Last updated: 3 august, 2010 - 11:09 GMT

Did the Triceratops dinosaur ever really exist?

Computer generated image of two Triceratops locked in combat

Triceratops' distinctive look made it a favourite among some dinosaur fans

Research published in the Journal of Paleontology says the three-horned dinosaur, Triceratops, never actually existed as a species, but was in fact the juvenile version of a creature called Torosaurus.

Dr Jack Horner, a palaeontologist at the Museum of the Rockies in Montana, was part of the team that carried out the research.

To play this content JavaScript must be turned on and the latest Flash player installed.

Play in either Real OR Windows Media players

First broadcast 3 August 2010

related bbc links

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.