Dunkleosteus means "Dunkles Bone" and is named after paleontologist David Dunkle. It was a big predatory pre-historic fish that lived during the Late Devonian period (around 380-360 million years ago).Dunkleosteus were 30ft long and weighed 3-4 tons. They had a hard armor plating, a bulging head, and big, toothless jaws. Hand-painted dinosaur toy. Designed by experts, CollectA dinosaur models are factually accurate and true to life.Dunkleosteus Deluxe 1:40 Scale - product features: Dunkleosteus 1:40 scale 28cm x 6cm Designed by experts to be factually accurate