Pterosaurs to Birds: Additional fossils

Friday, December 3, 2010

Additional fossils

Here are some additional fossils.
http://www.oceansofkansas.com/Pteranodon.html
Notice the pteroid bone. In both pictures the pteroid bone is shown pointing back toward the body. It is more likely it pointed away from the body.

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Here is a summary of the basic ideas of this site:

Birds developed in a lineage from short bony tailed pterosaurs to short bony tailed scansoriopterygids that developed into basal pygostylia that developed into modern birds. A side lineage earlier developed from the long tailed pterosaurs to long bony tailed scansoriopterygids. That lineage went extinct. The category called coelurosaur dinosaurs includes only actual dinosaurs (eg. tyrannosaurs). It does not include birds. The fossil record supports the pterosaur-to-bird theory. The fossil record does not support the dinosaur-to-bird theory.

Pterosaurs to Birds

Friday, December 3, 2010

Additional fossils

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