The Economic Times

315-million-year-old fossil discovery in Canada suggests Tetrapod may be earliest plant-eater

A new fossil discovery in Cape Breton Island, Nova Scotia, is changing scientific views on early plant-eating animals. Named Tyrannoroter heberti, this creature lived about 315 million years ago. It possessed unique teeth for grinding tough vegetation. This finding suggests that four-legged animals started eating plants earlier than previously thought.