Ice Age Horse Leg Meteorite Trilobites keen eye structures were

Trilobites keen eye structures were highly adaptable to their environment

Today this rugged and remote region of southeastern Nevada is prized for these beautiful and rare opalized specimens

or Spirit Quartz

banded variety of Agate

by Father Miguel Domingo Fuertes Loren

Ice Age Horse Leg Meteorite Trilobites keen eye structures wereEquus caballus (or Equus ferus) evolved in North America during the Pleistocene, spreading to Eurasia via the Bering land bridge before going extinct in North America around 10,000 years ago. As a key member of the Pleistocene megafauna, they adapted to varying environments, with several species dominating Eurasia by the Late Pleistocene.