Jazzosaurus Rex is an album by the American musician David Murray.

[3] It features performances by Murray, John Hicks, Ray Drummond, and Andrew Cyrille.

[6] The Indianapolis Star wrote that "Ballad for David" "shows Murray evoking the titan Ben Webster in his breathy, urgent tone.

"[8] The Record noted that "Murray has never been a particularly melodic improvisor and his harsh tone grows wearisome after several cuts.

"[9] The AllMusic review by Scott Yanow stated: "The poet G'ar's narration on a blues 'Now He's Miles Away' (a tribute to Miles Davis) is a bit trivial but only a minor flaw for this worthwhile David Murray set.