The Continuity Guide
Aliens
by Martin Willey

Jarak and Rena, from an unknown planet. Although they adopt human form, they are not humanoid. (Alpha Child).

Alien dragon (Dragon's Domain)

(Bringers Of Wonder)

Mutant created by Magus (New Adam, New Eve)

Mutant created by Magus (New Adam, New Eve)

Mutant created by Magus (New Adam, New Eve)

Intelligent rocks on unnamed planet (All That Glisters)

Extinct plant eating animal on the planet Luton (Rules Of Luton)

Intelligent trees on the planet Luton (Rules Of Luton)

Thaed, from planet Sunim (A Matter of Balance)