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