comamonas guangdongensis comamonas guangdongensis comamonas guangdongensis is a gram-negative, anaerobic, motile bacterium from the genus comamonas and family comamonadaceae, which was isolated from subterranean forest sediment in guangdong province in china. comamonas guangdongensis scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: burkholderiales family: comamonadaceae genus: comamonas species: c. guangdongensis binomial name comamonas guangdongensiszhang et al. 2013 type strain cctcc ab 2011133, cy01, kacc 16241