The correct option is D Family
Taxon represents the unit used in biological classification. The various taxa include kingdom, phylum/division, class, order, family, genus and species.
A group of related genera having similar characteristics comprise a family.
In biological classification, family is one of the seven obligate taxonomic categories; it is classified between order and genus.
E.g., The genus Panthera and Felis are placed together in the family Felidae based on certain similarities
So, the correct answer is option D.