drnuncheon said:Because velociraptor sounds way cooler than deinonychus, silly.
Speak for yourself. I'll take "Deinonychus" any day. Especially given their respective etymologies.
Joshua Dyal said:Coupla nitpicks -- Velociraptor was discovered in the 40s or 50s when the first Mongolian expeditions (mounted by Soviet scientists and Polish scientists) went out that way. They're also more like collie sized, not pony sized. Deinonychus was more wolf-sized. The larger ones, discovered just recently, are Utahraptor and Megaraptor. Also, all of the above are Maniraptoriformes, which is very clearly nestled in the Saurischian lineage of dinosaurs, i.e., the lizard-hipped. Although ironically, it's believed that actual birds evolved from relatives very close to the Velociraptor group, and the actual bird-hipped dinosaurs are an evolutionary dead-end.
Ok, this is me with egg on my face. I shoulda remembered that the bird-like (in stance) dinosaurs were lizard-hipped. I didn't bother to grab a book before my last post. On the discovery dates, i was going on childhood memories: Deinonychus was in every dino book i ever saw, but i'd never heard of Velociraptor before Jurassic Park. Somebody said it was the new, hot thing when Crichton wrote his book (and that's part of why he used them), and it didn't even occur to me to double-check--i'd never heard of them, so of *course* it was because they were a (relatively) new discovery.

However, where size is concerned, i stick to my guns. Checked a couple of books, as well as online, and they all concur: Deinonychus was significantly larger than Velociraptor. Maybe not quite "pony sized", but i couldn't think of a better comparison. I suppose "goat-sized" is pretty close, at least for size (probably rather lighter than a goat--what's a goat weigh?). I also overstated the size of Velociraptor.
From <http://www.mathematical.com/dinovelociraptor.html>:
Unfortunately, the producers of 'Jurassic Park' felt compelled to make the movie Velociraptor 400% larger than the fossil record would indicate. This perhaps sold 400% more videos. Velociraptor was probably the size of a Great Dane.
From <http://www.nationaldinosaurmuseum.com.au/dinoinfo/dinos/velociraptor.htm>:
Deinonychus antirrhopus
Time: late Early Cretaceous, 120 - 113 million years ago
Place: Western North America
Diet: Meat
Size: 3 metres long, 1.2 metres tall at the hips, 70 kilograms
Velociraptor mongoliensis
Time: late Late Cretaceous, ~?80 - ~?70 million years ago
Place: Mongolia, ?China
Diet: Meat
Size: 1.8 metres long, 0.5 metres tall at the hips, 10 -15 kilograms
As long as we're nitpicking: is the opening scene of Jurassic Park in the American SW (as i thought i remembered), where Deinonychus is found, or Mongolia (where Velociraptor is found)?