This ancient spider preserved in amber had a frightening appendage — a whip-like tail.
The Cretaceous spider Chimerarachne yingi, found preserved in amber, lived about 100 million years ago and had some unusual features, including a long, whiplike tail. There's a new kid in town — in Creepycrawly Town, to be exact. But there's much more to this leggy fella than nightmarishly good looks.
There's that one feature you've probably noticed already that you might not expect to find at all in a spider: a long, segmented, whip-like tail that resembles the telson found in scorpions. All four of the specimens were preserved in amber from what's now Myanmar . One of the papers describes the holotype, or exemplar, of the species, as well as a second specimen. The other study details two additional individuals.
If that turns out to be the case, it's still exciting: Uraraneida was thought to have gone extinct near the end of the Permian, about 252 million years ago. Finding these little guys tells us that, if the team's conclusions are correct, the uraraneids survived for at least another 150 million years.
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