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Bacteria was named by Woese et al. (1990). It is extant.

It was assigned to Life by Woese et al. (1990) and Taylor et al. (2008); and to Prokaryota by Ruggiero et al. (2015).

Sister taxa
Negibacteria, Posibacteria

View classification of included taxa

Synonymy list
YearName and author
1990Bacteria Woese et al. p. 4578
1996Eubacteria Margulis p. 1074
2008Bacteria Taylor et al. p. 1027
2008Eubacteria Taylor et al. p. 1027
2015Bacteria Ruggiero et al. p. 33

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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

C. R. Woese et al. 1990Domain Bacteria [Greek noun f3aKr'pov (small rod or staff)]: cels prokaryotic; membrane lipids predominantly diacyl glycerol diesters; ribosomes containing a (eu)bacterial type of rRNA.
No measurements are available
No ecological data are available

Age range

Maximum range based only on fossils: base of the Paleoarchean to the top of the Early/Lower Pleistocene or 3600.00000 to 0.78100 Ma
Minimum age of oldest fossil (stem group age): 3200.0 Ma

Collections (783 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Archean4000.0 - 2500.0Greenland Cyanobacteria indet. (120886)
Paleoarchean3600.0 - 3200.0Australia (Western Australia) Chroococcales indet. (175541)
Neoproterozoic1000.0 - 541.0Australia (South Australia) Cyanobacteria indet. (97564)
Neoproterozoic1000.0 - 541.0Algeria Cyanophyta indet. (97597)
Ediacaran635.0 - 541.0Canada (British Columbia) Platella sp. (97710)
Ediacaran635.0 - 541.0India Renalcis sp. (10741)
Ediacaran635.0 - 541.0China (Shaanxi) Girvanella sp., Subtifloria sp., Obruchevella sp. (51735)
Nemakit-Daldynian541.0 - 530.0Russian Federation (Tomsk) Renalcis sp. (99183)
Nemakit-Daldynian541.0 - 530.0Russian Federation (Yakutiya) Renalcis sp., Subtifloria sp. (81109)
Nemakit-Daldynian541.0 - 530.0Russian Federation (Taymyr) Girvanella sp., Renalcis sp. (81110)
Nemakit-Daldynian541.0 - 530.0Russian Federation (Krasnoyarskiy Kray) Hedstroemia sp., Renalcis polymorphus, Subtifloria gracila (80839)
Tommotian530.0 - 520.0Russian Federation Renalcis sp. (80846 80847 80848)
Tommotian530.0 - 520.0Russian Federation (Krasnoyarskiy Kray) Renalcis gelatinosus, Renalcis polymorphus (80841) Renalcis polymorphus (80840)
Tommotian530.0 - 520.0China (Yunnan) Trifistulella tortilis (171902)
Tommotian530.0 - 520.0Russian Federation (Yakutiya) Renalcis jacuticus (80794 80802 80808 80811 80814 80866)
Montezuman530.0 - 516.0USA (Nevada) Renalcis sp. (41017)
Atdabanian520.0 - 516.0Spain (Córdoba) Girvanella sp., Renalcis sp. (78585)
Atdabanian520.0 - 516.0Germany (Brandenburg) Girvanella sp., Renalcis sp. (24190) Renalcis sp. (24188 24189 24192)
Atdabanian520.0 - 516.0Russian Federation (Tuva) Girvanella sp., Subtifloria sp. (81246 81247)
Atdabanian520.0 - 516.0Russian Federation (Khakasiya) Renalcis sp. (81309 81310 81311 81312 81313 81314 81320 81321)