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Written by an evolutionary biologist/ornithologist who writes about E3 -- Evolution, Ecology and Ethology -- and the subtle relationships between these phenomena, especially in birds.
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Topic Categories: Amphibians • Evolution • Reptiles • Streaming videos
Posted on: August 20, 2007 8:59 AM, by "GrrlScientist"
tags: walking with monsters, life before dinosaurs, evolution, streaming video
This streaming video gives you a snapshot of evolution prior to the rise of the dinosaurs. Even though it's kinda long, it's definitely worth watching .. although that giant spider gave me the heebie-jeebies! [9:17]
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Comments
Hi, this is just one episode of the complete Walking With Monsters series. See that here.
Posted by: dearkitty | August 20, 2007 6:28 PM
You'll be glad to know, then, that the giant spider is non-existent. Megarachne (the critter that inspired it) has since been re-interpreted as an oddball eurypterid. Palaeos.org has an illustration closer to what it would have really looked like. The largest known spider of all time, I believe, is actually a modern bird-eating spider.
Posted by: Christopher Taylor | August 20, 2007 10:38 PM
What the **** is a eurypterid? The picture still showed it eating a reptile, and it looked scary enough for me.
Though I've always had nightmares about the giant dragon flies myself.
What series was this clip taken from? I'll keep an eye out for reruns on Discovery.
Posted by: ArchAsa | August 21, 2007 1:57 PM
Eurypterids are often referred to as "sea scorpions". They were aquatic stem-arachnids that flourished in the Palaeozoic (take a look at Palaeos). Yes, many of them did look rather like scorpions, though the tails probably weren't toxic. A few of them reached spectacular sizes - 2 metres long!
The clip is from Walking with Monsters, the "prequel" to Walking with Dinosaurs. If this clip was any indication, though, the quality of writing and research rather declined for this series.
Posted by: Christopher Taylor | August 22, 2007 12:34 AM