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, ...

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 ...

Broussard, D., Daeschler, T., Trop, J.M., 2018, Detrital chronostratigraphic constraints on upper Devonian tetrapod and fish assemblages in Catskill Formation sites of north-central Pennsylvania: ...