
1) Fictional superorganism 2) Warhammer 40,000 species
Found on
https://www.crosswordclues.com/clue/tyranids

In the fictional universe of Warhammer 40,000, the Tyranids are a race and a playable army in the tabletop miniatures wargame. The Tyranids are aliens from outside the galaxy who have come to devour all life, one planet at a time. Though they collectively possess a powerful intelligence, they cannot be reasoned with. Tyranids come in diverse forms...
Found on
http://en.wikipedia.org/wiki/Tyranids
No exact match found.