algibacter undariae algibacter undariae algibacter undariae is a gram-negative, rod-shaped and motile bacterium from the genus of algibacter. algibacter undariae scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: algibacter species: algibacter undariaepark et al. 2013 type strain ws-my9