Periodon Explained

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]

External links

• Periodon at the Paleobiology Database

Notes and References

1. 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.
2. http://www.ordovician.cn/down/midOrdov.pdf The Base of the Middle Ordovician Series Using Graphic Correlation Method
3. 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 . 10.1139/e11-057.