OptionProbability
Extinct (e.g. forerunners, ring builders, old ones)
Crystalline (e.g. silicon substrate)
Other
Tentacled (e.g. squid, jellyfish)
Buoyant (e.g. whales or gas bags)
Carcinoid (e.g. crabs)
Composite (e.g. hermit crabs, the Borg)
Humanoid (e.g. greys, Mexican fakes)
Winged (e.g. birds, pterodactyls)
25
23
22
8
7
4
2
