Sunday, January 13, 2013

Odontognathae

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Here is reference material for Odontognathae . These are primitive birds ( Hesperornithes and  Ichthyornithes ),  which I suggest are ancest...
1 comment:
Tuesday, January 1, 2013

Neural flight-control system

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Interesting passage: http://www.oucom.ohiou.edu/dbms-witmer/downloads/2004_witmer_archaeopteryx_n&v.pdf "Researchers will now ...
Thursday, December 27, 2012

Alvarezsauridae (2)

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Let's analyze this a bit more: http://www.pnas.org/content/108/6/2338.full "Alvarezsauroids were originally considered to be a ...
1 comment:
Wednesday, December 26, 2012

Alvarezsauridae (1)

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The dino to bird folks incorrectly consider creatures like Alvarezsaurids to be dinosaurs.  However, Alvarezsaurids were secondarily flight...
12 comments:
Friday, December 21, 2012

Ghost lineages problem

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The mainstream opinion is that birds developed from dinosaurs. But in the  cladogram  of that, all the sister taxa require ghost lineages. ...

No connection between dinosaurs and birds

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http://en.wikipedia.org/wiki/Maniraptora Unlike most other  saurischian  dinosaurs, which have pubic bones that point forward, several gro...
20 comments:

Multiple filaments arising from the edge of a membranous structure

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I noticed something interesting in the list (see earlier post): Quote: Stage 5. Multiple filaments arising from the edge of a membrano...
4 comments:

Feathers - no connection between the dinosaurs and the birds.

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Consider this chart and the text that accompanies it from here: http://en.wikipedia.org/wiki/Feather#Evolutionary_stages Click to enlarge...
Tuesday, December 18, 2012

Feathers extend where the finger used to extend

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Confuciusornis: When looking at this type of picture notice that the feathers in the wing's leading edge exhibit the exact same fo...
2 comments:
Friday, December 14, 2012

Sternum

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Here is some material on the sternum: DINOSAURS Tyrannosaurs - sternum not suitable for flight Compsognathus -sternum not suitable for f...
7 comments:
Thursday, December 13, 2012

Diving Pterosaurs?

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http://en.wikipedia.org/wiki/Pteranodon "Traditionally, most researchers have suggested that Pteranodon would have taken fish by dip...
1 comment:
Tuesday, December 11, 2012

In the same place

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What would we expect if pterosaurs developed from birds? Well one thing is that we would find pterosaurs in the same place as birds. If we ...
Wednesday, December 5, 2012

Another pterosaur to bird theorist

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Here is a summary of the pterosaur to bird ideas of Larry Febo. They are startlingly similar to what I have been proposing. "NAME ...