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