Thermoplasmatales

{{{Taxobox
 * color = darkgray
 * name = Thermoplasmatales
 * domain = Archaea
 * phylum = Euryarchaeota
 * classis = Thermoplasmata
 * ordo = Thermoplasmatales
 * ordo_authority = Reysenbach 2002
 * subdivision_ranks = Families
 * subdivision =
 * Ferroplasmaceae


 * Picrophilaceae


 * Thermoplasmataceae
 * synonyms =
 * Thermoplasmatales Reysenbach 2002

}}

In taxonomy, the Thermoplasmatales are an order of the Thermoplasmata. All are acidophiles, growing optimally at pH below 2. Picrophilus is currently the most acidophilic of all known organisms growing at a minimum pH of -0.06. Many of these organisms do not contain a cell wall, although this is not true in the case of Picrophilus. Most of members of the Thermotoplasmata are thermophilic.

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