Monthly Archives: June 2016

Work on titanosaurs (aka phylogeny #2)

Now, from what I had in my last post I expanded the matrix coding for 50 taxa instead of 42, and the tree definitely changed. Unfortunately, I forgot to add the taxa names in the first portion so instead they … Continue reading

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Phylogeny of Titanosauria #1

I am currently working on coding any and all titanosaurs into the matrix of Gonzalez et al (2016), describing Notocolossus. Just as a preliminary test, I have added a few new taxa, including Argyrosaurus, Hypselosaurus, Quetecsaurus and Puertasaurus. The results is shown below, … Continue reading

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Is Troodon really Troodon?

Troodon formosus is one of the first dinosaurs from North America ever named. Leidy (1856) described it for a single tooth with denticles on both the anterior and posterior carina. As of now, Troodon material includes the holotype tooth, the foot and caudal … Continue reading

Posted in Anatomy, Lumping, Theropoda | Leave a comment