Dendraster Gibbsii - Fossilized Sand Dollar - 1.166" glyptodon This specimen is a fragment

This specimen is a fragment of North Pole Dome Stromatolite from Dresser Formation in Western Australia

This specimen ships in a sturdy box and includes an individual certificate of authenticity

Space Shuttle: Developing an Icon: 1972-2013

this material comes from the personal collection of retired NASA Production Control Engineer William R

a period where cyanobacteria photosynthesized massive amounts of free oxygen

Dendraster Gibbsii - Fossilized Sand Dollar - 1.166" glyptodon This specimen is a fragmentFossilized at the bottom of the sea floor over 5,000,000 years ago, this Dendraster is a window into the ocean's past. The body plan of the animal has been preserved in beautiful detail, with their intricate skeletons still clearly visible. This particular fossil is a 1. 166" Dendraster gibbsii from the San Joaquin Valley deposit. The petroleum in this region provides a unique, natural stain to the item.