| A Glyptocystitoid Rhombiferan echinoderm from the Middle Ordovician Badger Flat Limestone, Inyo County, California; a mostly complete column of a blastazoan (the calyx is missing, unfortunately)--an extinct subphylum of echinoderm. |
| A Glyptocystitoid Rhombiferan echinoderm from the Middle Ordovician Badger Flat Limestone, Inyo County, California; a mostly complete column of a blastazoan (the calyx is missing, unfortunately)--an extinct subphylum of echinoderm. |