Re: [dinosaur] Crocodylomorph body size evolution (free pdf)

Has anyone managed to open the .zip files of the Supplement? They do not 
work for me.

On 08/08/2019 16:29, Ben Creisler wrote:
>
> Ben Creisler
> [email protected] <mailto:[email protected]>
>
>
> A new paper:
>
> Free pdf:
>
> Pedro L. Godoy, Roger B. J. Benson, Mario Bronzati & Richard J. Butler 
> (2019)
> The multi-peak adaptive landscape of crocodylomorph body size evolution.
> BMC Evolutionary Biology 19: 167
> DOI: https://urldefense.proofpoint.com/v2/url?u=https-3A__doi.org_10.1186_s12862-2D019-2D1466-2D4&d=DwIDaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=JMxjjbIZXCWilersPs1bzRx-3mUwTiQUzlyzWk7v7k4&m=0S9Ixp4lhpC32uFWcBNPOWko6i4X-CWNqdwu3vNTuXk&s=bZfcSbZ_nJafaHFaWxJH3DU3Zz-1QOuMjhMQ_0GHjLQ&e=  
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__doi.org_10.1186_s12862-2D019-2D1466-2D4&d=DwMFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=0VybpwiXlAoPoFnf1HSd5ZjS37RN5anZNzGB-wlMoMc&s=S_wAPEtaDemWBldGnDEFnx0uTSjnadWeklR8TPZ5V6Q&e=>
> https://urldefense.proofpoint.com/v2/url?u=https-3A__link.springer.com_article_10.1186_s12862-2D019-2D1466-2D4&d=DwIDaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=JMxjjbIZXCWilersPs1bzRx-3mUwTiQUzlyzWk7v7k4&m=0S9Ixp4lhpC32uFWcBNPOWko6i4X-CWNqdwu3vNTuXk&s=rY77EAnb31E03KcmPkbgatj63J2SofHmrVEZcJSbWrI&e=  
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__link.springer.com_article_10.1186_s12862-2D019-2D1466-2D4&d=DwMFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=0VybpwiXlAoPoFnf1HSd5ZjS37RN5anZNzGB-wlMoMc&s=aMhH8y5NkGu54IPdOlGYd_0P-KifH5hkZNwjdD7CRCw&e=>
> https://urldefense.proofpoint.com/v2/url?u=https-3A__bmcevolbiol.biomedcentral.com_articles_10.1186_s12862-2D019-2D1466-2D4&d=DwIDaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=JMxjjbIZXCWilersPs1bzRx-3mUwTiQUzlyzWk7v7k4&m=0S9Ixp4lhpC32uFWcBNPOWko6i4X-CWNqdwu3vNTuXk&s=Fa6zFlNGgaY1uNVBIC68A6RKe2zum7_PriUcSYeDmXQ&e=  
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__bmcevolbiol.biomedcentral.com_articles_10.1186_s12862-2D019-2D1466-2D4&d=DwMFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=0VybpwiXlAoPoFnf1HSd5ZjS37RN5anZNzGB-wlMoMc&s=sXSH3aS6TFEtXLyF6iFtGszgyYO0dx3fSVBw3qBO1nE&e=>
>
> free pdf:
> https://urldefense.proofpoint.com/v2/url?u=https-3A__link.springer.com_content_pdf_10.1186-252Fs12862-2D019-2D1466-2D4.pdf&d=DwIDaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=JMxjjbIZXCWilersPs1bzRx-3mUwTiQUzlyzWk7v7k4&m=0S9Ixp4lhpC32uFWcBNPOWko6i4X-CWNqdwu3vNTuXk&s=dCjDsk-TaOc4v8htw8ap4qTCAEHnMtmkrDFEHRT7bbw&e=  
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__link.springer.com_content_pdf_10.1186-252Fs12862-2D019-2D1466-2D4.pdf&d=DwMFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=0VybpwiXlAoPoFnf1HSd5ZjS37RN5anZNzGB-wlMoMc&s=FIrw9YpT2AN8oTMog0a8T97hF5QAGJkTHGWOdrIuSDw&e=>
>
> Background
>
> Little is known about the long-term patterns of body size evolution in 
> Crocodylomorpha, the > 200-million-year-old group that includes living 
> crocodylians and their extinct relatives. Extant crocodylians are 
> mostly large-bodied (3–7 m) predators. However, extinct 
> crocodylomorphs exhibit a wider range of phenotypes, and many of the 
> earliest taxa were much smaller (< 1.2 m). This suggests a pattern of 
> size increase through time that could be caused by multi-lineage 
> evolutionary trends of size increase or by selective extinction of 
> small-bodied species. Here, we characterise patterns of crocodylomorph 
> body size evolution using a model fitting-approach (with cranial 
> measurements serving as proxies). We also estimate body size disparity 
> through time and quantitatively test hypotheses of biotic and abiotic 
> factors as potential drivers of crocodylomorph body size evolution.
>
> Results
>
> Crocodylomorphs reached an early peak in body size disparity during 
> the Late Jurassic, and underwent an essentially continual decline 
> since then. A multi-peak Ornstein-Uhlenbeck model outperforms all 
> other evolutionary models fitted to our data (including both uniform 
> and non-uniform), indicating that the macroevolutionary dynamics of 
> crocodylomorph body size are better described within the concept of an 
> adaptive landscape, with most body size variation emerging after 
> shifts to new macroevolutionary regimes (analogous to adaptive zones). 
> We did not find support for a consistent evolutionary trend towards 
> larger sizes among lineages (i.e., Cope’s rule), or strong 
> correlations of body size with climate. Instead, the intermediate to 
> large body sizes of some crocodylomorphs are better explained by 
> group-specific adaptations. In particular, the evolution of a more 
> aquatic lifestyle (especially marine) correlates with increases in 
> average body size, though not without exceptions.
>
> Conclusions
>
> Shifts between macroevolutionary regimes provide a better explanation 
> of crocodylomorph body size evolution on large phylogenetic and 
> temporal scales, suggesting a central role for lineage-specific 
> adaptations rather than climatic forcing. Shifts leading to larger 
> body sizes occurred in most aquatic and semi-aquatic groups. This, 
> combined with extinctions of groups occupying smaller body size 
> regimes (particularly during the Late Cretaceous and Cenozoic), gave 
> rise to the upward-shifted body size distribution of extant 
> crocodylomorphs compared to their smaller-bodied terrestrial ancestors.
>
>
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