Field Photos From the Sonoita Expedition March 2004
| Phylum: Cnidaria Coral Location: Near Sonoita Az. Age: Mississippian Formation: Escabrosa Limestone |  |
| Phylum: Mollusca Class: Gastropoda Location: Near Sonoita Az. Age: Permian Formation: Colina |  |
| Phylum: Mollusca Class: Gastropoda Location: Near Sonoita Az. Age: Pennsylvanian/Permian Formation: Colina |  |
| Phylum: Mollusca Class: Gastropoda Location: Near Sonoita Az. Age: Pennsylvanian/Permian Formation: Colina |  |
| Phylum: Brachiopoda Class: Articulata Order: Strophomenidina Suborder: Productid Location: Near Sonoita Az. Age: Permian Formation: Colina |  |
| Phylum: Brachiopoda Class: Articulata Order: Strophomenidina Suborder: Productid Location: Near Sonoita Az. Age: Permian Formation: Colina |  |
| Phylum: Echinodermata Echinoid Spine Location: Near Sonoita Az. Age: Permian Formation: Colina |  |
| Phylum: Cnidaria Class: Anthozoa Subclass: Zoantharia Order: Rugosa Rugose Coral Location: Near Sonoita Az. Age: Missippian Formation: Escabrosa Limestone |  |
| Phylum: Cnidaria Class: Anthozoa Subclass: Zoantharia Order: Rugosa Rugose Coral Location: Near Sonoita Az. Age: Missippian Formation: Escabrosa Limestone |  |
| Phylum: Bryozoa Class: Stenolaemata Order: Fenestrata Bryozoa Location: Near Sonoita Az. Age: Permian Formation: Colina |  |
| Phylum: Bryozoa Bryozoa Location: Near Sonoita Az. Age: Permian Formation: Colina |  |