Halobeggiatoa Grünke et al. 2012 Halobeggiatoa borealis Grünke et al. 2012 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Proteobacteria (sic) Garrity et al. 2021 Pseudomonadota corrig. Garrity et al. 2021 Alphaproteobacteriota (sic) Garrity et al. 2021 Gammaproteobacteria Garrity et al. 2005 emend. Williams and Kelly 2013 Thiotrichales Garrity et al. 2005 Beggiatoaceae Migula 1894 (Approved Lists 1980) Halobeggiatoa Grünke et al. 2012 Beggiatoaceae Migula 1894 (Approved Lists 1980) Beggiatoa Trevisan 1842 emend. Leadbetter 1974 (Approved Lists 1980) Thioploca Lauterborn 1907 emend. Maier 1974 (Approved Lists 1980) Vitreoscilla Pringsheim 1949 emend. Leadbetter 1974 (Approved Lists 1980) Thiomargarita Schulz et al. 1999 Isobeggiatoa Salman et al. 2011 Maribeggiatoa Salman et al. 2011 Marithrix Salman et al. 2011 Parabeggiatoa Salman et al. 2011 Thiophysa (ex Hinze 1903) Salman et al. 2011 Thiopilula Salman et al. 2011 Marithioploca Salman et al. 2011 Thioflexithrix Gureeva et al. 2019 Halobeggiatoa borealis Grünke et al. 2012 Grünke S. Lichtschlag A. de Beer D. Felden J. Salman V. Ramette A. Schulz-Vogt H. N. Boetius A. Mats of psychrophilic thiotrophic bacteria associated with cold seeps of the Barents Sea. 2012 9 2947 2960 Biogeosciences Biogeosciences 1726-4170 1726-4189 10.5194/bg-9-2947-2012