Silurian Wenlockian Star - 1.59" Spiral Graptolite rockinaboxopal The specimen ships in a

The specimen ships in a padded box along with an informational card

and a beautiful illustration of the aquatic dinosaur

In the Dino Digestion Bundle

but then change is the guiding principle at the heart of the design suggested by George Washington

Silurian Wenlockian Star - 1.59" Spiral Graptolite rockinaboxopal The specimen ships in aIn the prehistoric sea, all sorts of adaptations were needed to survive and thrive. Graptolites are a clear example of just that. They first appeared in the Cambrian as benthic animals, tiny filter feeding creatures that lived together in interconnected colonies, connected by organic tubing. However, many Graptolite colonies evolved into planktonic floating groups, carried by the ocean's currents. This adaptation brought them all across the world and