[Triggz]

Stoner/Sludge Metal (listing ten because some fall into both and or their exact genres are debatable):
Sleep
High On Fire
Kylesa
Torche
The Sword
Bongzilla
Eyehategod
The Ocean
Indian
Weedeater

Stoner/Desert Rock:
Kyuss
Yawning Man
Quest For Fire
Monster Magnet
Queens of the Stone Age

Post-Metal:
Isis
Neurosis
Mouth of the Architect
Cult of Luna
Light Bearer

Progressive Rock/Metal:
Tool
Opeth
Mastodon
Cynic
Devin Townsend Project

Death Metal:
Necrophagist
Carcass
Bloodbath
Cannibal Corpse
Decrepit Birth

Black Metal:
Burzum
Darkthrone
Watain
Marduk
Krallice

Post-/Atmosheric Black Metal:
Lantlos
Deafheaven
Agalloch
Darkspace
Fen

Doom Metal:
Goatsnake
Unearthly Trance
Yob
Katatonia
Electric Wizard

Metalcore:
As I Lay Dying
Killswitch Engage
Trivium
Atreyu
Killswitch Engage

Deathcore:
Veil of Maya
After The Burial
Born of Osiris
The Acacia Strain
Despised Icon