Tag Archives: Extinction

Breeding Young to Survive: Growth Patterns in Therapsids during Earth’s Biggest Extinction Event

When you think of mass extinction events, you often picture the events themselves: either a single, massive event that wreaks havoc on the environment and its organisms, or a longer-term series of events that changes the structure of ecosystems and the diversity of organisms that inhabit those habitats. Either way, catastrophe. There are the famousContinue reading “Breeding Young to Survive: Growth Patterns in Therapsids during Earth’s Biggest Extinction Event”

Gone Fishin’ in the Cretaceous: A New Species of 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 ofContinue reading “Gone Fishin’ in the Cretaceous: A New Species of Acanthomorph from Canada”