Prevotella nigrescens Dataset NCBI Taxonomy Rank SPECIES Classification phylum Bacteroidota class Bacteroidia order Bacteroidales family Prevotellaceae genus Prevotella species Prevotella nigrescens Name Synonyms Prevotella nigrescens Shah and Gharbia 1992 emend. Hahnke et al. 2016 Homonyms Prevotella nigrescens Prevotella nigrescens NCTC 9336 Prevotella nigrescens JCM 12250 Prevotella nigrescens Shah and Gharbia 1992 emend. Hahnke et al. 2016