caldimonas hydrothermale caldimonas hydrothermale caldimonas hydrothermale is a gram negative, thermophilic and motile bacterium from the genus caldimonas with a single polar flagellum which has been isolated from a natural thermal spring in tozeur in tunisia. caldimonas hydrothermale scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: burkholderiales family: comamonadaceae genus: caldimonas species: caldimonas hydrothermale binomial name c. hydrothermalebouraoui et al. 2010 type strain han-85, dsm 18497, lmg 23755