The Silurian is a geologic period and system spanning 24.6 million years from the end of the Ordovician Period, at 443.8 million years ago (Mya), to the beginning of the Devonian Period, 419.2 Mya. The Silurian is the shortest period of the Paleozoic Era. As with other geologic periods, the rock beds that define the period's start and end are well identified, but the exact dates are uncertain by … WebNov 21, 2024 · Silurian Period—Timeline. On the geologic timescale, the Silurian Period is roughly 28 million years between the Ordovician and Devonian periods. It spanned from …

Hall of Evolution: Paleozoic Era – MSU Museum

WebOct 3, 2024 · The Silurian Period is known for the evolution of both jawed and jawless fish. However, jawless fish groups like the agnatha were among the most incredible Silurian Period animals. Vertebrates were rare then, and agnathas were among the first sets of vertebrates that lived. There were more than 100 species of this fish with different fossil … WebThe Silurian is a time when many biologically significant events occurred. In the oceans, there was a widespread radiation of crinoids , a continued proliferation and expansion of … blackened lamb chops

Silurian Period - an overview ScienceDirect Topics

WebJun 20, 2013 · After the Ordovician Period came the Silurian Period (443.8 million to 419.2 million years ago), which saw the spread of jawless fish throughout the seas. Mollusks and corals also thrived in the ... WebThe Cambrian period, part of the Paleozoic era, produced the most intense burst of evolution ever known. The Cambrian Explosion saw an incredible diversity of life emerge, including … WebFeb 22, 2014 · It was the fourth period of the Paleozoic Era. It was preceded by the Silurian Period and followed by the Carboniferous Period. It is often known as the "Age of Fishes," although significant... blackened jumbo shrimp