Note: live version does not italicize regardless of the rank passed to it.

Test cases for {{Taxonomy}} / {{Taxonomy/sandbox}}
Live Sandbox
{{Taxonomy|rank=familia|link=Felidae|auth=who}}
Family:
Felidae

who
Family:
Felidae

who
{{Taxonomy|rank=genus|link=Felis|auth=Linnaeus, 1758}}
Genus:
Felis

Linnaeus, 1758
Genus:
Felis

Linnaeus, 1758
{{Taxonomy|rank=genus/noitalics|link=''Felis''|auth=Linnaeus, 1758}}
Genus:
Felis

Linnaeus, 1758
Genus:
Felis

whoLinnaeus, 1758
{{Taxonomy|rank=species|link=Felis catus|auth=Linnaeus, 1758}}
Species:
Felis catus

Linnaeus, 1758
Species:
Felis catus

Linnaeus, 1758
{{Taxonomy|rank=species|link=''Felis catus''|auth=Linnaeus, 1758}}
Species:
Felis catus

Linnaeus, 1758
Species:
Felis catus

Linnaeus, 1758
{{Taxonomy|rank=species|link=F. catus|auth=Linnaeus, 1758}}
Species:
F. catus

Linnaeus, 1758
Species:
F. catus

Linnaeus, 1758
{{Taxonomy|rank=subspecies|link=''F. s. caudata''|auth=Gray, 1874}}
Subspecies:
F. s. caudata

Gray, 1874
Subspecies:
F. s. caudata

Gray, 1874
{{Taxonomy|rank=subspecies|link=''F. verylongspecificepithettotestnowrap''|auth=Someone, 1900}}
Subspecies:
F. verylongspecificepithettotestnowrap

Someone, 1900
Subspecies:
F. verylongspecificepithettotestnowrap

Someone, 1900
{{Taxonomy|rank=subspecies|link=Felis verylongspecificepithettotestwrapping|auth=Someone, 1900}}
Subspecies:
Felis verylongspecificepithettotestwrapping

Someone, 1900
Subspecies:
Felis verylongspecificepithettotestwrapping

Someone, 1900