Field Photos From the Oracle Expedition September 2012
| Lower Paleozoic Stratigraphy Santa Catalina Mountains Location: Near Oracle Az. High Resolution Image |  |
| Phylum: Unknown Unknown Trace Fossil Location: Near Oracle Az. Age: Cambrian Formation: Bolsa Quartzite High Resolution Image |  |
| Phylum: Brachiopoda Class: Articulata Order: Atrypida Family: Atrypidae Genus: Atrypa Atrypa Location: Near Oracle Az. Age: Devonian Formation: Martin Limestone High Resolution Image |  |
| Phylum: Brachiopoda Class: Articulata Order: Atrypida Family: Atrypidae Genus: Atrypa Atrypa Location: Near Oracle Az. Age: Devonian Formation: Martin Limestone High Resolution Image |  |
| Phylum: Echinodermata Crinoid Stem Location: Near Oracle Az. Age: Devonian Formation: Martin Limestone High Resolution Image |  |
| Phylum: Echinodermata Crinoid Stem Location: Near Oracle Az. Age: Devonian Formation: Martin Limestone High Resolution Image |  |
| Phylum: Echinodermata Crinoid Stem Location: Near Oracle Az. Age: Devonian Formation: Martin Limestone High Resolution Image |  |