Name: Holospora undulata (ex Hafkine 1890) Preer and Preer 1982

Category: Species

Proposed as: sp. nov., nom. rev.

Etymology: un.du.la’ta. L. fem. adj. undulata, undulated, diversified as with waves

Pronunciation (Latin), gender: ho-LO-spo-ra un-du-LA-ta, feminine

Type strain: C204; clone M1-48 of Paramecium caudatum containing Holospora undulata in its micronuclei has been deposited in the culture collection of the Laboratory of Invertebrate Zoology, Biological Research Institute, Leningrad University; the type is the original description and illustration of Hafkine (Ann. Inst. Pasteur Paris, 1890, 4, 148-162.)

Valid publication: Preer Jr. JR, Preer LB. Revival of names of protozoan endosymbionts and proposal of Holospora caryophila nom. nov. Int. J. Syst. Bacteriol. 1982; 32:140-141.

Nomenclatural status: validly published under the ICNP, illegitimate name

Taxonomic status: synonym

Correct name: Holospora undulata (ex Hafkine 1890) Gromov and Ossipov 1981

Risk group: 1

• Synonyms:

  • Name	Kind
    Holospora undulata (ex Hafkine 1890) Gromov and Ossipov 1981	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Holospora (ex Hafkine 1890) Preer and Preer 1982. Publication: Preer Jr. JR, Preer LB. Revival of names of protozoan endosymbionts and proposal of Holospora caryophila nom. nov. Int. J. Syst. Bacteriol. 1982; 32:140-141.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1. — 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.
  • 🎓 Name mentioned 28 times in PubMed until 2026-06-11.
  • 🧍 Holospora undulata (ex Hafkine 1890) Preer and Preer 1982 is illegitimate because it is a later homonym of Holospora undulata (ex Hafkine 1890) Gromov and Ossipov 1981. Publication: Gromov BV, Ossipov DV. Holospora (ex Hafkine 1890) nom. rev., a genus of bacteria inhabiting the nuclei of paramecia. Int. J. Syst. Bacteriol. 1981; 31:348-352.

Parent taxon: Holospora (ex Hafkine 1890) Preer and Preer 1982

Assigned by: Preer Jr. JR, Preer LB. Revival of names of protozoan endosymbionts and proposal of Holospora caryophila nom. nov. Int. J. Syst. Bacteriol. 1982; 32:140-141.

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Record number: 7155