👉 Didymocarpeae, also known as didymocarps or didymocarpalids, are a group of extinct marine reptiles that lived in the Late Cretaceous period (around 65-42 million years ago) on the continental margin of the North American continent. These creatures were characterized by their elongated bodies and large jaws, which allowed them to grasp onto rocks with great force. Didymocarpeae are known for their unique anatomy,
