Field Photos From Sonoita August 2005
| Phylum: Mollusca Class: Gastropoda Location: Near Sonoita Az. Age: Permian Formation: Colina Limestone |  |
| Phylum: Bryozoa Class: Stenolaemata Order: Fenestrata Bryozoa Location: Near Sonoita Az. Age: Permian Formation: Colina Limestone |  |
| Phylum: Echinodermata Sea Urchin Spines Location: Near Sonoita Az. Age: Permian Formation: Colina Limestone |  |