The Author
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Tag Archives: Jaws
Oviraptorid Jaw Muscles Described, Part 4
Wait, you thought we were done? This is a short post, following parts one, two and three. The above image attempts to describe lines of action for major jaw muscles and directions of force (arrows). Jaw protraction and retraction does … Continue reading
Posted in Biomechanics, Morphometrics, Paleontology, Reconstruction
Tagged Jaws, Oviraptorosaurs
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Oviraptorid Jaw Muscles Described, Part 3
In the previous two posts (part 1 here, part 2 here), I discussed the shapes and sizes of the muscles and their origins and insertions of the oviraptorid skull. I deigned to provide the basis of the muscles mapped to … Continue reading
Posted in Biology, Biomechanics, Paleobiology, Paleontology
Tagged Beaks, Jaws, Oviraptorids
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The Cookie Maker
I produced this image above intended to eventually add it to my growing list of “Incredulous Teeth” series of posts, but never fully finished that. The impetus faltered and relative brevity of research on the anatomy of the taxon hampered … Continue reading
So, What If Ornithischians Did Have “Cheeks”?
I will not go into too much detail, because I want to work on the analytical part of this more in depth. I started my inquiry into the structure of jaw anatomy in ornithischians roughly about the same time that … Continue reading
Pegomastax and the “Echinodonts”
In my last post, I mentioned Sereno’s monster — a 225-page monograph on Heterodontosauridae — and some of its variant findings. I am especially interested in the features discussed about the “echinodonts,” a small grouping of probably plesiomorphically small, “simple-toothed” … Continue reading
Posted in Art, Paleontology, Reconstruction, Science Reporting
Tagged Heterodontosaurs, Jaws, Teeth
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Sereno’s Monster
Dr. Paul Sereno hasn’t published much in the last few years. Apparently the reason is because he just finished a monograph on Heterodontosauridae … a real monster at 225 pages. I haven’t the time to review this yet, but there’s … Continue reading
Posted in Paleontology, Science Reporting, Terminology
Tagged Heterodontosaurs, Jaws, Nomenclature, Teeth
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More Bird Jaws…
A quick post, on what I would prefer to be a “big post” day, due to focus on my oviraptorid study and other projects (but still about jaws and stuff). This one is also about jaws — surprise! — in … Continue reading
Mandibular Sections, Hypothesis
Continuing with some older hypotheses I’ve had, this time I will show off something I was thinking of back in early 2000s, but never got around to describing, and have since realized (it didn’t take that long) that this is … Continue reading
Oviraptorids and Cranial Morphometrics
I’ve been lax in feeding the biomechanics demon [n1] with tasty brain food, and extremely lax in talking about a paper that was published quite some time ago, but is still quite interesting. A new paper from the author (on … Continue reading
Posted in Biomechanics, Morphometrics, Paleobiology, Paleontology, Science Reporting
Tagged Jaws, Oviraptorids, Oviraptorosaurs
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Jaime A. Headden
