Larvitar evolves to Pupitar at level 30.
Snorlax cant envolve
Crocanaw evolves into Feraligatr :p
Geckavia is not a Pokemon. Also, it's spelt evolve, not envolve.
Larvitar can be found in Mt.Silver.
you can envolve ralts to envolve into kirlia and to envolve kirlia to gallade but only male and a snorunt but only female
A ditto
to find larvitar go to the Seavault Canyon
Larvitar evolves into pupitar at level 30
Put Nosepass in your party and go to Mt Coronaut and it will envolve. Hope this helps!! SPM
You can't know when it is Larvitar. But, at my research i have found it that a Larvitar appears 2 of 10 times you radar on.
Trade it
trade it.