Monday, October 2, 2017

Beginning at the same time

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Paravians and the type of dinosaur they are  purported  to have evolved from  basal Tyrannoraptora , appear in the fossil record  beginning ...
Friday, August 25, 2017

Feathers

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https://books.google.co.uk/books?id=KG86AgWwFEUC&pg=PA454&dq=patagial&hl=en&sa=X&ei=AzRBVendC9DLaOehgMgC&ved=0CCoQ6...
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Sunday, July 23, 2017

The digits transition

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I am working with the following hypothesis of the transition of fingers and phalanges:        I  II  III  IV V P-2-3-4-5-x Pterosaur x-x-...
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Wednesday, June 7, 2017

Tyrannosauroid integument reveals conflicting patterns of gigantism and feather evolution

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http://rsbl.royalsocietypublishing.org/content/13/6/20170092 Tyrannosauroid integument reveals conflicting patterns of gigantism and feat...
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Friday, May 26, 2017

The Dinosaur to Bird Hypothesis Lacks Statistical Support

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Cladograms which are  based on bootstrap/jackknife,  show that there is a large polytomy at the base of the coelurosaur clade. This is becau...
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Wednesday, April 26, 2017

Secondarily flightless paravians

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https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4476167/#supplemental-informationtitle  (2015) Cau et al Furthermore, phylogenetic analyses ...
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Thursday, April 20, 2017

"An abnormally rapid period of morphological evolution"

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We have seen that the statistical support values do not support the dinosaur to bird hypothesis. See earlier posts . Consequently we are ju...
3 comments: