A very fine fasciculate corallum showing on its convex upper surface, over 200 thick walled cylindrical corallites in strong relief, and also some of the connecting tubuli. The corallites are typically about 2 mm in diameter and most show a strongly-concave calice.
Size: 55 mm by 70 mm by 25 mm
Size: 55 mm by 70 mm by 25 mm