This is a list of taxa with Candidatus status. For taxa not covered by this list, see also: the GenBank taxonomy for "effective" names as published; the Candidatus Lists and LPSN for latinate names, some sanitized to match the Code. Phyla "Ca. Absconditabacteria" (previously Candidate phylum SR1) ABY1 aka OD1-ABY1, subgroup of OD1 ("Ca. Parcubacteria") Candidate phylum AC1 "Ca. Acetothermia" (previously Candidate phylum OP1) "Ca. Aerophobetes" (previously Candidate phylum CD12 or BHI80-139) "Ca. Aminicenantes" (previously Candidate phylum OP8) aquifer1 aquifer2 "Ca. Berkelbacteria" (previously Candidate phylum ACD58) BRC1 CAB-I "Ca. Calescamantes" (previously Candidate phylum EM19) Candidate phylum CPR2 Candidate phylum CPR3 Candidate phylum NC10 Candidate phylum OP2 Candidate phylum RF3 Candidate phylum SAM Candidate phylum SPAM Candidate phylum TG2 Candidate phylum VC2 Candidate phylum WS1 Candidate phylum WS2 Candidate phylum WS4 Candidate phylum WYO CKC4 "Ca. Cloacimonetes" (previously Candidate phylum WWE1) CPR1 "Ca. Dependentiae" (previously Candidate phylum TM6) EM 3 "Ca. Endomicrobia" Stingl et al. 2005 "Ca. Fermentibacteria" (Hyd24-12) "Ca. Fervidibacteria" (previously Candidate phylum OctSpa1-106) GAL08 GAL15 GN01 GN03 GN04 GN05 GN06 GN07 GN08 GN09 GN10 GN11 GN12 GN13 GN14 GN15 GOUTA4 "Ca. Gracilibacteria" (previously Candidate phylum GN02, BD1-5, or BD1-5 group) Guaymas1 "Ca. Hydrogenedentes" (previously Candidate phylum NKB19) JL-ETNP-Z39 "Ca. Katanobacteria" (previously Candidate phylum WWE3) Kazan-3B-09 KD3-62 kpj58rc KSA1 KSA2 KSB1 KSB2 KSB4 "Ca. Latescibacteria" (previously Candidate phylum WS3) LCP-89 LD1-PA38 "Ca. Marinamargulisbacteria" (previously Candidate division ZB3) "Ca. Marinimicrobia" (previously Marine Group A or Candidate phylum SAR406) "Ca. Melainabacteria" "Ca. Microgenomates" (previously Candidate phylum OP11) "Ca. Modulibacteria" (previously Candidate phylum KSB3) MSBL2 MSBL3 MSBL4 MSBL5 MSBL6 NPL-UPA2 NT-B4 OC31 "Ca. Omnitrophica" (previously Candidate phylum OP3) OP4 OP6 OP7 OS-K/OS-K group "Ca. Parcubacteria" (previously Candidate phylum OD1) PAUC34f "Ca. Peregrinibacteria" (previously Candidate phylum PER) "Ca. Poribacteria" RsaHF231 S2R-29 "Ca. Saccharibacteria" (previously Candidate phylum TM7) SBR1093 SBYG-2791 Candidate phylum SC3 Candidate phylum SC4 Sediment-1 Sediment-2 Sediment-3 Sediment-4 SHA-109 SM2F11 TA06 "Ca. Tectomicrobia" TG3 ("Ca. Chitinivibrionia") WCHB1-60 WD272 WOR-1 WOR-3 WPS-1 WPS-2 WS5 WS6 ZB2 aka OD1-ZB2 subgroup of OD1 ("Ca. Parcubacteria") "Ca. Zixibacteria" Classes "Ca. Lambdaproteobacteria" Anantharaman et al. 2016 "Ca. Muproteobacteria" Anantharaman et al. 2016 "Ca. Zetaproteobacteria" Emerson et al. 2007 Orders "Ca. Nitrosopumilales" Könneke et al. 2005 Families "Ca. Midichloriaceae" Montagna et al. 2013 "Ca. Nitrosopumilaceae" Könneke et al. 2005 "Ca. Procabacteriaceae" "Ca. Rhabdochlamydiaceae" Genera "Ca. Accumulibacter" Hesselmann et al. 1999 "Ca. Allobeggiatoa" Hinck et al. 2011 "Ca. Arthromitus" Snel et al. 1995 "Ca. Bacilloplasma" Kostanjšek et al. 2007 "Ca.