What Pokemon lose a type on evolution?

This is mostly trivia, but I’ve always wondered this. And you don’t have to include Megas but you can if you want to.

Pleaselog inorregisterto add a comment.

Update: As of Gen 9

Source

Upon evolving,

Upon Mega-Evolving,

And that’s it. Edit this answer if I’ve forgot a Pokemon, Editors and stronger !

Normal evolutions

Azurill - loses Normal type but gains Water typeBellossom - loses Poison typeEevee - changes type upon all 7 evolutionsFletchling - loses Normal type but gains Fire typeKirlia - loses Fairy type but gains Fighting type upon evolving into GalladeNincada - loses Ground type but gains Flying type as Ninjask and Ghost type as ShedinjaOnix - loses Rock type but gains Steel typePupitar - loses Ground type but gains Dark typeScyther - loses Flying type but gains Steel typeSkorupi - loses Bug type but gains Dark typeSkrelp - loses Water type but gains Dragon typeSurskit - loses Water type but gains Flying typeSwablu - loses Normal type but gains Dragon type

Mega evolutions

Aggron - loses Rock typeCharizard - loses Flying type but gains Dragon type upon evolving into Mega Charizard XGyarados - loses Flying type but gains Dark type