aciduliprofundum aciduliprofundum aciduliprofundum is a genus of the euryarchaeota. aciduliprofundum scientific classification domain: archaea phylum: euryarchaeota (unranked): dhve2 genus: aciduliprofundum species ca. a. boonei a. boonei, is an extremophile, a thermoacidophilic archaeon that lives in oceanic deep-sea hydrothermal vents, that has been shown to produce antibiotics against common pathogenic bacteria. it is one of a group of euryarchaeotes classed as dhve2 – deep-sea hydrothermal vent euryarchaeota 2, and the only one to be isolated. it is extremely widespread and yet has not been able to be cultivated. for this reason it may sometimes have the taxonomic addition of candidatus to its name - meaning a candidate for, until proven.