The Silurian Period occurred from 443.8 million to 419.2 million years ago. It was the third period in the Paleozoic Era. It followed the Ordovician Period and preceded the Devonian Period. During ...

The Paleozoic era's Silurian period saw animals and plants finally emerge on land. But first there was a period of biological regrouping following the disastrous climax to the Ordovician. The recovery ...

WITH what interest do we look upon any relic of early human history ! The monument that tells of a civilization whose hieroglyphic records we cannot even decipher, the slightest trace of a nation that ...

Would it be possible that an industrialized civilization existed on Earth before the current human civilization? Two scientists proposed a hypothesis that says that if an industrial civilization did ...

Journal of Paleontology, Vol. 73, No. 2, Papers from the Second International Trilobite Conference, August 1997 (Mar., 1999), pp. 320-325 (6 pages) Silurian trilobites of the central United States ...

The calymenid trilobite Metacalymene Kegel, 1927 from the Silurian Kopanina Formation of Czechoslovakia is considered to be monotypic, containing only the type species Calymene baylei Barrande, 1846.

The fossil remains of an armored fish species dating to the Silurian Period was recently discovered by Chinese paleontologists in Kalpin county, Northwest China's Xinjiang Uygur Autonomous Region. The ...