There are giant feathered tyrannosaurs now… right?

Regular readers will perhaps know that I (and others) have been saying for a while that Mesozoic Earth was not the global hothouse that many have long assumed. There’s evidence for cool continental interiors and poles during parts of the Jurassic and Cretaceous (Barron & Washington 1982, , Sloan & Barron 1990, Sellwood et al. 1994), sea surface temperatures that were similar to those of the cold, modern north Pacific and Atlantic (Van de Schootbrugge et al. 2000), and some researchers think that there were glaciation events – that’s right, I said glaciation events – late in the Jurassic and early in the Cretaceous (Dromart et al. 2003, McArthur et al. 2007). —There are giant feathered tyrannosaurs now… right? | Tetrapod Zoology, Scientific American Blog Network.


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