Some of the best-preserved trilobite fossils ever found have uncovered new details about these extinct arthropods, previously unknown. The fossils show unique features never seen before in other trilobite specimens, including specialized leg pairs surrounding the mouth, providing insight into how they fed. The discovery of four pairs of head appendages challenges previous assumptions about trilobite anatomy. These fossils highlight the potential of volcanic ash deposits for preserving fossils in exceptional detail. The study sheds light on the biology of trilobites and emphasizes the value of exploring volcanic rock for new fossil discoveries.
https://www.bristol.ac.uk/news/2024/june/prehistoric-pompeii.html