from The Century Dictionary.
- noun An animal of the genus Brontatherium.
Sorry, no etymologies found.
(And in North American megafauna, a fantasy art image of an arctic war brontothere) I want one.
The Age of Mammals uses a mounted saber-toothed cat, a giant jaguar, a brontothere or thunder beast that resembles a dinosaur more than a mammal to help tell its evolution story.
The dead brontothere shown would have been about the size of a modern rhinoceros.
The team used an analysis of carbon and oxygen isotopes extracted from the fossil teeth of three varieties of mammals from Ellesmere Island -- a hippo-like, semi-aquatic creature known as Coryphodon, a second, smaller ancestor of today's tapirs and a third rhino-like mammal known as brontothere.