Pterosaurs to Birds

This site presents the idea that birds developed from flying pterosaurs. This is a credible alternative to the current, mainstream idea that birds developed from land-based dinosaurs.

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-...

2 comments:

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...

1 comment:

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...

3 comments:

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:

Friday, March 17, 2017

Support indices do not support the dino to bird theory

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This is a summary and continuation of the material of the Jan 17 post . It is widely believed that the dinosaur to bird theory is well sup...

4 comments:

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