Field Photos From the Sonoita Expedition February 2003
| Phylum: Mollusca Class: Gastropoda Snail Location: Near Sonoita Az. Age: Permian Formation: Colina |  |
| Phylum: Echinodermata Class: Crinoidea Crinoid Section Maginified View Location: Near Sonoita Az. Age: Permian Formation: Colina |  |
| Phylum: Echinodermata Class: Crinoidea Crinoid Stems Location: Near Sonoita Az. Age: Permian Formation: Colina |  |
| Phylum: Cnidaria Class: Anthozoa Subclass: Zoantharia Order: Rugosa Rugose Coral Location: Near Sonoita Az. Age: Permian Formation: Colina |  |
| Phylum: Cnidaria Class: Anthozoa Subclass: Zoantharia Order: Rugosa Rugose Coral Location: Near Sonoita Az. Age: Permian Formation: Colina |  |
| Phylum: Brachiopoda Class: Articulata Order: Strophomenidina Suborder: Productid Genus: Dictyoclostus sp. Location: Near Sonoita Az. Age: Permian Formation: Colina |  |
| Phylum: Brachiopoda Class: Articulata Order: Strophomenidina Suborder: Productid Genus: Dictyoclostus sp. Location: Near Sonoita Az. Age: Permian Formation: Colina |  |