NOTES: Hyperthermus butylicus gen. nov., sp. nov., a Hyperthermophilic, Anaerobic, Peptide-Fermenting, Facultatively H2S-Generating Archaebacterium ZILLIG, WOLFRAM and HOLZ, INGELORE and WUNDERL, SIMON,, 41, 169-170 (1991), doi = https://doi.org/10.1099/00207713-41-1-169, publicationName = Microbiology Society, issn = 1466-5026, abstract= We describe a hyperthermophilic archaebacterium, Hyperthermus butylicus gen. nov., sp. nov., that was isolated from flat-sea sediments. This organism is the first extremophilic archaebacterium for which fermentation products have been identified. The type strain is strain DSM 5456., language=, type=