Here is the full list of all 28 Dino Frontier trophies - there are 8 bronze, 13 silver, 6 gold and 1 platinum.
Collect all the trophies
Defeat Bandit King
Train Apex T-Rex
Level up a settler to Level 10
Stuff your face the first time
All buildings at max level
Survive 20 Waves in Mine
Mayor level 10
Train Apex Steg
Train Apex Trike
Let a settler die
Train Apex Raptor
Assign a Sheriff
Kill a T-Rex
Survive 10 waves in Mine
Find all the lock boxes
Train Apex Proto
Train Apex Brachi
Harvest plants in Mayor's Retreat
Train Apex Para
Recover stolen goods
Train Apex Anky
Build a Caravan
Throw a settler off the table
Ride a dino for the first time
Train Apex Galli
Bury a resource under table
Build a Saloon