Here is the full list of all 46 Fossil Hunters trophies - there are 36 bronze, 6 silver, 3 gold and 1 platinum.
Collect all other trophies!
Collect all Abyss journal entries.
Collect all journal entries.
Use 20 lamps.
Use 20 supports.
Complete all of The Collector's requests.
Finish the game.
Pick up an idol from the treasure hoard.
Unlock all schematic doors.
Drop a golden idol in a pit.
Collect all golden idols.
Use 20 bridges.
Collect all Magma Chamber journal entries.
Build 10 huge skeletons.
Make 100 skeletons.
Pick up the Sammy rock and bring it to the elevator.
Unlock the dynamite shopkeep.
Build 5 colossal skeletons.
Die in a pit 100 times.
Unlock the bridge shopkeep.
Collect all destruction trophies.
Have a fossil smashed by a lavamander.
Collect all Mushroom Caverns journal entries.
Build 15 big skeletons.
Have all three power-ups active at once.
Unlock the support shopkeep.
Submit 50 clean & pristine skeletons.
Collect all Digsite journal entries.
Make 50 skeletons.
Have a fossil covered in moss.
Submit a skeleton with every piece damaged.
Collect a golden idol.
Use 20 dynamite barrels.
Unlock the lamp shopkeep.
Transport 12 or more items with the elevator.
Have a fossil eaten by a crawler.
Drop 50 fossils in pits.
Make 10 skeletons.
Prevent death with a dodge roll.
Unlock a schematic door.
Have a fossil smashed by a cave-in.
Have all of your friends drop out in a multiplayer game.
Play as each of the Fossil Hunters.
Leap the maximum distance.
Rearrange the furniture in the lab.
Make a skeleton.