Collecta Prehistoric Life Spinosaurus with Moving Jaw Deluxe 1:40 #88737 Spinosaurus was a bipedal with strong arms. It carried a distinctive sail on its back created by long extensions to its vertebrae. Each prehistoric sculpture has been approved by Anthony Beeson, a well respected expert in palaeoimagery who is also an art librarian, archaelogist and collector, based in the city of Bristol, England. Working with experts from across the globe, Collecta hand-painted figurines are all factually accurate and paleontologist-approved, so little ones really get to learn while they play. All CollectA products are rigorously tested to ensure they meet the highest safety standards.