hippea hippea hippea is an obligate anaerobic and moderately thermophilic bacteria genus from the family of desulfobacteraceae. hippea is named after the german microbiologist hans hippe. hippea scientific classification domain: bacteria phylum: campylobacterota class: desulfurellia order: desulfurellales family: desulfurellaceae genus: hippeamiroshnichenko et al. 1999 type species hippea maritima species h. alviniae h. jasoniae h. maritima