Which dynasty did not exist during the sangam age

Question

During the Cuban Missile Crisis of 1962, what did Kennedy threaten if Khrushchev did not agree to remove missiles from the Soviet intermediate-range ballistic missile site under construction in Cuba?

Answer 1

'Sangam Age' extends roughly between 300 B.C. and 300 A.D. Sangams flourished under the royal patronage of the Pandyas.

Now coming to your question, which dynasty did not exist at the sangam age. Any dynasty which is outside of the 300BC - 300AD is the answer.