Fascinating writing. One clarification - Sri Aurobindo's psychology, despite Wilber's writings about it, really has little if anything in common with present day developmental stages. Between the distinction of the psychic being, psychic entity and Self, and the inseparable connection between many lifetimes, as well as connections with occult realms of subtle physical, vital and mental universes, the whole present day notions of development really don't apply.

It might be helpful to keep in mind, also, the vast majority of cognitive scientists (including psychologists) have not supported the idea of developmental stages since at least 40 or more years ago.