Dwarf (Dragonlance)
From Dungeons and Dragons Wiki
Dwarves are a humanoid race.
There are three subcategories: Hill, Mountain, and Gully
Hill Dwarves
Mountain Dwarves
Gully Dwarves
According to Gully Dwarves, there are "two, not more than two" types of Dwarves, as Gully Dwarves cannot count higher than two.