Name:Bacillusacidocaldarius Darland and Brock 1971 (Approved Lists 1980)
Proposed as: sp. nov.
a.ci.do.cal.da.ri.us. L. neut. adj.acidum, an acid; from L. masc. adj.acidus, sour; L. adj.caldarius -a -um, pertaining to warm or hot; N.L. masc. adj.acidocaldarius, pertaining to acid thermal habitats
homotypic synonym, validly published under the ICNP
Bacillusacidocaldarius is the correct name if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Bacillus.