The best fossils from the first 10 years
| Phylum: Mollusca Class: Bivalvia (Pelecypoda) Genus: Trigonia Trigonia Bivalve (in matrix) Photographed June 2009 High Resolution Image Location: Near Sonoita Arizona Age: Early Cretaceous Formation: Mural Limestone |  |
| Phylum: Mollusca Class: Gastropoda Sub-class: Prosobranchia Order: Archaeogastropoda Genus: Straparollus Location: Near Sonoita Az. Age: Pennsylvanian Formation: Horquilla Limestone First Photographed June 2000 High Resolution Photo |  |
| Phylum: Echinodermata Sea Urchin Spines Location: Near Sonoita Az. Age: Pennsylvanian Formation: Horquilla Limestone Photographed December 2004 High Resolution Image |  |
| Sedimentary Structures Photographed Novermber 2008 High Resosution Image Location: Near Holbrook AZ Age: Triassic Formation: Moenkopi |  |
| Phylum: Cnidaria Genus: Cladopora Cladopora prolifica Photographed March 2009 High Resolution Image Location: Near Oracle Az. Age: Devonian Formation: Martin Limestone |  |
| Phylum: Mollusca Class: Bivalvia (Pelecypoda) Superfamily: Hippuritoidea Family: Diceratidae Spirogyrate Rudist October 2006 High Resolution Image Location: Near Sonoita Arizona Age: Early Cretaceous Formation: Mural Limestone |  |
| Phylum: Echinodermata Cambrian Echinoderm Photographed June 2009 High Resolution Image Location: The Johnny Lyon Hills Age: Cambrian Formation: Abrigo Limestone |  |
| Leaf Print (Travertine) Photographed October 2004 High Resolution Image Location: Near Benson Az. Age: Quarternary Formation: Unknown |  |
| Phylum: Brachiopoda Class: Articulata Suborder: Productid A Productid with four fully articulated spines Location: Rillito River. Age: Paleozoic Formation: Unknown Photographed December 2005 High Resolution Image |  |
| Phylum: Cnidaria Class: Anthozoa Subclass: Zoantharia Order: Rugosa Rugose Coral Location: Near Sonoita Az. Age: Mississippian Formation: Escabrosa Limestone Photographed January 2010 High Resolution Image |  |
| Insect Trace Fossil in Petrified Wood Photographed January 2006 High Resolution Image Location: Tucson Mountains Age: Early Cretaceous Formation: Amole Arkose |  |
| Phylum: Brachiopoda Class: Articulata Order: Spiriferidea Location: Near Sonoita AZ. Age: Pennsylvanian/Permian Formation: Earp Photographed December 2004 High Resolution Image |  |