👉 Palaeoheterodonta is a genus in the family Cynodontidae that includes the extinct species "P. pterocauda", which was found in the Late Triassic of South Africa and is known for its large, elongated body shape with a short tail. This type of fossil has been extensively studied for its unique anatomy, including its long neck and powerful jaws, which were crucial for the survival of certain species during this time period.