Anagrams of: THERAPSIDA

• a social policy or racial segregation involving political and economic and legal discrimination against people who are not Whites; the former official policy in South Africa

• probably warm-blooded; considered direct ancestor of mammals

• the entrance to a coal mine

• A crystal of calcium oxalate, shaped like a needle, which forms as a metabolic byproduct in some plant cells.

• a person who lacks good judgment

• the entrance to a coal mine

• an absence of emotion or enthusiasm

• the trait of lacking enthusiasm for or interest in things generally

• An aphid.

• platform at the top of a staircase