Historical clue formulations

• Tusked Ice Age mammal — 2025-03-18
• State fossil of Indiana — 2024-10-02
• Extinct megafauna species whose name derives from the Greek for "breast tooth" — 2022-11-07
• Ice age beast — 2021-01-09
• Tusked animal — 2005-07-03
• Ice Age roamer — 2000-09-08