undibacterium aquatile undibacterium aquatile undibacterium aquatile is a gram-negative, strictly aerobic, rod-shaped and motile bacterium from the genus of undibacterium which has been isolated from the waterfall of the gyeryongsan mountain in korea. undibacterium aquatile scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: burkholderiales family: oxalobacteraceae genus: undibacterium species: u. aquatile binomial name undibacterium aquatiledu et al. 2015 type strain cctcc ab 2015119, kctc 42243, thg-dn7.3