puteibacter puteibacter puteibacter is a gram-negative, short-rod-shaped, facultatively anaerobic and non-motile genus of bacteria from the family of prolixibacteraceae with one known species (puteibacter caeruleilacunae). puteibacter caeruleilacuna has been isolated from the yongle blue hole. puteibacter scientific classification domain: bacteria phylum: bacteroidota class: bacteroidia order: bacteroidales family: prolixibacteraceae genus: puteibactersun et al. 2020 species p. caeruleilacunae