WWM - The Great Dying

The pentultimate episode of my own WWD. The Permian is the only age which I had to dedicate three settings to. Most people would simply split the Permian into Early Permian with Dimetrodon and Late Permian with gorgonopsids, but then they are missing out on the dinocephalians, which are so odd synapsids I think they deserve a day in the limelight.

Middle Permian South Africa, 265 million years ago (Karoo Supergroup, Beaufort Group, Tapinocephalus Assemblage Zone). The dinocephalians unfortunately get ignored a lot because they are from the Middle Permian, which means they are too late to be featured alongside Dimetrodon and too early to witness the Permian mass extinction. 
Anteosaurus magnificens: Measuring 5 meters long, this dinocephalian is one of the biggest, if not the biggest, terrestrial predators  of the entire Permian. It has huge sharp teeth, powerful jaws and bony bosses on its skull for head-butting. Pose based on Dmitry Bogdanov´s Anteosaurus reconstruction. 
Tapinocephalus atherstonei: Guess why the Tapinocephalus Assemblage Zone is called the Tapinocephalus Assemblage Zone. This 3 meter long dinocephalian is the most common herbivore of this region and has a massive bony skull for headbutting. Pose based slightly on Dmitry Bogdanov´s reconstruction. 
Jonkeria truculenta: This 3.5 meter long dinocephalian has an elongated snout with large canines but rather weak teeth, so I will portray it as an omnivore. It feeds on plants, small animals and carrion. Body should be longer and more barrel-shaped than what I drew.
Eoarctops vanderbyli: A 50 centimeter long predator of small prey who will foreshadow the rise of the gorgonopsians in the Late Permian. Colours based on a genet and pose based on ´s reconstruction.
Bradysaurus baini: Because I didn´t want this cast to be nothing but big fanged synapsids, I have included this 2.5 meter long pareiasaur. It´s also another attept at foreshadowing the larger relatives of the Late Permian. Pose based on Karkemish´s Bradysaurus on Wikipedia. 

Late Permian Russia, 252 million years ago. Once again, there is no exact formation, this is just a hodgepodge of Late Permian animals from Russia. I didn´t want to have too many settings in South Africa, which is why I chose Russia for this one. Of course this episode would conclude with the great Permian mass extinction.
Inostrancevia alexandri: Probably the most popular gorgonopsid, and with a skull about 60 centimeters long and a maximum body length of 3.5 meters one of the largest. Now there are several gorgonopsians that are supposedly larger, but they are all known just from fragments which make their sizes very difficult to estimate. At least Inostrancevia is known from almost complete skeletons. Pose based on this skeletal reconstruction: museumvictoria.com.au/pages/87…
Megawhaitsia patrichae: When I chose this setting, I wanted to feature another big predator alongside Inostrancevia. At first I had one of those supposedly bigger gorgonopsids in mind, but because gorgonopsids honestly look all the same to me, I went with this short-faced therocephalian. Its skull is estimated to have been 40-50 centimeters long, which would make its body length probably around 3 meters. It seems to have been more heavily built, though, so the competition between it and Inostrancevia is probably comparable to a lion versus a bear.
Scutosaurus karpinskii: This 3 meter long armored herbivore is the most popular pareiasaur, so again it felt like a must-have. Pose based on this skeletal reconstruction: palaeo.gly.bris.ac.uk/palaeofi…
Vivaxosaurus trautscholdi: I just wanted to feature Dicynodon, but unfortunately I had to discover that all Russian species have been sunk into the genus Vivaxosaurus. Pose based on Dmitry Bogdanov´s Vivaxosaurus reconstruction on Wikipedia.
Archosaurus rossicus: This 2 meter long semi-aquatic carnivore is supposed to foreshadow the rise of archosaurs in the next episode (and furthermore, the whole WWD documentary that follows this one chronologically). Pose based on this skeletal reconstruction of a relative: www.paleofile.com/imges/Archos…