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Ordovician animal stubs (76 P) Pages in category "Ordovician animals" The following 16 pages are in this category, out of 16 total. This list may not reflect recent ...
The Great Ordovician Biodiversification Event (GOBE) was an evolutionary radiation of animal life throughout [1] the Ordovician period, 40 million years after the Cambrian explosion, [2] whereby the distinctive Cambrian fauna fizzled out to be replaced with a Paleozoic fauna rich in suspension feeder and pelagic animals.
The Ordovician (/ ɔːr d ə ˈ v ɪ ʃ i. ə n,-d oʊ-,-ˈ v ɪ ʃ ən / or-də-VISH-ee-ən, -doh-, - VISH-ən) [9] is a geologic period and system, the second of six periods of the Paleozoic Era, and the second of twelve periods of the Phanerozoic Eon.
The Late Ordovician mass extinction (LOME), sometimes known as the end-Ordovician mass extinction or the Ordovician-Silurian extinction, is the first of the "big five" major mass extinction events in Earth's history, occurring roughly 445 million years ago (Ma). [1]
The Cambrian–Ordovician extinction event, also known as the Cambrian-Ordovician boundary event, [1] was an extinction event that occurred approximately 485 million years ago in the Paleozoic era of the early Phanerozoic eon. [2]
Ordovician fish of North America (4 P) M. ... Pages in category "Ordovician animals of North America" The following 14 pages are in this category, out of 14 total.
Ordovician animals of Oceania (1 C, 1 P) S. Ordovician animals of South America (1 C, 13 P) This page was last edited on 23 January 2023, at 00:00 (UTC). Text is ...
Late Ordovician arthropods (3 P) Pages in category "Late Ordovician animals" The following 5 pages are in this category, out of 5 total.