Category:Sphenacodontidae

Biology portal

Here is a list of articles in the Sphenacodontidae category of the Biology portal. Articles relating to the Sphenacodontidae, an extinct family of small to large, advanced, carnivorous, Late Pennsylvanian to middle Permian pelycosaurs. Primitive forms were generally small (60 cm to 1 meter), but during the later part of the early Permian these animals grew progressively larger (up to 3 meters or more), to become the top predators of their environments.