Anthropic Rings
Distance from the epicenter of Caer's Mistake transformed Ashenal into certain anthropoid species, so those who remained Ashenal on the opposite side of the planet, called the sanctuary ring, long existed as a mostly monolithic culture, while those in between such as the Meshar (ring 10) and Shaja (ring 5) developed several wildly different cultures individually.
The following anthropic rings originated these respective species: