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Published online by Cambridge University Press: 07 May 2025
A late Eocene (Priabonian) decapod crustacean (Arthropoda: Malacostraca: Decapoda) faunule from the sandstones and siltstones of the Tomášovce Member (Borové Formation) of northern Slovakia (Western Carpathians) is presented. Several decades of collecting at the Ďurkovec quarry in the Spišská Nová Ves district, the stratotype locality of the Tomášovce Member, yielded four decapod species, including an axiidean shrimp Ctenocheles sp. indet. (Ctenochelidae), and three brachyuran crabs Amphoranina hazslinszkyi (Reuss, 1859) new combination (Raninidae), Calappilia tridentata (Beurlen, 1939) (Calappidae), and Coeloma vigil A. Milne-Edwards, 1865 (Polybiidae). The faunule is dominated by A. hazslinszkyi and Coeloma vigil. The specimens often represent more-or-less intact individuals with preserved claws and walking legs, suggesting rapid burial and minimal to no postmortem transport. Additionally, specimens of A. hazslinszkyi are in some cases preserved perpendicularly to the bedding planes and interpreted as being covered by large amount of sediment while being buried in the substrate, causing death of the animals. The presence of trace fossils assigned to Thalassinoides Ehrenberg, 1944 are indirectly linked with the burrowing shrimp Ctenocheles sp. indet. The decapod faunule inhabited a shallow marine environment with the depth likely not exceeding 100 m.
Guest Editor: Adiel Klompmaker