Scientists have mapped how a group of fearsome, massive dinosaurs evolved and shrank to the likes of robins and hummingbirds. Comparing fossils of 120 different species and 1,500 skeletal features, especially thigh bones, researchers constructed a detailed family tree for the class of two-legged meat-eaters called theropods. That suborder of dinos survives to this day as birds, however unrecognizable and improbable it sounds. The steady downsizing and elegant evolution of the theropods is detailed in the journal Science. Just more proof that Cadence is, in fact, a Velociraptor....
Posted on: Thu, 21 Aug 2014 14:07:32 +0000
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