Definition: Vitreledonellidae is a group consisting of five species of extinct marine reptiles, including the prehistoric genus "Vitreledonella." These creatures lived during the Late Triassic period, approximately 65 million years ago. They were known for their unique and distinctive appearance, including their large eyes, long snout, and powerful jaws that could reach lengths up to 10 feet (3 meters) in length. The genus "Vitreledonella" was one of the