A Sea without Fish: Life in the Ordovician Sea of the Cincinnati …
WEBMar 4, 2009 · Explore the abundant and diverse fossils of invertebrate animals that lived in the shallow sea that covered the Cincinnati region 450 million years ago. Learn about their life habits, communities, relatives, and the environmental conditions of the ancient sea.
Ordovician - Wikipedia
WEBThe Ordovician is a geologic period and system of the Paleozoic Era, spanning 41.6 million years from 485.4 to 443.8 Ma. It was marked by the diversification of life, the first land plants, and the Ordovician–Silurian extinction events.
Ordovician Period | Major Events, Extinction, & Facts
WEBAug 9, 2024 · Learn about the Ordovician Period, the second period of the Paleozoic Era, when marine animals diversified and continents flooded. Find out how the Ordovician radiation, the Ordovician-Silurian extinction, and the …
The Ordovician Period - ScienceDirect
WEBJan 1, 2020 · The Ordovician Period (486.9–443.1 Ma) encompasses two extraordinary biological events in the history of life on the Earth. The first, the “Great Ordovician Biodiversification Event,” is a great evolutionary radiation of marine life and the second is a catastrophic Late Ordovician extinction.
The Ordovician Period - SpringerLink
WEBJul 1, 2023 · Learn about the Ordovician Period, its fauna, flora, palaeogeography, and tectonic events. Explore the three exposed Ordovician rock units in Egypt: Karkur Talh, Naqus, and Gabgaba formations.
Ordovician Period - Natural History Museum
WEBAug 10, 2012 · The Ordovician Period lasted about 45 million years and saw the greatest increase in marine diversity in the history of life. Learn about the Ordovician radiation, the Paleozoic fauna, the tectonic reconstructions, the …
The Great Ordovician Biodiversification Event - Google Books
WEBThe major part is an assembly of genus- and species-level diversity data for the many Ordovician fossil groups. The book also presents an evaluation of how each group diversified through...
The Ordovician System: Key concepts, events and its distribution …
WEBMar 10, 2023 · The Ordovician was a key period in the biological and geological history of the planet. ‘A Global Synthesis of the Ordovician System’ is presented in two volumes of The Geological Society, Special Publications.
The Ordovician Earth System - Google Books
WEBJan 1, 2010 · "The Ordovician period is a significant chapter in Earth's history that included the great Mid-Ordovician biodiversification event, the Hirnantian glaciation, and long-term greenhouse...
Changing palaeobiogeography during the Ordovician Period
WEBMay 10, 2023 · The unique Ordovician biodiversifications established modern marine ecosystems, whereas the first plants originated on land. The two volumes cover all key topics on Ordovician research and provide a review …
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