniphilus species and transfer of some Peptoniphilus species to the genus Aedoeadaptatus. Syst Appl Microbiol 2024; 47:126499.

IJSEM list: Oren A, Göker M. Validation list no. 218. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2024; 74:6398.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Peptoniphilus ivorii (Murdoch et al. 1997) Ezaki et al. 2001

• Synonyms:

  • Name	Kind
    Peptoniphilus ivorii (Murdoch et al. 1997) Ezaki et al. 2001	homotypic synonym, validly published under the ICNP
    Peptostreptococcus ivorii Murdoch et al. 1997	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Aedoeadaptatus ivorii is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Aedoeadaptatus.
  • 😷 The taxon name shown here has no risk group assigned, but is the homotypic synonym of Peptoniphilus ivorii (Murdoch et al. 1997) Ezaki et al. 2001, which has a risk group (Belgium) above 1. This may require that the name shown here is not treated as the correct name for practical purposes. — The taxon name shown here has no risk group assigned, but is the homotypic synonym of Peptoniphilus ivorii (Murdoch et al. 1997) Ezaki et al. 2001, which has a risk group (Canada) above 1. This may require that the name shown here is not treated as the correct name for practical purposes. — The taxon name shown here has no risk group assigned, but is the homotypic synonym of Peptoniphilus ivorii (Murdoch et al. 1997) Ezaki et al. 2001, which has a risk group (Germany) above 1. This may require that the name shown here is not treated as the correct name for practical purposes.
  • 😷 The taxon name shown here has no risk group assigned, but is the homotypic synonym of Peptostreptococcus ivorii Murdoch et al. 1997, which has a risk group (Belgium) above 1. This may require that the name shown here is not treated as the correct name for practical purposes. — The taxon name shown here has no risk group assigned, but is the homotypic synonym of Peptostreptococcus ivorii Murdoch et al. 1997, which has a risk group (Canada) above 1. This may require that the name shown here is not treated as the correct name for practical purposes. — The taxon name shown here has no risk group assigned, but is the homotypic synonym of Peptostreptococcus ivorii Murdoch et al. 1997, which has a risk group (Swiss Confederation) above 1. This may require that the name shown here is not treated as the correct name for practical purposes. — The taxon name shown here has no risk group assigned, but is the homotypic synonym of Peptostreptococcus ivorii Murdoch et al. 1997, which has a risk group (Germany) above 1. This may require that the name shown here is not treated as the correct name for practical purposes.
  • 🎓 Name mentioned 0 times in PubMed until 2025-08-12.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself.

Parent taxon: Aedoeadaptatus Hitch et al. 2022

Assigned by: Malhotra M, Bello S, Gupta RS. Phylogenomic and molecular markers based studies on clarifying the evolutionary relationships among Peptoniphilus species. Identification of several Genus-Level clades of Peptoniphilus species and transfer of some Peptoniphilus species to the genus Aedoeadaptatus. Syst Appl Microbiol 2024; 47:126499.

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Record number: 45029