Serratia is a genus of Gram-negative, facultatively anaerobic, rod-shaped bacteria of the family Enterobacteriaceae. Wikipedia
Class: Gammaproteobacteria
Scientific name: Serratia
Family: Yersiniaceae
Phylum: Pseudomonadota
Order: Enterobacterales
Genus: Serratia; Bizio, 1823
Domain: Bacteria