A Milwaukee Suburb Is Full of Ultrarare Fossils
The Atlantic Ancient crustacean guts are miraculously preserved in a Waukesha quarry. CM Dixon / Print Collector / Getty Some 440 million years ago, the Milwaukee, Wisconsin, suburb of Waukesha was unrecognizable. Where malls and breweries now stand was a shallow, tropical sea resembling a Bahamian cay. A hundred million years removed from the Cambrian explosion, when the diversity of life skyrocketed, this area teemed with alien creatures like spiny worms and armored trilobites. But look closer, and this primeval ocean takes on a familiar feel: Here, the some of the first scorpions scuttled ...
Source: theatlantic.com
