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List of crinoid genera (category Articles covered by WikiProject Wikify from August 2022)Sprinkle, J., (ed.), Echinoderm faunas from the Bromide Formation (Middle Ordovician) of Oklahoma. University of Kansas Paleontological Contributions, Monograph...281 KB (13,668 words) - 22:50, 4 January 2024
Cenozoic eras. These three eras together comprise eleven periods (Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian, Triassic, Jurassic, Cretaceous...132 KB (13,782 words) - 04:53, 19 April 2024- Karim, T. S.; Adrain, J. M. (2022). "The phylogenetic affinity of the Ordovician trilobites Agerina, Forteyaspis gen. nov., and related genera, with new...415 KB (16,437 words) - 11:51, 22 April 2024
article needs attention from an expert in Palaeontology. See the talk page for details. WikiProject Palaeontology may be able to help recruit an expert. (March...199 KB (19,525 words) - 19:00, 25 April 2024
Cephalopod size (category Articles covered by WikiProject Wikify from April 2021)Teichert (1927) mentioned specimens up to 5 m (16 ft) long from the Middle Ordovician limestone of Estonia and Frey (1995:72) gave a maximum shell length of...359 KB (29,937 words) - 02:27, 15 April 2024
schists of the greywacke schist complex. To a lesser extent Precambrian, Ordovician and Silurian rocks occur. The distribution of tin and wolfram deposits...55 KB (6,511 words) - 07:37, 9 December 2023- List of Swedish Americans (category Articles covered by WikiProject Wikify from August 2022)described the multielement conodont genus Appalachignathus from the Middle Ordovician of North America Chester Carlson, physicist, inventor, and patent attorney...71 KB (7,743 words) - 14:31, 17 April 2024
(lasting till now) and Palaeozoic Era. Cambrian period (541–485 Ma) – Ordovician (485–443 Ma) Small shelly fauna appear. Cambrian explosion. Fish-like...237 KB (6,440 words) - 14:43, 26 April 2024
Ma), thermal subsidence during the Early Ordovician period (485–470 Ma), and the Canning Basin (Late Ordovician to Early Cretaceous, 458–100 Ma). During...33 KB (3,395 words) - 01:28, 25 March 2024- Prehistory of West Virginia (category Articles covered by WikiProject Wikify from November 2016)effect of the North American Plate. The Taconic Orogeny near the end of Ordovician time formed a much higher mountainous area in eastern West Virginia approximately...122 KB (16,896 words) - 18:31, 12 November 2023
Amadeus William Grabau (category Articles covered by WikiProject Wikify from March 2013)(1920–21) Two volumes: Part I; Part II. Silurian Fossils of Yunnan (1920) Ordovician Fossils of North China (1922) Paleozoic Corals of China (1921) Stratigraphy...11 KB (766 words) - 02:12, 7 November 2023
underlying geological formations - Ediacaran metasediments, Quazemi gneiss (Ordovician), and leucogranite (Hercynian). Its predominance in this area is a testimony...11 KB (1,238 words) - 11:33, 17 November 2023
- been called the Cambrian-Ordovician Extinction Event (Wikipedia article). The most useful group for dating the Cambrian-Ordovician boundary is the Brachiopods