3 meter long and had a long and slender body shape

Despite its menacing appearance

Kentrosaurus

Outstanding features of Livyatan melvillei:Impressive size: Livyatan was one of the largest known marine predators

Elasmosaurus had a streamlined body

Pakicetus inachus Scale:1:20 3 meter long and hadPakicetus inachus is a species of prehistoric cetacean that lived approximately 50 million years ago, during the early Eocene period. This ancient marine mammal is considered one of the first ancestors of modern cetaceans, which includes whales and dolphins. Pakicetus inachus was an animal of moderate size, with an elongated body and both terrestrial and aquatic adaptations. Although it was not completely aquatic like current whales, it had already