hippea maritima hippea maritima hippea maritima is a bacterium from the genus of hippea which has been isolated from sediments from a hydrothermal vent from matupi harbour in papua new guinea. hippea maritima scientific classification domain: bacteria phylum: campylobacterota class: desulfurellia order: desulfurellales family: desulfurellaceae genus: hippea species: h. maritima binomial name hippea maritimamiroshnichenko et al. 1999 type strain atcc 700847, dsm 10411, mh2