That would be Mew.
In the Sinnoh Pokedex, Pokemon #151 is Manaphy, but in the National Pokedex it is Mew.
151. The 151st is Manaphy, an event-only legendary and thus is not required to be seen to get the National Pokedex. The 149th, Dialga, can be seen in a book in Celestic Town.
Pokemon #80 in Sinnoh pokedex is Barboach.
You get the sinnoh one basically after starting the game, the you get the national pokedex when you´ve completed the sinnoh pokedex (by seeing all the Pokemon in sinnoh)
The sinnoh pokedex can hold up to 150 pokemon.
www.serebii.net they have a pokedex
there are 210 Pokemon in the sinnoh dex
in sinnoh 210
vfrt in the pokedex for sinnoh #111 in the pokedex is a garchomp
Hello Pokemon lovers!The 114th Pokemon on the Sinnoh Pokedex is unown, which you can find in the Solaceon Ruins.I hope I helped. Good luck completing the Sinnoh Pokedex.\~The Pokemon Know-It-All~
Unown is the Pokemon that comes after Snorlax in the Sinnoh Pokedex.
you get the sinnoh pokedex from professor Rowan afteyou battle the starly with one of the Pokemon in the bag and say yes to the professor and you get the Pokemon and the pokedex.