Klerf Formation
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The Klerf Formation is an Early Devonian (Emsian) facies that includes a Lagerstätte in the Northern Eifel hills, at Willwerath near Prüm, Rhineland-Palatinate, Germany. In it Jaekelopterus rhenaniae, a giant eurypterid was discovered. The Klerf Formation was first described in 1919 by Rudolf Richter (1881-1957).[1]
