This one goes out to Ben Hillier, who both wins the coveted Reader of the Month award* and shall be treated to various non-dinosaurs from 1977’s The World of Dinosaurs (see parts one and two). As befits the book’s title, here are a couple of animals from, er, the Permian. That’s right – it’s everyone’s favourite synapsid menace Dimetrodon, alongside Diadectes, which was certainly a tetrapod. Yes. As is tradition, Dimetrodon is shown inhabiting an arid, upland landscape, quite unlike…
