The paleontological collections of the Royal Belgian Institute of Natural Sciences include a beautiful collection of 393 vertebrate specimens from the Messel Pit: 58 fish, 18 amphibians, 79 reptiles, 108 birds and 130 mammals. This collection is the largest Messel collection outside Germany and belongs to the „big four” (Smith et al. 2024). It results from a fieldwork partnership with the Seckenberg Research Institute, Frankfurt between 1982 and 1988, so a few years before the Messel pit was listed in 1995 as UNESCO World Heritage site. With a few exceptions, most of the specimens have been collected by the Belgians. However, most of the specimens have been prepared by German preparators. Here we show the Messel biodiversity based on the Brussels collection. The collection is relatively well diversified and contains 24 type and figured specimens. Among them are remarkable specimens such as the holotype of the hyaenodont carnivorous mammal Lesmesodon edingeri, the paratypes of the trogon bird Masillatrogon pumilio and embalonurid bat Tachypteron franzeni, the exquisitely 3-D prepared turtle lovers Allaeochelys crassesculpta and armored crocodylia Diplocynodon deponiae, and the only skeleton of the basal perissodactyl Hallensia matthesi housed in a public collection. The archives related to this collection are currently being digitized and several new studies are now based on micro-CT scan technology allowing to „discover” hidden characters.
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RBINS Staff Publications 2025 OA
