What Can You Conclude About The Layers That Contain Only The Trilobites?
What Can You Conclude About The Layers That Contain Only The Trilobites? Calymene blumenbachii, Silurian, England, became known as the Dudley Locust, Dudley Bug or Dudley Insect. … Parts of a trilobite exoskeleton. … Specimens of Calymene from the Silurian Period. What type of rock are trilobite fossils found in? The fossils are found in