TRILOBITE Evolution of Life Ordovician Period Moneda Plata 500 Togrog Mongolia 2016

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This beautiful 1 Oz Silver 999 coin is the second issue in the amazing "Evolution of Life" series. The evolution of life is celebrated with this series featuring a trilobite which is based on a real, 470-million-year-old fossil found near St. Petersburg, Russia. The trilobite is minted in impressive relief with a brilliant red-gold finish. Limited mintage to 999 pcs worldwide.

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209.95 €

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Específicas
País Mongolia
Año 2016
Valor Facial 500 Togrog
Metal Plata
Finura 999/1000
Peso (g) 31.1 (1 oz)
Diámetro (mm) 38.61
Calidad Acabado Antiguo
Tirada (uds) 999
Certificado de Autenticidad
Caja
 
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Trilobites
Every single continent has yielded trilobite remains. The biggest species (Isotelus rex) was some 28 inches long, while the smallest measured less than a millimeter from end to end. Some sported defensive spines, while others had smooth, rounded shells. And whereas certain trilobites came with disproportionately large eyes, many deep-sea species were blind. Their debut roughly coincided with the dawn of the Cambrian period. During this game-changing chapter in Earth’s history, multi-celled organisms went through an apparent explosion in diversity, or at least an explosion in life forms that leave fossils. New creatures—including a barrage of mollusks and arthropods—seem to have evolved at an unprecedented rate. The Cambrian also saw trilobites become the most common and diverse animals on the planet. However, trilobites began to decline when the period ended some 500 million years ago. Though the invertebrates stuck around for another 240 million years, they’d never again be so successful.

 
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