Alien species featured in works of literature (poems, plays or prose).
All items (1742)
H
- Hedonist (All Tomorrows)
-
- Hekir
-
- Hellhound (Cosmic Engineers)
- Helliconian Tree
- Helmacron
-
-
-
- Heptapod
- Hetwan
-
-
- Hipp
-
-
- Hleno
-
- Hoka
-
- Hoon
- Hoot
- Hopper-cone
-
- Horde
-
- Hork-Bajir
- Horla
- Hormad
- Hornet (L'Orphelin de Perdide)
- Hound of Tindalos
- Howler (Animorphs)
- Hrossa
-
-
-
-
-
- Humanoid Martian (The Twilight Zone)
-
-
- Hunter from Beyond
- Hunting Horror
-
-
- Hussir
-
-
-
- Hyūga
I
-
-
-
- Ice Girl
-
- Ice-Crawler
- Icedart
-
-
-
- Igor
- Ikneumon
-
-
-
-
- Imooda
- Inchoroi
-
-
-
- Insect-philosopher
-
- Insectophagus
-
-
-
- Ionian
-
-
-
- It
-
- Ixchel
- Ixtl
J
-
-
- Jack-O-Lantern
-
-
-
- Jamyn Dragon
- Jaq
-
-
-
-
- Jesus of Nazareth
- Jetdarter
-
-
- Jophur
- Jorenian
-
- Jotok
- Jovian
- Jovian (Jupiter Five)
- Jovian (Life on Jupiter)
-
-
-
-
-
-
- Jumpum
- Junkion
- Jupiter Jumping Bean
K
-
- K'n-yanian
-
-
-
- Kaguya's species
-
- Kakou-y
-
- Kaldane
-
-
- Kanama
-
-
- Kdatlyno
-
- Kelgian
- Kelp-thing
-
-
-
- Ketran
-
-
-
-
-
-
- Killer Folk
-
-
-
- Klaatu's Species
- Klangan
-
-
- Kluuzot
-
-
-
-
-
-
- Krabouilla
-
-
-
-
- Krishnan
-
- Krolp
-
-
-
- Kulka's species
-
- Kzin