laceyella tengchongensis laceyella tengchongensis laceyella tengchongensis is a thermophilic bacterium from the genus of laceyella which has been isolated from soil from the big empty volcano in tengchong in china. laceyella tengchongensis scientific classification domain: bacteria phylum: bacillota class: bacilli order: bacillales family: thermoactinomycetaceae genus: laceyella species: l. tengchongensis binomial name laceyella tengchongensiszhang et al. 2010 type strain cctcc aa 208050, dsm 45262, yim 10002 synonyms laceyella yunnanensis