Jurassic is a hypernym of oxfordian.
As adjectives the difference between jurassic and oxfordian
is that
jurassic is (
label) of or pertaining to the second period of the mesozoic era, a time still dominated by dinosaurs while
oxfordian is of or pertaining to oxford or its residents.
As proper nouns the difference between jurassic and oxfordian
is that
jurassic is the period from 2013±02 to 145 million years ago, after the triassic and before the cretaceous; the geologic systems of this period while
oxfordian is (geology) the age from 1635±10 ma to 1573±10 ma or the stage of rocks (chiefly coral-derived limestones) deposited during it.
As a noun oxfordian is
a native or resident of oxford.