Name: Alteristakelama leidyi (Poindexter 1964) Wang et al. 2025

Category: Species

Proposed as: comb. nov.

Basonym: Caulobacter leidyia Poindexter 1964 (Approved Lists 1980)

Etymology: lei’dy.i. N.L. gen. masc. n. leidyi, of Leidy, named for J. Leidy, who observed tufts of (bacterial) growth of fungi in insect guts in 1853

Pronunciation, gender: LE͡I-dy-i, feminine

Type strain: ATCC 15260; CIP 106443; DSM 4733; VKM B-1368

Conduct genome-based taxonomy at

16S rRNA gene: AJ227812 Analyse FASTA

Valid publication: Wang Y, You H, Kong YH, Sun C, Wu LH, Kim SG, Lee JS, Xu L, Xu XW. Genomic-based taxonomic classification of the order Sphingomonadales. Int J Syst Evol Microbiol 2025; 75:6769.

IJSEM list: Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 75, part 5 of the IJSEM. Int J Syst Evol Microbiol 2025; 75:6824.

Nomenclatural status: validly published under the ICNP

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

Correct name: Sphingomonas leidyi (Poindexter 1964) Chen et al. 2012

• Synonyms:

  • Name	Kind
    Caulobacter leidyi corrig. Poindexter 1964 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    Sphingomonas leidyi (Poindexter 1964) Chen et al. 2012	homotypic synonym, validly published under the ICNP
    Caulobacter leidyia Poindexter 1964 (Approved Lists 1980)	homotypic synonym, inaccurate spelling

• Notes:
  • ❗ Alteristakelama leidyi 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 Alteristakelama.
  • 🎓 Name mentioned 0 times in PubMed until 2025-06-03.
  • 🙅 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 genus.

Parent taxon: Alteristakelama Wang et al. 2025

Assigned by: Wang Y, You H, Kong YH, Sun C, Wu LH, Kim SG, Lee JS, Xu L, Xu XW. Genomic-based taxonomic classification of the order Sphingomonadales. Int J Syst Evol Microbiol 2025; 75:6769.

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Record number: 65442