"Bacillus marcescens" (Bizio 1823) Trevisan in de Toni and Trevisan 1889 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Gammaproteobacteria order Enterobacterales family Yersiniaceae genus Serratia species Serratia marcescens Name Homonyms Bacillus marcescens "Bacillus marcescens" (Bizio 1823) Trevisan in de Toni and Trevisan 1889