Description: Phytosaur (ancestral crocodilian) Palo Duro Canyon area, Armstrong Co., Texas, USA 3 cm. X 5.5 cm. Phytosaur (ancestral crocodilian) partial vertebra. 3 cm X 5.5 cm. Palo Duro Canyon, near Canyon, Texas. I found this fossil on my senior high school class field trip / picnic in April of 1965

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