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A PAPER PUBLISHED recently in Nature details the discovery of a common ancestor of salamanders and frogs, Gerobatrachus hottoni, by Anderson and coworkers. This creature had a salamander-like build, but has a broadened skull like frogs. A variety of traits were studied to determine this organism’s relationships, such as the teeth, various skull bones, presacral spine, and otic notch. Its position in the early Permian places the frog/salamander divergence in the Middle Permian, about 270-260 million years ago. Of course this find is interesting, but I was perhaps more interested by the phylogenetic tree that they composed including this new species.
SINCE I STARTED this blog I have received an increasing number of hits from search engines. Unsurprisingly, one of the topics funneling people this way is the Nimravidae. My entry on the Dinictis skull replica found at Bone Clones has received the most hits overall since I started this blog. Unfortunately, there is not really much information about nimravids available without some digging, and very little on the open web. So here I will pull together everything I can currently get my hands on!