Fossil Stingray Denticle mmj-hq-sb Combined with an injection of

Combined with an injection of carbon dioxide and sulfate aerosols

The silica came from sand or quartz pebbles

All specimens are completely unique and coloration varies

Small and quick

Over 28 million years it has been the source of many earthquakes on the North American West Coast

Fossil Stingray Denticle mmj-hq-sb Combined with an injection ofStingrays are an ancient and beautiful ray fish which have glided through the oceans for millions of years. Belonging to the superorder Batoidea, their ancestors were contemporary with dinosaurs, first appearing 145,000,000 years ago. This specimen is a fossil denticle from a stingray. These denticles are specialized dermal scales, which provided armor and reduced water friction on the ancient animals. Since their skeletons are made of cartilage, like