| Clue | Source | Date |
|---|---|---|
| Spiral seashells | Newsday | 19 Mar 2023 |
| Shells used like trumpets | Universal | 20 Jan 2023 |
| Mollusks with iridescence not created by 22-Across | New York Times | 01 Dec 2022 |
| Seashells used as trumpets | New York Times | 16 Jun 2020 |
| Valuable pearl sources | ||
| Trumpets for Tritons | ||
| Sea snails | ||
| Sea snails | ||
| Spiral shells often used as horns | ||
| Spiral shells | ||
| Spiral shells | ||
| Spiral shells | ||
| Shells |