Here is the full list of all 49 Dino Run DX achievements.
All Bronze Trophies
All Silver Trophies
All Gold Trophies
50 Dino Saved
Beat Hard Halloween Hellrun
Beat Insane Halloween Hellrun
Beat Medium Halloween Hellrun
Complete Medium Planet D
Complete Hard Planet D
Complete Hard Challenge
100 Fish Eaten
60 Second Doom Surf
30 Second Doom Surf
2000 Eggs Saved
Complete Insane Planet D
All Super Eggs Saved
500 Lizards Eaten
500 Runners Eaten
Complete Insane Challenge
All Medium Speedruns
All Hard Speedruns
All Insane Speedruns
50 Fish Eaten
250 Lizards Eaten
1000 Eggs Saved
Found The Little Green Dude
25 Fish Eaten
25 Dino Saved
250 Runners Eaten
50 Worms Slurped
50 Birds Devoured
3 Second Boulder Ride
6 Second Boulder Ride
10 Second Boulder Ride
4X Dactyl Chain
10 Second Doom Surf
10 Dino Saved
100 Lizards Eaten
25 Birds Devoured
5 Dino Saved
25 Worms Slurped
250 Eggs Saved
2X Dactyl Chain
3X Dactyl Chain
100 Runners Eaten
10 Worms Slurped
Complete Medium Challenge
1 Dino Saved
10 Birds Devoured