Here is a picture of a Pleurodictyum problematicum coral fossil at the Museo di Paleontologia at Sapienza University of Rome Italy. It existed in the Devonian Period. The fossil was found in Eifel, Germany.
My pal Dave in Pennsylvania finds this coral genus in the Mahantango Formation. See his blog post about here: http://viewsofthemahantango.blogspot.com/2010/05/i-thought-id-start-my-blog-with-post-on.html
Image taken in June 2014.
