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