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‘Exceptional fossils’ of dinosaurs preserving feathers have radically changed the way we view their paleobiology and the evolution of birds. Understanding how such soft tissues preserve is imperative to accurately interpreting the morphology of fossil feathers. Experimental taphonomy has been integral to such investigations. One such experiment used a printing press to mimic compaction, done subaerially...
The beetle family Coccinellidae is rarely recorded from fossils. Most of the records come from the nineteenth and beginning of the twentieth century. A complete list of Coccinellidae records from Baltic amber is presented and discussed. Extensive literature research provided a surprising conclusion that not a single species of Coccinellidae has been formally described from Baltic amber till now. The...
Synchrotron-based techniques offer a wealth of elemental, molecular, and structural insights in biological samples, but the application of these techniques to fossils is a relatively new development. Here we examine how synchrotron radiation micro X-ray fluorescence (SR µXRF) may be used to investigate the chemical composition of insects trapped in amber, while leaving the inclusions unaltered. Elemental...
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