Publication | Closed Access
ON THE PALAEOBIOLOGY OF THE SOUTH AMERICAN HORNED THEROPOD CARNOTAURUS SASTREI BONAPARTE
28
Citations
7
References
1998
Year
Unknown Venue
BiologyMorphological EvidenceAxial SkeletonSynapsidaBody MassFur- TherNatural SciencesMammalogyEvolutionary BiologyPaleoanthropologyMorphologyPrimate FossilThe PalaeobiologyAnthropologyAnatomyMedicineLocomotor PerformanceJaw Mechanics
Some palaeobiological traits of the horned carnivorous dinosaur Carnotaurus BONAPARTE are assessed. Its body mass and indicator of athletic capabilities are estimated. A model of the jaw mechanics is proposed, including the analysis of the cranial kinesis. Fur- ther, the strength of the horns, head and neck muscles are studied. It is concluded that Car- notaurus was an agile theropod, with a somewhat fast rather than strong bite, and that it must have used the horns in intraspecific fights or even in hunting. RESUMO: Neste trabalho, discutem-se alguns aspectos paleobiologicos do dinossaurio car- nivoro com cornos Carnotaurus BONAPARTE. Sua massa corporal e a sua capacidade atleti- ca foram estimados. Propoe-se um modelo da mecânica mandibular, incluindo uma analise da cinetica do crânio. Alem disto, a resistencia dos cornos, cabeca e pescoco e estudada. Conclui-se que Carnotaurus era um teropode agil, com uma mordida mais rapida do que for- te e que deve ter usado seus cornos para lutas intraespecificas ou mesmo para a caca.
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