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avatar_Halichoeres

A new phylogeny of ornithischian dinosaurs

Started by Halichoeres, July 20, 2020, 05:20:14 PM

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Halichoeres

July 20, 2020, 05:20:14 PM
A new study estimates the phylogeny of cerapods and finds that heterodontosaurids are actually ancestral to pachycephalosaurs. I don't know how well this will hold up; I think it's pretty likely that heterodontosaurs aren't monophyletic, but there's sparse enough sampling in ceratopsians and the outgroup taxa that I think some of the authors' putative synapomorphies should be regarded with a bit of skepticism.

The consensus tree with Ornithopoda collapsed:


Paper (paywalled, but pm me for pdf): https://www.tandfonline.com/doi/abs/10.1080/08912963.2020.1793979
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