User blog comment:Plexioth- xD/Monster Hunter 3 Ultimate/@comment-58.168.27.3-20121219232250/@comment-4212769-20121220113741

In the comments he writes:

"The Pelagus type is just for the monkey-like monsters. The bear-like ones are all Fanged Beasts and the Zinogre is a one-of-a-kind Fanged Wyvern. This is all going by the in-game descriptions, btw."

So yeah, they're Fanged Beasts...