toy spinosaurus dinosaurs on a blue background

spinosaurus dinosaur prehistoric carnivore cretaceous north africa theropod aquatic sail bipedal quadrupedal predator large long narrow conical teeth jaws snout water piscivorous fisheater vertebrate extinct fossil excavation discovery paleontology morphology anatomy evolution paleoecology behavior locomotion reproduction growth development taxonomy classification scientific name research bone skeleton sailback adaptation adaptations animalia period animal predatory dinosaurs african fauna toy isolated blue background background