Hiya,
http://bulbanews.bulbagarden.net/wiki/Scan_of_new_Pok%C3%A9mon_surfaces
If you go above link, There's name for those 3 shadow pokemon.
Now...I'm very very sure it's a pre-Evo for mantine as it's name is Tamanta, which is very close to Mantine's Japanese name, Mantain.
And, Water Pokemon Master, I think you should add that Manafi is a Sea Prince Pokemon. Linky:
http://en.wikipedia.org/wiki/Manaphy
cya.
http://bulbanews.bulbagarden.net/wiki/Scan_of_new_Pok%C3%A9mon_surfaces
If you go above link, There's name for those 3 shadow pokemon.
Now...I'm very very sure it's a pre-Evo for mantine as it's name is Tamanta, which is very close to Mantine's Japanese name, Mantain.
And, Water Pokemon Master, I think you should add that Manafi is a Sea Prince Pokemon. Linky:
http://en.wikipedia.org/wiki/Manaphy
cya.