Number and hierarchy of demons

Species of Demons, as Described by Alphonse de Spina (1467)

Fates, who alter destiny
Poltergeists, who cause mischief
Incubi and Succubi, who stimulate lust and perversion
Marching Hordes, who bring about war
Familiars, who assist witches
Nightmares, who disturb sleep through bad dreams
Demons formed from Human Semen
Disguised Demons
Demons who Assail the Saintly
Demons who Instigate Witchcraft