The Virtual Petrified Wood Museum. Dedicated to the Exhibition and Educational Study of Permineralized Plant Material
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Science Olympiad Fossil Gallery
Astraeospongia meniscus
Silurian
Beech River Formation
Perry County, Tennessee
5.5 cm diameter
Hydnoceras
Hydnoceras bathense
Upper Devonian
Chemung Group, Frasnian
Bath, Steuben County, New York
5 cm tall

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