<span class="searchmatch">holarcticōrum</span> genitive masculine/neuter plural of holarcticus...
holarctica genitive holarcticī holarcticae holarcticī <span class="searchmatch">holarcticōrum</span> holarcticārum <span class="searchmatch">holarcticōrum</span> dative holarcticō holarcticae holarcticō holarcticīs accusative...