Carboniferous Fossil Plant - 7.29" Mariopteris & Alethopteris featurednew Typically ~3" (75mm) in diameter

Typically ~3" (75mm) in diameter

Bismuth is an element (Bi 83) best known for its unusual staircase shape

Above: Detail shot of the Knight's Sword

" Palaeogeography

This claw core comes from the species Ursus spelaeus

Carboniferous Fossil Plant - 7.29" Mariopteris & Alethopteris featurednew Typically ~3" (75mm) in diameter300,000,000 years ago, in the Carboniferous Period, Earth was a dense tropical jungle. Lush forests were home to all manner of prehistoric creatures and swampy landscapes covered the surface. We know of this incredible time thanks to the fossil imprints left behind by plants that were preserved for millions of years. This specimen is a 7. 29" fossil plant from the genus Mariopteris that was recovered from a coal bed in Poland. The lower section of the