Biology:Periodon
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Short description: Genus of jawless fishes
| Periodon | |
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| Order: | Priodontina
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| Genus: | Periodon Hadding, 1913
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Periodon is a genus of conodonts which existed in what is now Canada , Iran, Argentina , China , Russia , and the United States during the Ordovician Period. It was described by Hadding in 1913, and the type species is P. aculeatus.
Species
- Periodon flabellum Lindström, 1954
- Periodon zgierzensis Dzik, 1976
- Periodon aculeatus Hadding, 1913[1]
- Periodon selenopsis Serpagli, 1974[2]
- Periodon macrodentatus (Graves & Ellison 1941)
- Periodon hankensis Svend Stouge, 2012[3]
References
- ↑ Dubinina, S. V., and A. V. Ryazantsev (2008), Conodont stratigraphy and correlation of the Ordovician volcanogenic and volcanogenic sedimentary sequences in the South Urals, Russ. J. Earth Sci., 10, ES5001, doi:10.2205/2008ES000302.
- ↑ The Base of the Middle Ordovician Series Using Graphic Correlation Method Svend Stouge, Wang Xiofeng, Li Zhihong, Chen Xiaohong, and Wang Chuanshang.
- ↑ Svend Stouge (2012). "Middle Ordovician (late Dapingian–Darriwilian) conodonts from the Cow Head Group and Lower Head Formation, western Newfoundland, Canada". Canadian Journal of Earth Sciences 49 (1): 59–90. doi:10.1139/e11-057.
External links
- Periodon at the Paleobiology Database
Wikidata ☰ Q7168658 entry
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