Viavenator
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Viavenator (meaning "road hunter") is a genus of carnivorous abelisaurid theropod dinosaur that lived in the Santonian-aged (Late Cretaceous) Bajo de la Carpa Formation of Argentina. Only a single species is known, V. exxoni, formally described in 2016 by Filippi and colleagues.
Classification
Filippi et al. classified Viavenator to a new clade known as the Furileusauria,[1] which includes it as well as Carnotaurus. This would mean the former taxon was closer to the latter than Majungasaurus. It would have measured 5.6 metres (18 ft) in length.[2]
Palaeobiology
Viavenator possessed a brain morphology similar to Aucasaurus, another South American abelisaurid, and had a similar inner ear. Compared to the Madagascan abelisaurid Majungasaurus, Viavenator was more reliant on quick movements of the head and sophisticated gaze stabilization mechanisms. However, both genera had a similar range of hearing according to the examinations and subsequent CT scans of the cranium.[3]
See also
References
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- ^ Page Module:Citation/CS1/styles.css has no content.Leonardo S. Filippi; Ariel H. Méndez; Rubén D. Juárez Valieri & Alberto C. Garrido (2016). "A new brachyrostran with hypertrophied axial structures reveals an unexpected radiation of latest Cretaceous abelisaurids" (PDF). Cretaceous Research. 61: 209–219. Bibcode:2016CrRes..61..209F. doi:10.1016/j.cretres.2015.12.018. hdl:11336/149906.
- ^ Page Module:Citation/CS1/styles.css has no content.Grillo, O. N.; Delcourt, R. (2016). "Allometry and body length of abelisauroid theropods: Pycnonemosaurus nevesi is the new king". Cretaceous Research. 69: 71–89. Bibcode:2017CrRes..69...71G. doi:10.1016/j.cretres.2016.09.001.
- ^ Page Module:Citation/CS1/styles.css has no content."Neuroanatomy of the abelisaurid theropod Viavenator exxoni". 23 June 2017.
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