The Klerf Formation is an Early Devonian (Emsian) formation 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, comprising greenish and reddish shales, siltstones and sandstones, was first described in 1919 by Rudolf Richter (1881-1957) and reaches a maximum thickness of about 1,300 metres (4,300 ft).[1] It is part of Alken quarry along with Nellenköpfchen Formation.[2]
^Poschmann, Markus; Braddy, Simon J. (2010). "Eurypterid trackways from Early Devonian tidal facies of Alken an der Mosel (Rheinisches Schiefergebirge, Germany)". Palaeobiodiversity and Palaeoenvironments. 90 (2): 111–124. Bibcode:2010PdPe...90..111P. doi:10.1007/s12549-010-0024-2. ISSN 1867-1594.
The KlerfFormation is an Early Devonian (Emsian) formation that includes a Lagerstätte in the Northern Eifel hills, at Willwerath near Prüm, Rhineland-Palatinate...
on the isolated fossil remains of a large chelicera (claw) from the KlerfFormation of Germany, J. rhenaniae has been estimated to have reached a size...
(2024). Taxonomic revision of ostracods from the Lower Cretaceous Codó Formation (Brazil) is published by Coimbra & Petró (2024). Drage (2024) finds evidence...
have lived, is Jaekelopterus rhenaniae. A chelicera from the Emsian KlerfFormation of Willwerath, Germany measured 36.4 centimeters (14.3 in) in length...
Willwerathia laticeps, discovered in deposits of the Devonian period from the KlerfFormation, in the Rhenish Slate Mountains of Germany. As a synziphosurine, Willwerathia...
paleontologist Leif Størmer in 1969 based on fossil remains from the Devonian KlerfFormation in Germany, to the genus. Poschmann also referred the species Rhenopterus...
Germany. The fossil deposits the specimen was uncovered in belong to the KlerfFormation and are of Early Devonian age, specifically the uppermost Lower Emsian...
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