(Gr. arkhaios: old) The domain comprising what were formerly known as the archaebacteria. What used to be the kingdom Archaebacteria has been split into two kingdoms: Crenarchaeota and Euryarchaeota. The domain Archaea contains the phenotypes: methanogens, sulphate-reducing organisms, and extremophiles.
The Kingdom Archaea is a member of the Domain Archaea. Here is the complete "parentage" of Archaea:
The Kingdom Archaea is further organized into finer groupings including:
- Family (4): Halobacteriaceae · Methanosarcinaceae · Methanothermaceae · Thermococcaceae
- Species: ZipcodeZoo has pages for 296 species and subspecies in the Kingdom Archaea.
In taxonomy, the Halobacteriaceae are a family of the Halobacteriales in the domain Archaea. [more]
In taxonomy, the Methanosarcinaceae are a family of the Methanosarcinales. [more]
At least 31 species and subspecies belong to the Family Thermococcaceae.
More info about the Family Thermococcaceae may be found here.
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