| A pedicle valve from an articulate brachiopod, middle Ordovician Badger Flat Limestone near Mazourka Canyon, Inyo County, California; called scientifically Orthamonites sp. Circular specimen at lower right is a fragment of a cystoid echinoderm. |
| A pedicle valve from an articulate brachiopod, middle Ordovician Badger Flat Limestone near Mazourka Canyon, Inyo County, California; called scientifically Orthamonites sp. Circular specimen at lower right is a fragment of a cystoid echinoderm. |