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License established 9/9/2012, while previously I was using a CC-BY-ND license instead.
Author Archives: Jaime A. Headden
Taxonomy — the art, or perhaps slightly artistic “science” by which people name things — is not an unfamiliar subject around this blog. So you will notice a few things should you click on that tag at the bottom. For … Continue reading
Not that long ago, a new fossil locality was discovered in Kulinda, Chita (Chininskaya Oblast), Russia, and it has the potential to confirm a recent hypothesis: that the filamentous integument of many theropods, found apparently in some ceratopsian dinosaurs, may … Continue reading
The Saga Continues… Today marks the publication of a new paper describing spinosaurine material from the Kem Kem of Morocco, specifically a set of quadrate bones, the upper portion of the original tetrapod jaw joint. It’s freely available in PLoS … Continue reading
There’s no shortage of fossil archosaurs now named solely from teeth, or partial jaw bones but diagnosed or described primarily on teeth. Last I checked, this number was well over 150. Most recently, some of these used to be dinosaurs, … Continue reading
This past week I went to see The Good Dinosaur. As a fan of previous Pixar films, I was excited around the time of their last free-from-Disney film, Brave, to view this film, which they’d been developing for since before … Continue reading
In my past comments regarding the strange theropod dinosaur Spinosaurus aegyptiacus, a small storm began to brew as to how, and where the vertebrae fit in a series. An aborted project to revise this series on the basis of comparison … Continue reading
The sweaty summers of the mid 1970s give way to cooler climes indoors, as a block of sandstone pulled from the red-and-orange rocks of the Djadokhta Formation in Mongolia’s southern Gobi Desert finds itself in Ulaanbator, the nation’s capital. Initially … Continue reading