When you’re a small pre-mammalian creature, sometimes the only way to protect yourself against fearsome predators like saber-toothed carnivores is to turn your saliva into a venomous cocktail. That is exactly what a therocephalian therapsid called Euchambersia mirabilis did about 257 million years ago (Permian period) in what is now …
Read More »Proto-Mammals were First Terrestrial Vertebrates to Produce Venom, Paleontologists Say
