Schleich NothosaurusSchleich Nothosaurus Schleich model: 15031 Product Dimensions: 17. 5 x 6. 8 x 2. 2 cm Age: 3 years and up Released 2022; Retired 2025 In the middle of the Triassic Period, the seas were home to a family of reptiles known as nothosaurs. A bit like todays seals, the nothosaurus were fish hunters that evolved from land animals. They weren't fully adapted to life in water and some had slawed feet, which is a sign they could still walk on land. While they