Trilobite / Asaphus Cornutus 1bbdc40285dbc0b56eda99b4881b1e6b Mosasaurs were giant marine lizards

Mosasaurs were giant marine lizards

Each strand measures 15 inches in length

a pearl is composed of a microcrystalline calcium carbonate that is deposited in thin concentric layers

Turquoise is a hydrous phosphate of aluminum and copper

Trilobite / Asaphus Cornutus 1bbdc40285dbc0b56eda99b4881b1e6b Mosasaurs were giant marine lizardsTrilobites are extinct hard shelled marine arthropods with amazingly great diversity. It is estimated there were over 15,000 known species of Trilobita, making them the most diverse animal life form that ever existed on earth. In Morocco, new Trilobite specimens are being discovered every year. Trilobites are are important as paleo zoic guide fossils, having existed for over 270 million years. They began their existence during the early Cambrian time