Posted: Dec 03, 2019 1:13 am
by SkyMutt
AlanF wrote:I'm pretty sure I've identified it: Kayentatherium.

From Donald Prothero's Evolution book.

I'd say you're correct. From page 28 of the PDF of "The Postcranial Skeleton of Kayentatherium wellesi from the Lower Jurassic Kayenta Formation of Arizona and the Phylogenetic Significance of Postcranial Features in Tritylodontid Cynodonts" (page 141 in original), this detail, reversed from the published image: