Graptolites were groups of colonial, filter-feeding organisms which went extinct around 320 million years ago. Dictyonema survived from the upper Cambrian through to the Devonian and can be found in localities throughout the world. 
 
These specimens were found in the Mecissi area in Morocco.
 
This is a natural product and may differ from the photos.  
The specimen you receive may vary in colour and size, and may not be the exact one photographed. 
 
Some may have some slight natural damage. We strive to ensure our specimens are of the best quality, but if you have any issues, please get in touch