THE BOOK OF ALIENS

A winged species that was conquered and destroyed by the Krillitane. Source: Doctor Who, "School Reunion"

A gaseous alien parasite that feeds on orgasmic energy. Composed of vorax and ceranium gases, Earth's atmosphere is poisonous to the ali...

The Dogons are a space faring reptilian species with thirteen eyes, each of which grant them especially enhanced perceptions in various resp...

Planet of Origin: Exxilon A highly advanced civilisation of bald silicon-based humanoids with bulbous eyes and bark-like glowing skin, the E...

Planet of Origin: Argolis Argolins are yellow skinned humanoid nhabitants of Argolis who developed an nascent interstellar civilisation unt...

Planet or origin: It is not known if the name of the species related to the star known to humans as Arcturus. The arcturus are non hum...

A sentient species that existed some 3 billions years ago and was wiped out by the the Sou(ou) shi after the Aveletians but prior to their v...

A sentient species that existed some 3 billions years ago and was wiped out by the the Sou(ou) shi prior to their visit to Venus. Source: Do...

A sentient species that existed some 3 billions years ago and was wiped out by the the Sou(ou) shi prior to their visit to Venus. Source: Do...

Planet of Origin: Aveletia A sentient species that existed some 3 billions years ago and was wiped out by the the Sou(ou) shi prior to their...

Planet of origin: Worldsphere The People are an ancient highly advanced utopian society probably born of several alien species, living in a ...

Humanoid species that was among the first sentient planetbound lifeform of the universe. The developped an advanced civilisation. They are s...

Planet of Origin: Tranmetgura Humanoid species which at the end of a long civil war, almost developed a unified planetary civilisation with ...

Planet of origin: Nemesis Lucifer Hawks are entities that have been known to visit other worlds, Earth among them in the early 21st centu...

Non-human entities which developped time travel in the distant past. They were so different from all other lifeforms that during the First T...

Planet: Crial A race of telepathic bacteria that infected hosts and which an advanced civilisation in the distant past and mastered time tra...

P lanet of Origin: Tyanna The Tyannans are a feline humanoid species that developed an highly advanced interstellar civilisation. They were ...

Planet of origin: Arthros The Annihilation Wave is a insectoid species from another universe known as the Negative Zone lead by the Anni...

Planet of Origin: Antede III Species of fish-like humanoids. They are able to enter catatonic state for long period of time, although this...

Planet of origin: Daled IV Allasomorphs are a sentient anthropomorphic shapeshifting species capable of altering instantaly their molec...