cloudair-paleontology:Thrinaxodon, a burrowing cynodont . Trassic. South Africa. These t
cloudair-paleontology:Thrinaxodon, a burrowing cynodont . Trassic. South Africa. These two young Thrinaxodon probably died when the burrow in which they were hibernating collapsed ( Iziko South African Museum, Cape Town, South Africa) A Triassic primitive ancestor of mammals -- source link
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