| This is chunk of coral from the lower Silurian to lower Devonian Vaughn Gulch Limestone, Mazourka Canyon, Inyo County, California. Scientific name is Favosites sp. The photograph is from a specific public domain document. |
| This is chunk of coral from the lower Silurian to lower Devonian Vaughn Gulch Limestone, Mazourka Canyon, Inyo County, California. Scientific name is Favosites sp. The photograph is from a specific public domain document. |