Very rare, Upper Carboniferous age fossil, big and 3D preserved. In paired nodule, not Mazon Creek from closed site in UK! Crock Hey Open Cast Quarry, Wigan, Lancashire, United Kingdom.
Upper Carboniferous, Pennsylvanian, Bashkirian, Westphalian A ca. Nodule dimensions: 5,5 x 5,0 x 2,5 cm.Extremely Rare specimen of Upper Carboniferous, big and fully 3D. In paired siderite nodule from closed site Crock Hey Open Cast, Wigan, Lancashire in UK. Preserved in Mazon Creek like siderite paired nodule.