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The Ordovician–Silurian extinction events may have been caused by an ice age that occurred at the end of the Ordovician Period, due to the expansion of the first terrestrial plants, [54] as the end of the Late Ordovician was one of the coldest times in the last 600 million years of Earth's history.
Animals of the Ordovician period Paleontology portal; Subcategories. This category has the following 7 subcategories, out of 7 total. Ordovician animals by continent ...
Ordovician North America Cantabrian: 305 age Carboniferous Europe Wagner, 1965 Capitanian: 265.8 ± 0.7 260.4 ± 0.7 age Permian ICS Capitan Reef (Texas, US) Richardson, 1904 Caradocian: 460.9 449.5 epoch Ordovician Europe Caradoc (Welsh king) Murchison, 1839 Carboniferous: 359.2 ± 2.5 299.0 ± 0.8 period Paleozoic ICS carbon: Conybeare ...
The complexity of slightly later Gondwana plants like Baragwanathia, which resembled a modern clubmoss, indicates a much longer history for vascular plants, extending into the early Silurian or even Ordovician. [citation needed] The first terrestrial animals also appear in the Wenlock, represented by air-breathing millipedes from Scotland. [24 ...
Due to their widespread abundance, planktonic lifestyle, and well-traced evolutionary trends, graptoloids in particular are useful index fossils for the Ordovician and Silurian periods. [4] The name graptolite comes from the Greek graptos meaning "written", and lithos meaning "rock", as many graptolite fossils resemble hieroglyphs written on ...
Category: Ordovician life. ... Life on Earth during the Ordovician period. Paleontology portal ... Ordovician animals (7 C, 16 P) B.
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 ...
Pages in category "Ordovician plants" The following 6 pages are in this category, out of 6 total. This list may not reflect recent changes. C. Casterlorum; Chaetocladus;