prokaryotes - bacteria see Domain Bacteria Woese et al. 1990
   Domain "Bacteria" Woese et al. 1990
     Phylum "Proteobacteria" Garrity et al. 2005 see Superphylum Proteobacteria Craig et al. 2010
       Class Alphaproteobacteria Garrity et al. 2006
         Order Rhodobacterales Garrity et al. 2006 [monotypic]
           Family Rhodobacteraceae Garrity et al. 2006
             001 Genus Actibacterium Lucena et al. 2012
             002 Genus Aestuariihabitans Yoon et al. 2014
             003 Genus Aestuariivita Park et al. 2014
             004 Genus Agaricicola Chu et al. 2010
             005 Genus Ahrensia Uchino et al. 1999
             006 Genus Albidovulum Albuquerque et al. 2003
             007 Genus Albimonas Lim et al. 2008
             008 Genus Albirhodobacter Nupur et al. 2015
             009 Genus Aliiroseovarius Park et al. 2015
             010 Genus Alkalimicrobium Zhang et al. 2015
             011 Genus Amaricoccus Maszenan et al. 1997
             012 Genus Amylibacter Teramoto and Nishijima 2014
             013 Genus Antarctobacter Labrenz et al. 1998
             014 Genus Ascidiaceihabitans Kim et al. 2014
             015 Genus Boseongicola Park et al. 2014
             016 Genus Brevirhabdus Wu et al. 2015
             017 Genus Catellibacterium Tanaka et al. 2004 see Genus Gemmobacter Rothe et al. 1988
             018 Genus Celeribacter Ivanova et al. 2010
             019 Genus Cereibacter Suresh et al. 2015
             020 Genus Citreicella Sorokin et al. 2006
             021 Genus Citreimonas Choi and Cho 2006
             022 Genus Confluentimicrobium Park et al. 2015
             023 Genus Cribrihabitans Chen et al. 2014
             024 Genus Defluviimonas Foesel et al. 2013
             025 Genus Dinoroseobacter Biebl et al. 2005
             026 Genus Donghicola Yoon et al. 2007
             027 Genus Epibacterium Penesyan et al. 2013
             028 Genus Falsirhodobacter Subhash et al. 2013
             029 Genus Frigidibacter Li and Zhou 2015
             030 Genus Gaetbulicola Yoon et al. 2010 see Genus Marivita Hwang et al. 2009
             031 Genus Gemmobacter Rothe et al. 1988
             032 Genus Haematobacter Helsel et al. 2007
             033 Genus Halocynthiibacter Kim et al. 2014
             034 Genus Halodurantibacterium Lv et al. 2015
             035 Genus Halovulum Sun et al. 2015
             036 Genus Hasllibacter Kim et al. 2012
             037 Genus Hwanghaeicola Kim et al. 2010
             038 Genus Jannaschia Wagner-Döbler et al. 2003
             039 Genus Jhaorihella Rekha et al. 2011
             040 Genus Ketogulonicigenium corrig. Urbance et al. 2001
             041 Genus Labrenzia Biebl et al. 2007
             042 Genus Leisingera Schaefer et al. 2002
             043 Genus Lentibacter Li et al. 2012
             044 Genus Litoreibacter Romanenko et al. 2011
             045 Genus Litorimicrobium Jin et al. 2011
             046 Genus Litorisediminicola Yoon et al. 2013
             047 Genus Loktanella Van Trappen et al. 2004
             048 Genus Lutimaribacter Yoon et al. 2009
             049 Genus Mameliella Zheng et al. 2010
             050 Genus Maribius Choi et al. 2007
             051 Genus Marinovum Martens et al. 2006
             052 Genus Maritimibacter Lee et al. 2007
             053 Genus Marivita Hwang et al. 2009
             054 Genus Methylarcula Doronina et al. 2000
             055 Genus Nautella Vandecandelaere et al. 2009
             056 Genus Nereida Pujalte et al. 2005
             057 Genus Nesiotobacter Donachie et al. 2006
             058 Genus Nioella Rajasabapathy et al. 2015
             059 Genus Oceanibulbus Wagner-Döbler et al. 2004
             060 Genus Oceanicella Albuquerque et al. 2012
             061 Genus Oceanicola Cho and Giovannoni 2004
             062 Genus Octadecabacter Gosink et al. 1998
             063 Genus Pacificibacter Romanenko et al. 2011
             064 Genus Paenirhodobacter Wang et al. 2014
             065 Genus Palleronia Martínez-Checa et al. 2005
             066 Genus Pannonibacter Borsodi et al. 2003
             067 Genus Paracoccus Davis 1969 (Approved Lists 1980)
             068 Genus Pararhodobacter Foesel et al. 2013
             069 Genus Pelagibaca Cho and Giovannoni 2006
             070 Genus Pelagicola Kim et al. 2008
             071 Genus Pelagimonas Hahnke et al. 2013
             072 Genus Phaeobacter Martens et al. 2006
             073 Genus Planktotalea Hahnke et al. 2012
             074 Genus Pleomorphobacterium Yin et al. 2013
             075 Genus Pontibaca Kim et al. 2010
             076 Genus Ponticoccus Hwang and Cho 2008
             077 Genus Pontivivens Park et al. 2015
             078 Genus Poseidonocella Romanenko et al. 2012
             079 Genus Primorskyibacter Romanenko et al. 2011
             080 Genus Profundibacterium Lai et al. 2013
             081 Genus Pseudooceanicola Lai et al. 2015
             082 Genus Pseudooctadecabacter Billerbeck et al. 2015
             083 Genus Pseudorhodobacter Uchino et al. 2003
             084 Genus Pseudoruegeria Yoon et al. 2007
             085 Genus Pseudoseohaeicola Park et al. 2015
             086 Genus Pseudovibrio Shieh et al. 2004
             087 Genus Rhodobaca Milford et al. 2001
             088 Genus Rhodobacter Imhoff et al. 1984
             089 Genus Rhodobaculum Bryantseva et al. 2015
             090 Genus Rhodothalassium Imhoff et al. 1998
             091 Genus Rhodovulum Hiraishi and Ueda 1994
             092 Genus Roseibaca Labrenz et al. 2009
             093 Genus Roseibacterium Suzuki et al. 2006
             094 Genus Roseibium Suzuki et al. 2000
             095 Genus Roseicitreum Yu et al. 2011
             096 Genus Roseicyclus Rathgeber et al. 2005
             097 Genus Roseinatronobacter Sorokin et al. 2000
             098 Genus Roseisalinus Labrenz et al. 2005
             099 Genus Roseivivax Suzuki et al. 1999
             100 Genus Roseobacter Shiba 1991
             101 Genus Roseovarius Labrenz et al. 1999
             102 Genus Rubellimicrobium Denner et al. 2006
             103 Genus Rubribacterium Boldareva et al. 2010
             104 Genus Rubrimonas Suzuki et al. 1999
             105 Genus Ruegeria Uchino et al. 1999
             106 Genus Sagittula Gonzalez et al. 1997
             107 Genus Salinihabitans Yoon et al. 2009
             108 Genus Salipiger Martínez-Cánovas et al. 2004
             109 Genus Sediminimonas Wang et al. 2009
             110 Genus Seohaeicola Yoon et al. 2009
             111 Genus Shimia Choi and Cho 2006
             112 Genus Silicibacter Petursdottir and Kristjansson 1999 see Genus Ruegeria Uchino et al. 1999
             113 Genus Staleya Labrenz et al. 2000 see Genus Sulfitobacter Sorokin 1996
             114 Genus Stappia Uchino et al. 1999
             115 Genus Sulfitobacter Sorokin 1996
             116 Genus Tateyamaria Kurahashi and Yokota 2008
             117 Genus Thalassobacter Macián et al. 2005
             118 Genus Thalassobius Arahal et al. 2005
             119 Genus Thalassococcus Lee et al. 2007
             120 Genus Thiobacimonas Li et al. 2015
             121 Genus Thioclava Sorokin et al. 2005
             122 Genus Thiosphaera Robertson and Kuenen 1984 see Genus Paracoccus Davis 1969 (Approved Lists 1980)
             123 Genus Tranquillimonas Harwati et al. 2008
             124 Genus Tropicibacter Harwati et al. 2009
             125 Genus Tropicimonas Harwati et al. 2009
             126 Genus Vadicella Romanenko et al. 2011
             127 Genus Wenxinia Ying et al. 2007
             128 Genus Yangia Dai et al. 2006