Alien animals of any sort, by definition, cannot (in the phylogenetic sense) be tetrapods. To be sure, they can’t really be animals either, given that they’re not part of the Terran clade Animalia. But details details. I will discuss books and projects relating to tetrapod-like aliens if I deem them sufficiently worthy, and such it is with the book I’m going to discuss here… For some years now, author, artist and retired neurology professor Gert van Dijk has been running and compiling the very..