Field Photos From the Johnny Lyon Hills June 2009
| Phylum: Echinodermata Cambrian Echinoderm High Resolution Image Location: The Johnny Lyon Hills Age: Cambrian Formation: Abrigo Limestone |  |
| Phylum: Arthropoda Subphylum: Trilobita Trilobite Hash High Resolution Image Location: The Johnny Lyon Hills Age: Cambrian Formation: Abrigo Limestone |  |
| Phylum: Arthropoda Subphylum: Trilobita Trilobite Hash High Resolution Image Location: The Johnny Lyon Hills Age: Cambrian Formation: Abrigo Limestone |  |
| Phylum: Arthropoda Subphylum: Trilobita Trilobite Hash High Resolution Image Location: The Johnny Lyon Hills Age: Cambrian Formation: Abrigo Limestone |  |
| Phylum: Arthropoda Subphylum: Trilobita Trilobite Hash with Hyolithids High Resolution Image Location: The Johnny Lyon Hills Age: Cambrian Formation: Abrigo Limestone |  |
| Phylum: Arthropoda Subphylum: Trilobita Trilobite Hash with Hyolithids High Resolution Image Location: The Johnny Lyon Hills Age: Cambrian Formation: Abrigo Limestone |  |