Dwrhyd Pit is exceptionally rich in fossils and gives a most valuable insight into the life which existed during Middle Cambrian times (515 million years ago).
Open-pit mining | The Pit | pit stop | The Snake Pit | The Money Pit | pit viper | The Pit and the Pendulum | Pit River | Pit bull | Passion Pit | Lazarus Pit | The Pit and the Pendulum (1961 film) | The Devil's Pit | Quatermass and the Pit | Pit viper | Michaelston-le-Pit | Gravel Pit | American Pit Bull Terrier | Up from the Bottomless Pit and Other Stories | The Pit (novel) | The Pit (G.I. Joe) | The Pit (film) | The Pit: A Group Encounter Defiled | The Pendulum, the Pit and Hope | Tar pit | Rim of the Pit | Planet Pit | Pit village | pit village | Pit stop |