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