The first dinosaur tracksite from Abruzzi (Monte Cagno,Central Apennines,Italy) |
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| Institution: | 1. BETA, University of Strasbourg, 61 Avenue de la Forêt-Noire, Strasbourg, 67085 Cedex, France;2. Economics Department, Stony Brook University, Social and Behavioral Sciences Building, Stony Brook, NY 11794, United States;3. Department of Economics, University of Insubria, Via Monte Generoso 71, Varese 21100, Italy;1. Instituto Superior de Correlación Geológica (INSUGEO), Universidad Nacional de Tucumán — CONICET, Miguel Lillo 205, 4000 Tucumán, Argentina;2. Instituto de Investigación en Paleobiología y Geología, Universidad Nacional de Río Negro — CONICET, Av. Roca 1242, General Roca 8332, Río Negro, Argentina;3. Universidad Nacional de Salta — CONICET, Complejo Universitario Castañares, 4400 Salta, Argentina;4. Instituto del Cenozoico INCE, Universidad Nacional de Salta, Complejo Universitario Castañares, 4400 Salta, Argentina;1. Dipartimento di Ingegneria Strutturale e Geotecnica, Sapienza, Università di Roma, Via Eudossiana 18, 00100, Rome, Italy Università di Roma, Via del Policlinico 155, 00161 Rome, Italy;2. Dipartimento di Scienze Cardiovascolari, Respiratorie, Nefrologiche, Anestesiologiche e Geriatriche, Sapienza, Rome, Italy;3. Department of Biological and Environmental Sciences, University of Gothenburg, Sweden;4. Department of Computational Biology, University of Lausanne, Switzerland;5. Gothenburg Global Biodiversity Centre, Gothenburg, Sweden;6. Dipartimento di Scienze della Terra, dell''Ambiente e delle Risorse, L.go San Marcellino 10, 80138 Napoli, Italy;7. Department of Sciences, Roma Tre University, Largo S. Leonardo Murialdo 1, 00146 Rome, Italy;8. Dipartimento di Scienze della Terra, Via G. La Pira, 4, 50121 Firenze, Italy;9. Form, Evolution and Anatomy Research Laboratory, Zoology, School of Environmental and Rural Sciences, University of New England, Armidale, NSW 2351, Australia |
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| Abstract: | A new Lower Cretaceous (lower Aptian) dinosaur tracksite, from the eastern side of Monte Cagno (Abruzzi, Italy), is described. Different styles of track formation are represented on the site surface. Most of the footprints are preserved as deep tracks, produced by trackmakers sinking into soft mud. Some tracks, better preserved than the others, are characterized by metatarsal impressions and were interpreted as the resting traces of a crouching theropod (based on their orientation and three-dimensional morphology). The 135 cm length of the track with metatarsal impressions indicates huge pedal proportions and represents the largest theropod trackmaker ever documented from the Mesozoic peri-Adriatic platforms of Italy. |
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| Keywords: | Tracks Dinosaurs Cretaceous Metatarsals Crouching Theropods |
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