(en) Judicial Commission of the International Committee on Systematics of Prokaryotes, «The nomenclatural types of the orders Acholeplasmatales, Halanaerobiales, Halobacteriales, Methanobacteriales, Methanococcales, Methanomicrobiales, Planctomycetales, Prochlorales, Sulfolobales, Thermococcales, Thermoproteales and Verrucomicrobiales are the genera Acholeplasma, Halanaerobium, Halobacterium, Methanobacterium, Methanococcus, Methanomicrobium, Planctomyces, Prochloron, Sulfolobus, Thermococcus, Thermoproteus and Verrucomicrobium, respectively. Opinion 79», Int. J. Syst. Evol. Microbiol., vol.55, noPt 1, , p.517–518. DOI10.1099/ijs.0.63548-0PMID15653928
(en) Burggraf S, Huber H, Stetter KO, «Reclassification of the crenarchael orders and families in accordance with 16S rRNA sequence data», Int. J. Syst. Bacteriol., vol.47, no3, , p.657–660. DOI10.1099/00207713-47-3-657PMID9226896
(en) Zillig W, Stetter KO, Schafer W, Janekovic D, Wunderl S, Holz I, Palm P, «Thermoproteales: a novel type of extremely thermoacidophilic anaerobic archaebacteria isolated from Icelandic solfataras», Zentralbl. Mikrobiol. Parasitenkd. Infektionskr. Hyg. Abt. 1 Orig., vol.C2, , p.205–227
(en) Zillig W, Tu J, Holz I, «Thermoproteales--a third order of thermoacidophilic archaebacteria», Nature, vol.293, no5827, , p.85–86. DOI10.1038/293085a0PMID6791033
