Michela Contessi

Michela Contessi
University of Bologna | UNIBO · Museo Capellini SMA

PhD

About

18
Publications
7,176
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327
Citations
Citations since 2017
2 Research Items
228 Citations
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2017201820192020202120222023010203040

Publications

Publications (18)
Article
Full-text available
An isolated large tusk, belonging to the historical finds of the Collezione di Geologia "Museo Giovanni Capellini" (Bologna, Italy) and originally identified as belonging to a hippopotamus, is here described and reassigned to the genus Metaxytherium (Dugongidae, Sirenia, Mammalia). According to the museum label, this specimen originates from the no...
Article
Tetrapod footprints have long been known from Permian outcrops of the Cheguimi Sandstone in southern Tunisia, but never described in detail. The only recovered specimen preserves vertebrate tracks of two different biospecies. Ichnomorphotype 1 shows affinity with mid-Permian tetrapod tracks from France (Merifontichnus Gand et al., 2000) and South A...
Article
Current knowledge of theropod dinosaurs of northern Africa and their diversity during the Early Cretaceous is deceptively fragmentary and commonly associated with inadequate stratigraphic and palaeoecological data. Thereby, confused taxonomic affinities of theropod remains, represented primarily by isolated teeth and fragmentary skeletal remains, r...
Data
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Two types of small-to medium-sized theropod tracks are described for the first time from the Lower Cantwell Formation (Upper Cretaceous) of Denali National Park in the central Alaska Range, Alaska. The Lower Cantwell comprises some 4000 m of fluvial channel and floodplain basin fill of several sedimentary lithologies. The tracks are assigned to the...
Article
New dinosaur tracks discovered at the Chenini site, near Tataouine (southern Tunisia), are described. Isolated tracks as well as manus/pes couples of a quadrupedal dinosaur are referred to a hadrosaurian tracemaker and assigned to cf. Apulosauripus federicianus (Nicosia et al., 2000b), an ichnospecies originally described in the Upper Cretaceous ca...
Article
Full-text available
Recent interpretations of the postcranial anatomy of sauropod dinosaurs differ about pneumatic features supporting an avian-like ventilatory system; the most conservative workers reject most postcranial pneumatizations as being unambiguous evidence of abdominal air sacs. Here we describe the first articulated dinosaur skeleton from Tunisia and refe...
Article
Full-text available
In this study, we present new data on the Hojapil-Ata dinosaur mega-tracksite located in the Koitendag National Park of eastern Turkmenistan, central Asia. Accurate GPS mapping, three-dimensional data on preserved tracks, and comparison with previous studies provides now a detailed database for this site. The track-bearing surface, Upper Jurassic i...
Article
Full-text available
Four vertebrate tracksites from the Middle Jurassic and Upper Cretaceous in the Tataouine basin of southern Tunisia are described. Approximately 130 tridactyl footprints distributed over an area of 200 square meters, preserved on Callovian beds exposed at the Beni Ghedir site, represent the oldest evidence of a dinosaur fauna in Tunisia. In additio...
Article
The ‘‘Continental Intercalaire’’ deposits of southern Tunisia preserve one of the most diverse Early Cretaceous vertebrate fauna from Africa, consisting of elasmobranchs, actinopterygians, sarcopterygians, turtles, crocodyliforms, pterosaurs, and non-avian dinosaurs. Vertebrate remains representative of both marine and fluvial environments have bee...
Article
The discovery of fossil bird tracks from the Cenomanian Kerker Member (Zebbag Formation) in southern Tunisia represents the oldest report of fossil birds from the Cretaceous of continental Africa. Three small bird tracks were discovered in a track-bearing surface dominated by tridactyl dinosaur footprints and are attributed to the ichnogenus Korean...
Article
Full-text available
National Geoparks initiatives are essential strategies to enhance the value of Earth's heritage and to promote a regional sustainable socio-economic and cultural development. As an example for geological heritage development, an ongoing partnership between the Department of Geological and Environmental Sciences of the University of Bologna (Italy)...

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