"cand." . " Candidatus' rank is proposed in bacteriology for putative taxa, which could not yet be studied sufficiently to warrant the creation of a name with a known rank. (Murray, R.G.E.\n & Schleifer, K.H.: Taxonomic notes: a proposal for recording the properties of putative taxa of procaryotes. Int. J. Syst. Bacteriol., 1994, 44, 174-176). " . "cand." . .