Scientists have found a partial skeleton of the world's most primitive four-legged creature— a water-dwelling tetrapod—in Latvia, AP reports. The four-foot-long fish eater resembles a small alligator and likely belongs to an extinct offshoot of the four-legged family tree. The fossil is 365 million years old—predating dinosaurs by 100 million years.
"I imagine this is an animal that could haul itself over sand banks without any difficulty. Maybe it's poking around in semi-tidal creeks picking up fish that got stranded," speculated one scientist.