You must be at least Level 47 to open or receive this quest. See Elyos 47 for more quests that can be started at this same level.
† All quests reward XP but NCSoft is fond of changing the amounts frequently, to the point that it is simply not wise to try to track the exact amount in a wiki.
Quest Notes
The fossils are all in the upper Tigric camp (starting around 2901.1, 1096.3, 112.2 ). Circle around the outside of the huts and you can get all five with very few kills needed.