| Brachiopod Strophomenide Location: Near Sonoita Az. Age:Pennsylvanian/Permian Formation: Earp Age:Permian The small black circle in the middle of this fragment is a partial spine |  |
| Brachiopod Strophomenide Location: Near Sonoita Az. Age:Pennsylvanian/Permian Formation: Earp Age:Permian |  |