In Depth Ctenospondylus was one of the larger sail-backed synapsids. So far only known from the central united states it is probable though thatCtenospondylus had a wider distribution, at least in North America, though the lack of known fossil bearing rock formations from the Permian is limited to just a few areas. Ctenospondylus is classed … Read more
In Depth Bathygnathus is a little known genus of pelycosaur that lived in Canada during the Early Permian. Though only known from partial remains, studies of these fossils have led to the suggestion that Bathygnathus would have been similar to pelycosaurs like Dimetrodon. Further Reading - [Fragment of a jaw of an extinct saurian animal]. … Read more
In Depth Ctenorhachis is a genus of sphenacodont that lived in North America during the Permian. Although the skull of Ctenorhachis is unknown, the available fossil material for the genus show that Ctenorhachis was a sphenacodontid. So far all members of the Sphenacodontidae were predators in life, so by extension we can conclude that Ctenorhachis … Read more