zymophilus zymophilus zymophilus is a genus of bacillota bacteria classified within the class negativicutes. zymophilus scientific classification domain: bacteria phylum: bacillota class: negativicutes order: selenomonadales family: veillonellaceae genus: zymophilusschleifer et al. 1990 species zymophilus paucivorans schleifer et al. 1990 zymophilus raffinosivorans schleifer et al. 1990 (type sp.)