| claystone | หินเคลย์ [ธรณีวิทยา๑๔ ม.ค. ๒๕๔๖] |
| claystone | (n) fine-grained rock consisting of compacted clay particles |
| claytonia | (n) genus of mainly North American succulent herbs with white or pink flowers usually in terminal racemes, Syn. genus Claytonia |
| clayton |
| Claytonia | ‖prop. n. [ Named after |