Buckleos

Buckleos are the original alien species all man-made 'bucks are based from
These are NOT made by man and are an alien species from another planet
Buckleos are not separated into generations, however, there are a few Buckleos that cannot be made until certain years within the lore

Kaeraa

These Buckleos can only be made once the Sraalok clan steals from their magical tree and they transform into Kaeraa

Evergreens

These Buckleos can only be made during or after the year xxxx as this is a mutation that occurred on Earth due to the corrupt plant-life

Alphas

Alphas can only be made after the war with Kaeraa, during the year xxxx or after