The Sinnoh Dex, only housing 151 Pokémon, it does not include all of the New Pokémon that have been discovered. Here is the list of the Pokémon in Sinnoh Dex Order
Sinnoh No. Selection Pic Name Type 1 Type 2
#001 Turtwig  
#002 Grotle  
#003 Torterra
#004 Chimchar  
#005 Monferno
#006 Infernape
#007 Piplup  
#008 Prinplup  
#009 Empoleon
#010 Starly
#011 Staravia
#012 Staraptor
#013 Bidoof  
#014 Bibarel
#015 Kricketot  
#016 Kricketune  
#017 Shinx  
#018 Luxio  
#019 Luxray  
#020 Abra  
#021 Kadabra  
#022 Alakazam  
#023 Magikarp  
#024 Gyarados
#025 Budew
#026 Roselia
#027 Roserade
#028 Zubat
#029 Golbat
#030 Crobat
#031 Geodude
#032 Graveler
#033 Golem
#034 Onix
#035 Steelix
#036 Cranidos  
#037 Rampardos  
#038 Sheildon
#039 Bastiodon
#040 Machop  
#041 Machoke  
#042 Machamp  
#043 Psyduck  
#044 Golduck  
#045 Burmy  
#046 Wormadam  
#047 Mothim
#048 Wurmple  
#049 Silcoon  
#050 Beautifly
#051 Cascoon  
#052 Dustox
#053 Combee
#054 Vespiquen
#055 Pachirisu  
#056 Buizel  
#057 Floatzel  
#058 Cherubi  
#059 Cherrim  
#060 Snellos (West Side)  
#060 Snellos (East Side)  
#061 Gastrodon (West Side)
#061 Gastrodon (East Side)
#062 Heracross
#063 Aipom  
#064 Ambipom  
#065 Drifloon
#066 Drifblim
#067 Buneary  
#068 Lopunny  
#069 Gastly
#070 Haunter
#071 Gengar
#072 Misdreavus  
#073 Mismagius  
#074 Murkrow
#075 Honchkrow
#076 Glameow  
#077 Purugly  
#078 Goldeen  
#079 Seaking  
#080 Barboach
#081 Whiscash
#082 Chingling  
#083 Chimecho  
#084 Stunky
#085 Skuntank
#086 Meditite
#087 Medicham
#088 Bronzor
#089 Bronzong
#090 Ponyta  
#091 Rapidash  
#092 Bonsly  
#093 Sudowoodo  
#094 Mime Jr.  
#095 Mr. Mime  
#096 Happiny  
#097 Chansey  
#098 Blissey  
#099 Cleffa  
#100 Clefairy  
#101 Clefable  
#102 Chatot
#103 Pichu  
#104 Pikachu  
#105 Raichu  
#106 Hoothoot
#107 Noctowl
#108 Spiritomb
#109 Gible
#110 Gabite
#111 Gachomp
#112 Munchlax  
#113 Snorlax  
#114 Unown  
#115 Riolu  
#116 Lucario
#117 Wooper
#118 Quagsire
#119 Wingull
#120 Pelipper
#121 Girafarig
#122 Hippopotas  
#123 Hippowdon  
#124 Azurill  
#125 Marill  
#126 Azumarill  
#127 Skorupi
#128 Drapion
#129 Croagunk
#130 Toxicroak
#131 Carnivine  
#132 Remoraid  
#133 Octillery  
#134 Finneon  
#135 Lumineon  
#136 Tentacool
#137 Tentacruel
#138 Feebas  
#139 Milotic  
#140 Mantyke
#141 Mantine
#142 Snover
#143 Abomasnow
#144 Sneasel
#145 Weavile
#146 Uxie  
#147 Mesprit  
#148 Azelf  
#149 Dialga
#150 Palkia
#151 Manaphy  

 
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