The Beacon Limestone Formation, historically known as the Junction Bed, is a formation of the early Jurassic age. It lies above the Dyrham Formation and below the Bridport Sand Formation. It forms par

Pachycormiformes is an extinct order of marine ray-finned fish known from the Early Jurassic to the end of the Cretaceous. Depending on the treatment, it only includes a single family, Pachycormidae,