A newly discovered fossil "treasure hoard" dating back some 436 million years to the early Silurian period reveals, for the first time, the complete body shape and form of some of the first jawed ...

The Middle Ordovician-early Silurian is the key period for the origin and early evolution of morphological innovations of land plants. It is widely accepted that the earliest unambiguous fossil ...

Since 2016 the researchers of the Department of Geology at Tallinn University of Technology have been engaged in a research project analysing the causes of Silurian biodiversity crisis. The findings ...

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 ...

NEW YORK – A big catch of fish fossils in southern China includes the oldest teeth ever found — and may help scientists learn how our aquatic ancestors got their bite. The finds offer new clues about ...

Graptolites show us how unpredictable the Silurian period really could be. What graptolites tell us is a story of incredible changes in the ocean, of periods where the oceans became poisonous and ...

The Silurian carbonate succession of the Sangamon arch in west-central Illinois includes hydrocarbon reservoirs that have produced chiefly from dolomitized nonreef facies (Fig. 1A). Nearly 30 million ...