Help me finalize my team please

[AkioMoto]

I need suggestions for finalizing my single-player team in white and I just really unsure on how to finish off my party any suggestions are welcome. Thank-q ^_^ *no legendarys*
Current/Planned team members *moves are not final just the current state they are in at the moment*

Samurott:[nickname-Mizuumi]
[lv.31]
[nature-adamant]
[ability-torrent]
[item-expert belt]
Dig
Revenge
Razor Shell
Focus Energy

Scolipede:[nickname-Niddhoggr]
[lv.32]
[nature-careful]
[ability-poison point]
[item-rocky helmet]
Poison Tail
Iron Defense
Bug Bite
Bulldoze

Scrafty:[nickname-Juri]
[lv.32]
[nature-sassy]
[ability-moxie]
[item-BlackGlasses]
Rock Tomb
Payback
Headbutt
Hi Jump Kick

Archeops:[nickname-Mordimort]
[lv.35]
[nature-hasty]
[ability-defeatist]
[item-scope lens]
Pluck
Crunch
Dig
Rock Tomb

Klinklang:[nickname-Norn]
[lv.27]
[nature-Bashful]
[ability-Plus]
[item-eviolite *using because it's currently a Klink*]
Gear Grind
Rock Smash
Volt Switch
Thunder Wave

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also regarding Archeops do critical hits bypass defeatist? I wasn't sure where to ask this so I just put it here

 

[AkioMoto]

I was thinking maybe Bisharp, Golark, Durant, Beartic, Cryogonal, or Eelektross. Since this is a Attack heavy party and I think Cryogonal is cool


Pun not intended geez Ice puns are to easy to make

 

[AkioMoto]

I my question answered so I'm good but thank-q for viewing the thread and I close it if I knew how (if I can)