For many collectors roofing slates of Bundenbach are a synonym for arthropods at excellent preservation, first of all of Trilobites. Although the class Trilobita is diverse, containing over 20,000 species in the fossil record, there are only 10 genera and species listed according to the identification book "Life in the Devonian" by SÜDKAMP (2017). Based on the find frequency, about 99% of all finding belong to Chotecops. An inverse relationship results for specimens with feet. Out of about 100 Chotecops specimens, one shows soft tissue preservation. Apart from Renops, complete specimens of all other genera are among the greatest rarities.
Chotecops ferdinandi (XL)
25x26 cm (matrix), 8x9 cm (fossil)
Bundenbach, Grube Eschenbach
Chotecops ferdinandi
13.5x14 cm (matrix), 2.5 cm (fossil)
Bundenbach, Grube Eschenbach
Rhenops sp. (rare)
9.5x21.5 cm (matrix), 5.0 cm (fossil)
Bundenbach, Grube Eschenbach
Nahecaris is the most common non-Trilobite arthropod. The large bivalved shield (carpace) is not uncommon, complete specimens with limbs and antennae are highly sought rarities by collectors.
Nahecaris stuertzi + Sphenotallus
15x22 cm (matrix), 10 cm (fossil)
ex coll. Goldbach museum, with X-Ray, preparation by Wouter Südkamp
Bundenbach, Grube Obereschenbach
Nahecaris stuertzi
6 cm (Fossil)_20x16 cm (Matrix)
Bundenbach, Grube Obereschenbach
Arthropods other than trilobites and Nahecaris are among the most spectacular fossils of the Hunsrück Slate. They give a unique insight into a dynamic development in Devon. Only unique specimens or a few specimens are known from numerous genera. Available for collectors, at least in partial preservation, are Sea Spider with the habit of a knight's armor, belonging to Chelicerates group, and Mimetaster, with his star-like head shield, belonging to the Euarthropoda.
Palaeoisopus problematicus
20x20 cm (Matrix), 14 cm (Fossil)
complete seaspider on unbroken plate.
Mimetaster hexagonalis (XL)
Bundenbach, Grube Obereschenbach
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