User blog comment:Kogath/Monster Hunter X Discussion/@comment-25165082-20150606170524/@comment-26421638-20150606173920

Carnotaur is a Brute Wyvern and Tetsucabra us an Amphibian...

Carnotaur doesn't have Tetsu's large fangs and it's looks too much different than Tetsu...

Well, technically Najarala and Nargacuga have a similar Head, but doesn't mean that they are closed relative... ^_~