Antrodemus
Antrodemus ( "chamber bodied" ) is a dubious genus of theropod dinosaur from the Kimmeridgian-Tithonian age Upper Jurassic Morrison Formation of Middle Park , Colorado . 
<triplet> Kimmeridgian <subj> Upper Jurassic <obj> part of <triplet> Tithonian <subj> Upper Jurassic <obj> part of <triplet> Morrison Formation <subj> Kimmeridgian <obj> temporal range start <triplet> Middle Park <subj> Colorado <obj> located in the administrative territorial entity