Related Clues:
- Ming, the oldest animal ever discovered (400+ years), was one
- Don't talk, with, ''up''
- Bivalve shellfish
- Marine mollusc
- He handles oars
- Reticent shellfish?
- Burrowing marine mollusc
- Large shellfish with hinged shell
- Bivalve mollusc
- Mollusc with firmly-closed shell
- Edible mollusc
- Bi-valve with firmly-closed shell
- One is as uncommunicative as a mollusc
- It's one-fifty in the morning, so shut up!
- This ought to shut up our racket