| − | '''''Brontotherium''''' (''bronto''=thunder, ''therium''=beast) was an ancient mammal. It lived during the Eocene and during parts of the Oligocene Epochs, with these being part of the Cenozoic Era. It is one of the more well-known and rather sizeable mammals from the Tertiary Period.<ref>http://www.associatedcontent.com/article/169616/brontotherium_eocene_herbivore.html?cat=58</ref> | + | '''''Brontotherium''''' (''bronto''=thunder, ''therium''=beast) was an ancient mammal. Evolutionists believe it lived during the Eocene and during parts of the Oligocene Epochs, with these being part of the Cenozoic Era. It is one of the more well-known and rather sizeable mammals from the Tertiary Period.<ref>http://www.associatedcontent.com/article/169616/brontotherium_eocene_herbivore.html?cat=58</ref> |