It is an Alamosaurus

such as a sigmoid curve in the neck

It is named after Leviathan

the armored giant with plates and spines

allowing it to be held straight and possibly used as a counterweight during locomotion

Elasmotherium sibiricum Tylosaurus Proriger It is an AlamosaurusElasmotherium sibiricum, commonly known as the Siberian unicorn rhinoceros, was a species of rhinoceros that lived during the Pleistocene, approximately 2. 6 million to 29,000 years ago. Below is an overview of this fascinating creature: Morphology: The most distinctive feature of Elasmotherium sibiricum was its unique large horn on its forehead, which has earned it the nickname "unicorn rhinoceros." Although it is called a unicorn, its horn was not