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