Face of 49-Million-Year-Old Spider Revealed in 3-D - Yahoo! News
Naturwissenschaften, confirms that the ancient spider is a member of the genus Eusparassus. These arachnids, also known as Huntsman spiders, live in the tropics and in Southern Europe today. From leg to leg, they can grow to a size of almost a foot (0.3 meters). Huntsman spiders are non-aggressive and non-toxic to humans, but they can deliver a painful bite.
The ancient spider fossil, which is housed in the Berlin Natural History Museum, is buried in a darkened chunk of amber and is barely visible. Using a method called X-ray computed tomography, researchers from Germany and the United Kingdom created three-dimensional images and movies of the spider inside the amber.
What was around when this giant arachnid crawled what is now central Europe? Another giant, it seems, as researchers recently reported a hummingbird-size ant lived in what is now Wyoming at the time.
My question would be.....how do we know those ones back then were non-aggresive? Thoughts?



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