Callibrachion and Datheosaurus, Two Historical and Previously Mistaken Basal Caseasaurian Synapsids from Europe
- Environmental ScienceActa Palaeontologica Polonica
New observations on Datheosaurus and Callibrachion provide new insights into the early diversification of caseasaurs, reflecting an evolutionary stage that lacks spatulate teeth and broadened phalanges that are typical for other caseid species.
The Sphenacodontid Synapsid Neosaurus cynodus, and Related Material, from the Permo-Carboniferous of France
- Environmental Science, Geography
Sphenacodontid synapsids were major components of early Permian ecosystems. Despite their abundance in the North American part of Pangaea, they are much rarer in Europe. Among the few described…
Morphology of the palate and braincase of Dimetrodon milleri
Dimetrodon milleri is found to differ from D. limbatus in the lack of teeth on the ectopterygoids, the shape of the basal process of the epipterygoid, and the anterior extent of the palatine and pteryGoid.