Protoarchaea

Thermococcus chitinophagus, from Universität Regensburg.

Belongs within: Euryarchaeota.

The Protoarchaea are a group of hyperthermophilic prokaryotes possessing histones, reverse gyrase and cell walls, but lacking DNA gyrase (Cavalier-Smith 2002).

ProtoarchaeaC-S02
| i. s.: PalaeococcusC-S02
`--Thermococcaceae [Thermococcales, Thermococci]GH01
|--Pyrococcus Fiala & Stetter 1986VP GH01
| |--*P. furiosus Fiala & Stetter 1986VP GH01
| |--P. glycovorans Barbier, Godfroy et al. 1999VP GH01
| |--P. horikoshii González, Robb & Kato 1999VP GH01
| `--P. woesei Zillig 1988VP GH01
`--Thermococcus Zillig 1983VP GH01
|--*T. celer Zillig 1983VP GH01
|--T. acidaminovorans Dirmeier et al. 2001JC08
|--T. aggregans Canganella, Jones et al. 1998VP GH01
|--T. alcaliphilus Keller, Braun et al. 1997VP GH01
|--T. barophilus Marteinsson, Birrien et al. 1999VP GH01
|--T. chitinophagus Huber & Stetter 1996VP GH01
|--T. fumicolans Godfroy & Meunier in Godfroy, Meunier et al. 1996VP GH01
|--T. gorgonarius Miroshnichenko, Gongadze et al. 1998VP GH01
|--T. guaymasensis Canganella, Jones et al. 1998VP GH01
|--T. hydrothermalis Godfroy, Lesongeur et al. 1997VP GH01
|--T. pacificus Miroshnichenko, Gongadze et al. 1998VP GH01
|--T. peptonophilus González, Kato & Horikoshi 1996VP GH01
|--T. profundus Kobayashi & Horikoshi 1995VP GH01
|--T. siculiIT03
|--T. stetteri Miroshnichenko 1990VP GH01
|--T. waiotapuensis González et al. 2001JC08
`--T. zilligii Ronimus, Reysenbach et al. 1999VP GH01

Nomina invalida: Pyrococcus abyssi Erauso, Reysenbach et al. 1993GH01
Pyrococcus endeavoriGH01
Pyrococcus hellenicusGH01
Pyrococcus kodadaraensisGH01
Thermococcus litoralis Neuner, Jannasch et al. 1990GH01
Thermococcus sibiricus Miroshnichenko et al. 2001JC08

*Type species of generic name indicated

References

[C-S02] Cavalier-Smith, T. 2002. The neomuran origin of archaebacteria, the negibacterial root of the universal tree and bacterial megaclassification. International Journal of Systematic and Evolutionary Microbiology 52: 7–76.

[GH01] Garrity, G. M., & J. G. Holt. 2001. Phylum AII. Euryarchaeota phy. nov. In: Boone, D. R., R. W. Castenholz & G. M. Garrity (eds) Bergey’s Manual of Systematic Bacteriology 2nd ed. vol. 1. The Archaea and the Deeply Branching and Phototrophic Bacteria pp. 211–355. Springer.

[IT03] Inagaki, F., K. Takai, H. Hirayama, Y. Yamato, K. H. Nealson & K. Horikoshi. 2003. Distribution and phylogenetic diversity of the subsurface microbial community in a Japanese epithermal gold mine. Extremophiles 7: 307–317.

[JC08] Judicial Commission of the International Committee on Systematics of Prokaryotes. 2008. Status of strains that contravene Rules 27 (3) and 30 of the International Code of Nomenclature of Bacteria. Opinion 81. International Journal of Systematic and Evolutionary Microbiology 58: 1755–1763.

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