Stratified

Adjective

 * 1) arranged in a sequence of layers or strata
 * 2)  having a class structure

Thesaurus
assorted, cataloged, classified, filed, filmy, foliaceous, foliated, graded, grouped, hierarchic, in layers, indexed, lamellar, lamellate, lamellated, lamelliform, laminate, laminated, laminous, leaflike, leafy, membranous, on file, pigeonholed, placed, pyramidal, ranked, rated, scummy, sorted, spathic, spathose, stratiform, tabular, three-ply, two-ply

Antonyms

 * unstratified