Prehistoric times were pretty strange, to put it lightly, and the same could be said of the species from that period. Here ...

This prehistoric creature was a stem-group ... Reptiles evolved as the first land-dwelling animals around the middle of the period, and sharks and bony fishes replaced the jawless agnathans ...

Here are just a few groups of ancient animals that live on: And, here are the animals that get my vote for “most prehistoric-looking ... and enduring groups of land-dwelling arthropods.

The field of paleo-inspired robotics is opening up a new way to turn back time and studying prehistoric animals.

In prehistoric North America, the short-faced bear (Arctodus simus) ruled the land. It was one of the biggest ... there was great excitement over what extinct animal it could have belonged to.

The very first “whales” were land animals that walked on four legs — small deer-like creatures, about the size of a house cat, that ate plants and waded around in prehistoric lagoons over 50 ...

"Instead of consuming the meat of land-based animals, plants, or even a little salmon, like contemporary brown bears, these bears appear to have lived almost exclusively on seafood." The sea ...