metallogenium metallogenium metallogenium is a proposed genus of bacteria that has an affinity to form star-shaped manganese oxide minerals. the organism is supposedly observed in limnic environments. the species is currently not assigned to any taxonomic family. metallogenium scientific classification kingdom: bacteria class: incertae sedis genus: metallogeniumperfilev & gabe, 1961 type species metallogenium personatumperfilev & gabe, 1961