Lunar Race - Solar Race

Within India there was a 
Priesthood           Royal Power
Brahmans            Kshatriya 
Lunar Race -       Solar Race
Chandravamsa - Suryavamsa
Cosmic Law-       Social Law

linked with 2 great cities

Hastinapura -      Ayodhya

There were also religious differences whether the mother of the gods was 
Aditi                      Diti
Adityas                Daityas 
Suras                  Asuras
Indo- Aryans      Irano-Aryans

There are also claims about a
Moon Race - Sun Race
Chimpanzee - Rhesus Monkey
Africa Melanesia