Elves, like in other MMORPGs, appear in Crowfall in various types. At moment there are:
There also was announced, there will be Moon-Elves and Sun-Elves, which seem to belong both to the High-Elves.
The elves were introduced quite early as Frostweavers with the now abandoned archetype system of the game. Now, after the massive reveal from May 18th, 2017, some of their kind soon also can become Knights, Rangers, Druids, Confessors, Assassins or Frostweavers with the new class and race system.