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A coleção de conchas dos museus de geociências : conservação preventiva, inventário e estudo
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The shell collection of the Museus de Geociências of the Instituto Superior Técnico originated in the mid-19th century, with a primarily educational purpose, but also a scientific and utilitarian one, characteristic of university museums. This collection was in an advanced state of degradation, caused by the effect of microorganisms resulting from water infiltration, and required rapid intervention. To solve this problem, the collection’s conservation work consisted of preserving and thoroughly sanitising the specimens and associated information, as well as re-evaluating the packaging of the specimens to avoid similar situations in the future, and then carrying out an inventory of the collection. The results obtained by analysing the survey revealed that the collection totals more than 6077 fossil and modern specimens, representing five classes of molluscs (Bivalvia, Gastropoda, Cephalopoda, Polyplacophora and Scaphopoda) and fifty different taxonomic genera, making it possible to explain concepts relevant to the teaching of Palaeontology, a subject taught at the institution until 1948, also evidenced by the fact that the collection is located in a classroom. Throughout the research, this collection’s historical, pedagogical, and scientific importance became increasingly clear, as did its uniqueness, demonstrated by the combination of fossil and modern mollusc typologies, making it a rare case in the context of Natural History and especially in the Geosciences, in Portugal.
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Thadeu, Décio, 1919-1995 Universidade de Lisboa. Instituto Superior Técnico Museologia das ciências Coleção de conchas Malacologia Conquiologia Conservação preventiva Inventariação