tepidamorphus gemmatus tepidamorphus gemmatus tepidamorphus gemmatus is a slightly thermophilic, gram-negative and rod-shaped bacterium species from the genus of tepidamorphus which has been isolated from a hot spring from the furnas area on the são miguel island on the azores. tepidamorphus gemmatus scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: tepidamorphaceae genus: tepidamorphus species: t. gemmatus binomial name tepidamorphus gemmatusalbuquerque et al. 2010 type strain cb-27a, dsm 19345, lmg 24113