. ▁ 2 0 1 5 ] ▁ ▁Class ▁Ch ry si ogen etes ▁G arr ity ▁& ▁Hol t ▁ 2 0 0 2 ▁ ▁Order ▁Ch ry si ogen ales ▁G arr ity ▁& ▁Hol t ▁ 2 0 0 2 ▁ ▁Family ▁Ch ry si ogen aceae ▁G arr ity ▁& ▁Hol t ▁ 2 0 0 2 ▁ ▁Gen us ▁Ch ry si ogen es ▁M acy ▁et ▁al . ▁ 1 9 9 6 ▁ ▁Species ▁Ch ry si ogen es ▁ar sen atis ▁M acy ▁et ▁al . ▁ 1 9 9 6 ▁ ▁Gen us ▁Des ulf ur is pi ra ▁Sor ok in ▁& ▁Mu y zer ▁ 2 0 1 0 ▁ ▁Species ▁Des ulf ur is pi ra ▁nat ron oph ila ▁Sor ok in ▁& ▁Mu y zer ▁ 2 0 1 0 ▁ ▁Gen us ▁Des ulf ur isp ir ill um ▁Sor ok in ▁et ▁al . ▁ 2 0 1 0 ▁[" Des ulf ur isp ir ill um " ▁Sor ok in ▁et ▁al . ▁ 2 0 0 7 ] ▁ ▁Species ▁D . ▁alk ali ph il um ▁Sor ok in ▁et ▁al . ▁ 2 0 1 0 ▁[" Des ulf ur isp ir ill um ▁alk ali ph il um " ▁Sor ok in ▁et ▁al . ▁ 2 0 0 7 ] ▁ ▁Species ▁D . ▁indic um ▁R aus chen bach ▁et ▁al . ▁ 2 0 1 1 ▁[" S elen