Re: [dinosaur] Carnotaurus endocranial morphology

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On Sat, Nov 23, 2019 at 8:19 AM Ben Creisler <[email protected]> wrote:

> Ben Creisler
> [email protected]
>
> A new paper:
>
>
> Mauricio A. Cerroni & Ariana Paulina-Carabajal (2019)
> Novel information on the endocranial morphology of the abelisaurid
> theropod Carnotaurus sastrei.
> Comptes Rendus Palevol (advance online publication)
> doi: https://urldefense.proofpoint.com/v2/url?u=https-3A__doi.org_10.1016_j.crpv.2019.09.005&d=DwIBaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=MOxssKwBxdTMt2aBw9Xp4rmlthGwPXbeB2LWPpUZxTk&s=6bMexPne1gBd7TD-2sQfoAg8t_chjf7riSfjWSrd2Gs&e= 
> https://urldefense.proofpoint.com/v2/url?u=https-3A__www.sciencedirect.com_science_article_abs_pii_S1631068319301824&d=DwIBaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=MOxssKwBxdTMt2aBw9Xp4rmlthGwPXbeB2LWPpUZxTk&s=19DqF5r8pVS4zS5JYcGxNy3QWGBsjyWbYMk6eEEEy2Q&e= 
>
>
> The endocranial morphology of the abelisaurid Carnotaurus sastrei, from
> the Upper Cretaceous of Patagonia, is studied using X-ray Computed
> Tomography (CT). The CT scans provided information that allowed the first
> reconstruction of the brain, inner ear and braincase pneumaticity for this
> South American taxon. The endocranial morphology confirms that abelisaurids
> share an overall conformation of the brain and inner ear. However, some
> traits, such as the height of the dorsal sinuses and the length of the
> flocculus in the cranial endocast, and a large subsellar recess in the
> basicranium, appear to characterize the South-American abelisaurids only.
> Moreover, the olfactory acuity of Carnotaurus resembles that reported for
> other abelisaurids (e.g., Majungasaurus, Viavenator), suggesting that the
> sense of smell had an important role. However, some attributes of the
> endocranial features of Carnotaurus (i.e. development and orientation of
> the olfactory bulbs and tracts) may imply particular olfactory capacities
> when compared with other abelisaurids.
>
>