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Theropod turbinals

>"'We can make a real strong argument that all [!!] the meat-eating
>dinosaurs were cold-blooded [because they lacked turbinals],' he said."

See the March 1992 issue of _Discover_ for a nice illustration, made from
C-T scans, of the turbinal structure within the skull of _Nanotyrannus
lancensis_, most definitely a meat-eating theropod.