Search Answers
Search Crossword Answers
Period when the first true mammals appeared Crossword Clue
Here is the answer for the crossword clue Period when the first true mammals appeared . We have found 40 possible answers for this clue in our database. Among them, one solution stands out with a 98% match which has a length of 8 letters. We think the likely answer to this clue is TRIASSIC.
Love the NYT Mini? Try our Mini. You'll like our free daily Mini Crossword.
Fresh puzzles every day, no paywall.
Crossword Answer For Period when the first true mammals appeared:
You can click on thetiles to reveal letter by letter before uncovering the full solution.
40 Potential Answers:
| Rank | Answer | Length | Source | Date |
|---|---|---|---|---|
| 98% | TRIASSIC Period when the first true mammals appeared | (8) | ||
| 3% | LIAR "That's not true!" | (4) | LA Times Daily | Sep 14, 2025 |
| 3% | DEBUT Actor's first appearance | (5) | ||
| 3% | NUHUH "Not true!" | (5) | USA Today | Sep 12, 2025 |
| 3% | FALSE Not true | (5) | Commuter | Sep 8, 2025 |
| 3% | THATSALIE "Not true!" | (9) | Premier Sunday | Sep 7, 2025 |
| 3% | SCENETWO When Hamlet first appears | (8) | Wall Street Journal | Jul 7, 2025 |
| 3% | SILURIAN Period when the first true fish appeared | (8) | The Times Concise | Jun 5, 2017 |
| 3% | JURASSIC Period when birds and mammals appeared | (8) | ||
| 3% | MIOCENE When mammals appeared | (7) |
Fresh Clues From Recent Puzzles
Your Crossword Clues FAQ Guide
We found 40 solutions for Period when the first true mammals appeared. The top solutions are determined by popularity, ratings and frequency of searches. The most likely answer for the clue is TRIASSIC.
With crossword-solver.io you will find 40 solutions. We use historic puzzles to find the best matches for your question. We add many new clues on a daily basis.
With our crossword solver search engine you have access to over 7 million clues. You can narrow down the possible answers by specifying the number of letters it contains. We found more than 40 answers for Period when the first true mammals appeared.