Candidatus Pelagibacterales Dataset NCBI Taxonomy Rank ORDER Classification phylum Pseudomonadota class Alphaproteobacteria order Candidatus Pelagibacterales Name Synonyms "Candidatus Pelagibacterales" Grote et al. 2012 Pelagibacterales SAR 11 cluster Homonyms Candidatus Pelagibacterales "Candidatus Pelagibacterales" Grote et al. 2012