Daniel Gomez / Petrified Forest NM, Argentina. 150 million yrs ago in jurassic period dense humid forest covered Patagonia. Intense volcanic activity buried region in ash, leaving petrified tree stumps
01091083
Daniel Gomez / Petrified Forest NM, Argentina. 150 million yrs ago in jurassic period dense humid forest covered Patagonia. Intense volcanic activity buried region in ash, leaving petrified tree stumps
01091082
Daniel Gomez / Petrified stumps of Araucaria tree ancestors. Petrified forest NM, Patagonia, Argentina. 150 million years ago in jurassic dense humid forest covered Patagonia. Volcanic activity buried region in ash,...
01388191
Paul D Stewart / Illustrationg of great white shark jaw with fossil shark teeth, copperplate after Nicolas Steno 1667. Steno produced a book 'Head of a shark dissected' from his dissection of a great white shark caugh...