👉 The term "oxyrhynchid" refers to a type of fossilized remains that is characterized by its presence of a central, cylindrical cavity or chamber. These caves are believed to have been formed during the Pleistocene epoch (around 20 million years ago) and were once filled with water from rivers or lakes. Oxyrhynchids are believed to have evolved from earlier forms of aquatic animals that lived in shallow pools or lakes. They are characterized by their large, cylindrical bones,
