Elytras

The first 4 elytra's are obtainable by mining, the rest of the elytra's can be obtained by killing various bosses.

Mining Elytra's

Ice Elytra (-53 10 206, Spawn Dimension)

Parrot Wings (-34 20 192, Spawn Dimension)

Fire Wings (1010 26 -534, Nether Dimension)

Dragon Wings (-27 97 787, End Dimension)

Boss Elytra's

Aztec King Wings (50 150 -49, Boss World)

Ice Demon Wings (-52 150 35, Boss World)

Magma Lord Wings (-80 150 -49, Boss World)

Swamp Lord Wings (80 151 27, Boss World)

Zeus Wings (-725 177 -761, Aether)

Farmer's Elytra (-403 42 -877, Farm)

Astronaut Elytra (581 174 -957, Space)

Warden Elytra (-337 57 339, DeepDark)

Void Creature Elytra (566 87 -79, Void)

Twilight Wolf Elytra (585 46 -703, Twilight)

Ocean Monster Elytra (462 59 -441, Ocean)

Mushroom Minotaur Elytra (120 221 -679, Mushroom)

Gingerbread Man Elytra (-682 100 390, Candy)

Yeti Elytra (900 39 -58, Arctic)