Dinosaur track sites from Portugal and its significance as natural
Transcrição
Dinosaur track sites from Portugal and its significance as natural
Dinosaur track sites from Portugal and its significance as natural heritage 1 1 1 Vanda Faria dos Santos , Fernando Barriga , A. M. Galopim de Carvalho , 2 2 2 2 3 4 Lia M. Mergulhão , C. Monteiro , Sofia C. Silveira , Maria J. Fernandes , Jose M. Alho , Raul Coelho Pedra da Mua / Upper Jurassic Dinosaur footprints are known Some sauropod trackways have well from dozens of track levels preserved pes print impressions showing from the Middle Jurassic claw marks. through the Late Cretaceous of There are also theropod trackways. Portugal. There is a good evidence for a herd of at least seven small sauropods. Three of these track sites Trackways from three larger sauropods reveal that their are of outstanding value due to trackmakers were all progressing in the same direction. its scientific meaning. There is also evidence of irregular or limping behaviour in both a sauropod and a theropod trackways. Galinha tracksite / Middle Jurassic Vale de Meios/ Middle Jurassic At Vale de Meios there are dozens of theropod trackways, some of them displaying similar travel directions. This site provides key evidence of theropod foot structure, locomotion and behaviour, contributing with valuable data to improve our knowledge of Middle Jurassic dinosaur communities. At Galinha track site there are long and wide-gauge sauropod trackways and some of them have manus and pes prints with unique morphologies that allowed a new sauropod ichnotaxon to be described and yielded information about the display of the metacarpals suggesting an intermediate stage of manus structure, unknown before the discovery of the Galinha tracksite. Due to their scientific value, track site accessibility and outstanding natural scenery, these sites possess exceptional outstanding value for geological and palaeontological public outreach. Increasing awareness of the population to The National Museum of Natural History and the authority responsible the significance of the fossil track record for the management of this palaeontological heritage (Institute of will generate added recognition of its value Nature Conservation and Biodiversity) work together providing the as natural heritage in their region. continuous studies and the means for geoconservation of these sites. 1 - Museu Nacional de História Natural. Rua da Escola Politécnica, 58. 1269-102 Lisboa. PORTUGAL. [email protected], [email protected], [email protected] 2 - Instituto da Conservação da Natureza e da Biodiversidade, Rua de Santa Marta, 55, 1169-230 Lisboa.PORTUGAL. [email protected], [email protected], [email protected] 3 - Câmara Municipal de Ourém, Praça do Município, 2490 Ourém. PORTUGAL. [email protected] 4 - Escola EB/S Artur Gonçalves, Av. Sá Carneiro, 2350 Torres Novas. PORTUGAL. [email protected]
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Dinosaur track sites from Portugal
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