Geologic image in the Kentucky Geological Survey data repository.Image Name: Cephalopod Image Date: 7/28/2004 Category: photo_fossil Source: Murphy, Michael Format: JPG Size (MB): 0.12 Pixel Dimensions: 640 x 480 Description: Large cephalopod in Willow Creek, 1 mile west of Milford Ky. Fossil is thought to be preserved in the Lexington Limestone, but the Clays Ferry Formation comprises the hillsides adjacent to the creek. Note the prominent septa which separate the shell into chambers. Photo by Tom Sparks, Kentucky Geological Survey.