A new species of Cretaceous acanthomorph from Canada

For being one of the largest groups of vertebrates, and having one of the richer fossil records among organisms, the relationships of fishes are still hotly debated. Humongous datasets are being compiled that involve molecular (both nuclear and mitochondrial) data, compared and contrasted with thorough morphological analyses. (I’m not going to get into all of it here, simply because of its sheer complexity.) —> Read More