Field Photos From Unknown Rock Formations
| Phylum: Brachiopoda Class: Articulata Spiriferid Brachiopod Location: Rillito River. Age: Pennsylvanian/Permian? Formation: Earp? High Resolution Image |  |
| Phylum: Brachiopoda Class: Articulata Brachiopod with Echinoid DebrisLocation: Rillito River. Age: Pennsylvanian/Permian? Formation: Earp? High Resolution Image |  |
| Phylum: Brachiopoda Class: Articulata BrachiopodLocation: Rillito River. Age: Pennsylvanian/Permian? Formation: Earp? High Resolution Image |  |
| Phylum: Echinodermata Crinoid Sections Location: Rillito River. Age: Paleozoic Formation: Unknown High Resolution Image |  |
| Phylum: Echinodermata Crinoid Sections Location: Rillito River. Age: Paleozoic Formation: Unknown High Resolution Image |  |
| Phylum: Echinodermata Crinoid Sections Location: Rillito River. Age: Paleozoic Formation: Unknown High Resolution Image |  |
| Phylum: Bryozoa Branching Bryozoa in Cross-Section Location: Rillito River Age: Paleozoic Formation: Unknown High Resolution Image |  |
| Phylum: Echinodermata Echinoid Debris Location: Rillito River. Age: Paleozoic Formation: Unknown High Resolution Image |  |
| Phylum: Echinodermata Crinoid Stem Location: Rillito River. Age: Paleozoic Formation: Unknown High Resolution Image |  |
| Phylum: Bryozoa Branching Bryozoa Location: Rillito River Age: Paleozoic Formation: Unknown High Resolution Image |  |
| Phylum: Protozoa Order: Foraminiferida Suborder: Fusulinina Family: Fusulinidae Fusulinids Location: Rillito River Age: Pennsylvanian? Formation: Horquilla Limestone High Resolution Image |  |
| Leaves Age: Quarternary? Formation: Unknown |  |
| Phylum: Brachiopoda Class: Articulata Order: Strophomenidina Suborder: Productid A Productid with four fully articulated spines High Resolution Image Location: Rillito River. Age: Paleozoic Formation: Unknown |  |
| Phylum: Echinodermata Crinoid stem Location: Rillito River. Age: Paleozoic Formation: Unknown? |  |
| Phylum: Brachiopoda Class: Articulata Location: Rillito River. Age: Pennsylvanian/Permian? Formation: Earp? |  |
| Phylum: Arthropoda Subphylum: Trilobita Trilobite? Location: Rillito River. Age: Cambrian? Formation: Abrigo? |  |
| Phylum: Brachiopoda Class: Articulata Location: Rillito River. Age: Pennsylvanian/Permian? Formation: Earp? |  |
| Phylum: Brachiopoda Class: Articulata Order: Spiriferidea Brachiopod Location: Rillito River. Age: Pennsylvanian/Permian? Formation: Earp? |  |
| Phylum: Brachiopoda Class: Articulata Brachiopod Location: Rillito River. Age: Pennsylvanian/Permian? Formation: Earp? |  |
| Phylum: Brachiopoda Class: Articulata Brachiopod Location: Rillito River. Age: Pennsylvanian/Permian? Formation: Earp? |  |
| Phylum: Bryozoa Class: Stenolaemata Order: Fenestrata Bryozoa Location: Rillito River Age: Pennsylvanian/Permian? Formation: Earp |  |
| Phylum: Echinodermata Crinoid stem Location: Rillito River Age: Paleozoic Formation:Unknown |  |
| Phylum: Echinodermata Crinoid stem Location: Rillito River Age: Paleozoic Formation:Unknown |  |
| Phylum: Brachiopoda Class: Articulata Brachiopod Location: Rillito River. Age: Paleozoic Formation: Unknown |  |
| Phylum: Brachiopoda Class: Articulata Brachiopod Location: Rillito River. Age: Paleozoic Formation: Unknown |  |
| Phylum: Cnidaria Class: Anthozoa Subclass: Zoantharia Order: Rugosa Rugose Coral Location: Rillito River. Age: Paleozoic Formation: Unknown |  |
| Leaf Print Location: Near Benson Az. Age: Quarternary Formation: Unknown |  |
| Leaf Print Location: Near Benson Az. Age: Quarternary Formation: Unknown |  |
| Leaf Print Location: Near Benson Az. Age: Quarternary Formation: Unknown |  |
| Leaf Print Location: Near Benson Az. Age: Quarternary Formation: Unknown |  |
| Phylum: Echinodermata Crinoid Stem Location: Near Benson Az. Age: Paleozoic Formation: Unknown |  |
| Phylum: Cnidaria Coral Location: Tucson Age: Paleozoic Formation: Unknown |  |
| Phylum: Echinodermata Class: Crinoidea Crinoid Calyx Location: Tucson Age: Paleozoic Formation: Unknown |  |
| Phylum: Brachiopoda/Echinodermata Brachiopod Shell and Crinoid Stem Location: Tucson Age: Paleozoic Formation: Unknown |  |
| Phylum: Cnidaria/Brachiopoda Coral and Brachiopod Shell Location: Tucson Age: Paleozoic Formation: Unknown |  |
| Phylum: Brachiopoda Class: Articulata Order: Strophomenidina Suborder: Productid Productid Brachiopod Location: Tucson Age: Paleozoic Formation: Unknown |  |
| Phylum: Cnidaria Class: Anthozoa Subclass: Zoantharia Order: Rugosa Rugose Coral Location: Tucson Age: Paleozoic Formation: Unknown |  |
| Phylum: Bryozoa Bryozoa Location: Tucson Age: Paleozoic Formation: Unknown |  |
| Phylum: Cnidaria Location: Tucson Age: Paleozoic Formation: Unknown |  |
| Phylum: Mollusca Class: Gastropoda Snail Location: Tucson Age: Paleozoic Formation: Unknown |  |
| Phylum: Porifera Stromatoporiod Location: Tucson Age: Paleozoic Formation: Unknown |  |
| Phylum: Assorted Trilobite Molts and Crinoid Debris Location: Tucson Age: Paleozoic Formation: Unknown Click Here to examine this rock in detail. |  |
| Phylum: Echinodermata Class: Crinoidea Crinoid Calyx Location: Tucson Age: Paleozoic Formation: Unknown Click Here for addtional pictures of this interesting fossil. |  |
| Phylum: Cnidaria Class: Anthozoa Subclass: Zoantharia Order: Rugosa Rugose Coral Location: Tucson Age: Paleozoic Formation: Unknown |  |
| Phylum: Cnidaria Class: Anthozoa Coral Location: Tucson Age: Paleozoic Formation: Unknown |  |
| Phylum: Cnidaria Class: Anthozoa Coral Location: Tucson Age: Paleozoic Formation: Unknown |  |
| Phylum: Cnidaria Class: Anthozoa Coral Location: Tucson Age: Paleozoic Formation: Unknown |  |
| Petrified Wood? Location: Tucson Age: Unknown Formation: Unknown |  |
| Bone Fragment? Location: Tucson Age: Unknown Formation: Unknown |  |
| Gastropod Location: Near Sonoita Az. Age: Pennsylvanian/Permian? Formation: Unknown |  |
| Gastropod Location: Near Sonoita Az. Age: Pennsylvanian/Permian? Formation: Unknown |  |
| Gastropod Location: Near Sonoita Az. Age: Pennsylvanian/Permian? Formation: Unknown |  |
| Crinoid Stem Location: Near Sonoita Az. Age: Pennsylvanian/Permian? Formation: Unknown |  |
| Bryozoa Location: Near Sonoita Az. Age: Pennsylvanian/Permian? Formation: Unknown |  |
| Bryozoa Location: Near Sonoita Az. Age: Pennsylvanian/Permian? Formation: Unknown |  |
| Brachiopod Strophomenide Location: Near Sonoita Az. Age: Pennsylvanian/Permian? Formation: Unknown |  |
| Brachiopod Strophomenide Location: Near Sonoita Az. Age: Pennsylvanian/Permian? Formation: Unknown |  |
| Brachiopod Strophomenide Location: Near Sonoita Az. Age: Pennsylvanian/Permian? Formation: Unknown |  |
| Brachiopod Strophomenide Location: Near Sonoita Az. Age: Pennsylvanian/Permian? Formation: Unknown |  |
| Urchin Spine with numerous tubercles Location: Near Sonoita Az. Age: Pennsylvanian/Permian? Formation: Unknown |  |
| Horn Coral With Bryozoa Location: Near Sonoita Az. Age: Pennsylvanian/Permian? Formation: Unknown |  |