Explanation:

They are sects of Buddhism. During the second and third centuries after the death of the Buddha new subdivisions gradually came into being, with the result that as many as eighteen sects appeared out of the original two groups (Sthaviravadins and Mahasanghikas) by the time of the Third Council.
Kasyapiyas and Mahisasakas emerged out of the Sthaviravadins.