Here is a Dendraster gibbsii from the Pliocene of California. This fossil sand dollar echinoids are light polished so expose the nice carapace pattern that are framed by manganese minerals. | |||
Location: | Kettleman Hills, California, USA | ||
Size of Fossil : | about 42 x 36 mm | ||
Age: | Pliocene, Lower Etchegion, (about 5 Mill. Years) |