by sysadmin | Jan 22, 2016 | Blog
Petrified Bog- Calamites, Sigillaria, Stigmaria and Psaronius- Czech Paradise, Holenice, near Nova Paka. Czech Republic. Lower Permian. 30 inches across. One of the largest pieces of its kind in existence. Calamites close up Psaronius close up adventitious root of...
