Petrified Forest National Park

Petrified Forest National Park

Nature & Wildlife in Petrified Forest

Natural World

Fossils Fossils are clues to the past, allowing researchers to reconstruct ancient animals and plants. Together with the surrounding rocks, fossils tell the stories of ancient ecosystems. Petrified Forest has plant and animal fossils representing the Late Triassic, going back over 200 million years. The Triassic Period is sometimes referred to ...

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Geology

Natural Features & Ecosystems Petrified Forest National Park contains the petrified remains of 225 million year old trees from the Late Triassic. Surrounding the petrified wood are millions of years of deposition, uplift, and erosion, creating the Chinle Formation. This rock formation creates the red hues of the Painted Desert and the blue ...

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Plants

Plant Megafossils Late Triassic plant megafossils found in Petrified Forest National Park Compiled by Dr. Sid Ash, September 2003 * species based on fossils collected in the park ** species and genotype based on fossils collected in the park Lycopods Chinlea campii** Chinlea sp. Horsetails Equisetites bradyi* Equisetites spp. Equicalastrobus chinleana** Neocalamites virginiensis Neocalamites sp. Ferns and Fernlike Foliage Cladophlebis daughertyi* C. yazzia* Cladophlebis spp. Clathropteris walkeri* Cynepteris ...

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Animals

Birds Like many national park areas, Petrified Forest National Park provides a unique place of protection and preservation. Here, birds can find food and shelter that may not be available in other regions on their journeys from habitat to habitat. Patches of healthy, undeveloped habitats are found in the modern ...

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