Field Photos From the Sonoita Expedition 4/06
| Phylum: Mollusca Class: Gastropoda Location: Near Sonoita Az. Age: Permian Formation: Colina Limestone |  |
| Phylum: Mollusca Class: Gastropoda Location: Near Sonoita Az. Age: Permian Formation: Colina Limestone |  |
| Phylum: Mollusca Class: Gastropoda Location: Near Sonoita Az. Age: Permian Formation: Colina Limestone |  |
| Phylum: Mollusca Class: Gastropoda Location: Near Sonoita Az. Age: Permian Formation: Colina Limestone |  |
| Phylum: Echinodermata Class: Crinoidea Crinoid Stem Location: Near Sonoita Az. Age: Permian Formation: Colina Limestone |  |
| Phylum: Echinodermata Class: Crinoidea Crinoid Stem Location: Near Sonoita Az. Age: Permian Formation: Colina Limestone |  |
| Phylum: Echinodermata Class: Crinoidea Crinoid Stem Location: Near Sonoita Az. Age: Permian Formation: Colina Limestone |  |
| Phylum: Echinodermata Class: Crinoidea Crinoid Stems Location: Near Sonoita Az. Age: Permian Formation: Colina Limestone |  |
| Phylum: Echinodermata Class: Crinoidea Crinoid Stems Location: Near Sonoita Az. Age: Permian Formation: Colina Limestone |  |
| Phylum: Echinodermata Class: Crinoidea Crinoid Section Location: Near Sonoita Az. Age: Permian Formation: Colina Limestone |  |
| Phylum: Bryozoa Bryozoa Location: Near Sonoita Az. Age: Permian Formation: Colina Limestone |  |
| Phylum: Bryozoa Bryozoa Location: Near Sonoita Az. Age: Permian Formation: Colina Limestone |  |
| Phylum: Brachiopoda Brachiopod Location: Near Sonoita Az. Age: Permian Formation: Colina Limestone |  |
| Phylum: Echinodermata Various Echinoids Location: Near Sonoita Az. Age: Permian Formation: Colina Limestone |  |
| Phylum: Echinodermata Various Echinoids Location: Near Sonoita Az. Age: Permian Formation: Colina Limestone |  |
| Phylum: Echinodermata Various Echinoids Location: Near Sonoita Az. Age: Permian Formation: Colina Limestone |  |
| Phylum: Echinodermata Sea Urchin Spine Location: Near Sonoita Az. Age: Permian Formation: Colina Limestone |  |