This early tetrapod from the side of the road in Clinton ... that early limbed animals were actually pretty much fish with limbs. NS: There's another important evolutionary point here.

Lobe-finned fishes like coelacanths are more closely related to tetrapods than to ray-finned fishes (Actinopterygii), which make up about 99% of the known fish species. Tetrapods include birds, ...

The transition from these lobe-fins to the earliest tetrapods -- four-legged animals that walked on land -- has long been of intense interest to biologists. Many of the most telling fossils have ...

Because all later land vertebrates, or tetrapods, can be traced back to a fish. This encompasses not only amphibians, reptiles and birds, but also mammals—humans included. Yet one mystery ...