Collected specimens from an abandoned gravel pit.
| Phylum: Porifera Sponge Location: Tucson Age: Paleozoic Formation: Unknown |  |
| Phylum: Cnidaria Coral Location: Tucson Age: Paleozoic Formation: Unknown |  |
| Phylum: Cnidaria Class: Anthozoa Order: Tabulata Family: Syringoporidae Genus: Syringopora 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. |  |