Taxonomic a. : Pertaining to, or involving, taxonomy, or the laws and principles of classification; classificatory.

Example:
What Taxonomic class are cats classified in?

Taxonomy
taxonomy, folk taxonomies, car, ranks, taxa, subtype, relationships, vehicle, supertype, free encyclopedia, Biological classification, alpha taxonomy, taxonomic scheme, constraints, hierarchies, taxonomic ranks, traits, similarity.

Defination from the web:
... Celestial Emporium of Benevolent Recognition, a fictional Chinese encyclopedia with an "impossible" taxonomic scheme. Chresonym ...