A prehistoric swamp in what we now know as Germany has been an unresolved puzzle since it was discovered by paleontologists, filled with remains of hundreds of ancient frogs.
Located some 22 miles west of Leipzig in a former coalfield, the Geiseltal biota is an example of a so-called Konservat-Lagerstätten a sedimentary deposit containing extraordinarily well-preserved fossil remains. The rocks of the Geiseltal biota date back some 45 million years to the middle of the Eocene epoch, and are considered to be a
Researchers have solved an ancient mystery what killed a group of prehistoric frogs. Prior research blamed lack of oxygen or dried up lakes, but the true culprit was a swamp mating death trap.