Name: Palaeococcus Takai et al. 2000

Category: Genus

Proposed as: gen. nov.

Etymology: Pa.lae.o.coc’cus. Gr. masc. adj. palaios, ancient; N.L. masc. n. coccus, coccus; from Gr. masc. n. kokkos, grain, seed; N.L. masc. n. Palaeococcus, ancient spherical cell, denoting the ancient lineage of this organism

Gender, pronunciation (Latin): masculine (stem: Palaeococc-), pa-la͡e-o-KOK-kus

Type species: Palaeococcus ferrophilus Takai et al. 2000

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Takai K, Sugai A, Itoh T, Horikoshi K. Palaeococcus ferrophilus gen. nov., sp. nov., a barophilic, hyperthermophilic archaeon from a deep-sea hydrothermal vent chimney. Int J Syst Evol Microbiol 2000; 50:489-500. 🇺🇸

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 50, part 2 of the IJSEM. Int J Syst Evol Microbiol 2000; 50:951-953.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Notes:
  • 🧕 Cavalier-Smith (2002) assigned this genus to the class Protoarchaea Cavalier-Smith 2002. Publication: Cavalier-Smith T. The neomuran origin of archaebacteria, the negibacterial root of the universal tree and bacterial megaclassification. Int J Syst Evol Microbiol 2002; 52:7-76. 🇬🇧
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Palaecoccus"; "Paleococcus".
  • 🎰 The BRCs most frequently used for deposits in this group are: JCM: 3; DSM: 3; ATCC: 1.
  • 🧍 According to Shipunov (2011), this name is a hemihomonym. See Palaeococcus Cockerell, 1894 (insects). Publication: Shipunov A. The problem of hemihomonyms and the on-line hemihomonyms database (HHDB). Bionomina 2011; 4:65-72.

Subdivision:

Number of child taxa with a validly published and correct name: 3
Number of child taxa with a validly published name, including synonyms: 3
Total number of child taxa: 3

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Palaeococcus ferrophilus Takai et al. 2000	validly published under the ICNP	correct name
    Palaeococcus helgesonii Amend et al. 2006	validly published under the ICNP	correct name
    Palaeococcus pacificus Zeng et al. 2013	validly published under the ICNP	correct name

Parent taxon: Thermococcaceae Zillig 1988

Assigned by: Jolivet E, L'Haridon S, Corre E, Forterre P, Prieur D. Thermococcus gammatolerans sp. nov., a hyperthermophilic archaeon from a deep-sea hydrothermal vent that resists ionizing radiation. Int J Syst Evol Microbiol 2003; 53:847-851. 🇺🇸

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Record number: 517094