hallia
Hallia is a genus of extinct marine reptiles belonging to the order Plesiosauria. These creatures lived during the Early Jurassic period, approximately 200 to 175 million years ago. Hallia fossils have been found in Europe, primarily in Germany. They are characterized by their relatively small size compared to some other plesiosaurs, with estimated lengths of around 3 meters. Their anatomy suggests they were likely active predators, swimming in the ancient seas that covered parts of Europe during the Jurassic.
The genus Hallia was first described in the early 20th century based on fossil remains discovered in