CollectA Prehistoric Life Metriacanthosaurus Dinosaur Toy Figure - Paleontologist Approved Hand Painted Model FUN FACTS: The Metriacanthosaurus was related to the Chinese Yangchuanosaurus. Metriacanthosaurus, meaning "moderately-spined lizard" is from the upper Oxford Clay of England, dating to the mid-Jurassic Period, about 160 million years ago PALEONTOLOGIST APPROVED: Working with experts from across the globe, Collecta hand-painted figurines are all factually accurate and paleontologist-approved, so little ones get to learn while they play. AUTHENTICITY: Each prehistoric sculpture has been approved by Anthony Beeson, a well respected expert in palaeoimagery who is also an art librarian, archaeologist and collector, based in the city of Bristol, England. SAFETY: All CollectA products are individually hand crafted with only the finest materials and rigorously tested to ensure they meet the highest safety standards. PRODUCT SPECS: CollectA's Metriacanthosaurus measures 6" L x 3" H and is realistic and lifelike in every detail with longer dorsal spines than that may have formed a slight ridge on its back.