amylibacter ulvae amylibacter ulvae amylibacter ulvae is a gram-negative, strictly aerobic, rod-shaped and non-motile bacterium from the genus of amylibacter which has been isolated from the alga ulva fenestrata. amylibacter ulvae scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodobacterales family: rhodobacteraceae genus: amylibacter species: a. ulvae binomial name amylibacter ulvaenedashkovskaya et al. 2016 type strain kctc 32465, kmm 6515, strain 6alg 255