Summon Spider IX (3.5e Spell)

This spell functions like summon spider I, except that you can summon a Colossal fiendish or celestial Monstrous Spider, 1d3 creatures of the same kind from the list of creatures that summon spider VIII allows you to summon or 1d4+1 creatures of the same kind from the list of creatures that summon spider VII allows you to summon.