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It tests whether its parameter, a Latinized rank, is a 'principal' Linnaean rank or not, returning 'yes' or 'no'. Editing this template will change which ranks are treated as principal, and therefore always displayed in an automated taxobox.
Ranks currently treated as principal are: regnum, phylum, divisio, classis, ordo, familia, genus and species, plus ichno- and oo- versions of these.
See also[change source]
Other configuration templates are: