| Plant Impression High Resolution Image Location: Tucson Mountains Age: Early Cretaceous Formation: Amole Arkose |  |
| Plant Stem Impression High Resolution Image Location: Tucson Mountains Age: Early Cretaceous Formation: Amole Arkose |  |
| Phylum: Mollusca Class: Bivalvia (Pelecypoda) Small Bivavle Shell High Resolution Image Location: Tucson Mountains Age: Early Cretaceous Formation: Amole Arkose |  |
| Phylum: Mollusca Class: Bivalvia (Pelecypoda) Small Bivavle Shell High Resolution Image Location: Tucson Mountains Age: Early Cretaceous Formation: Amole Arkose |  |
| Phylum: Unknown Bioturbation (Unknown Source) High Resolution Image Location: Tucson Mountains Age: Early Cretaceous Formation: Amole Arkose |  |
| Phylum: Unknown Bioturbation (Unknown Source) High Resolution Image Location: Tucson Mountains Age: Early Cretaceous Formation: Amole Arkose |  |