Periodon
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.
Periodon | |
---|---|
Scientific classification | |
Kingdom: | |
Phylum: | |
Class: | |
Order: | |
Genus: | Periodon Hadding, 1913 |
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]
gollark: I'm not sure evolutionary psychology is particularly known for predictive accuracy.
gollark: I guess.
gollark: I don't routinely believe proverbs.
gollark: I… see.
gollark: They seem to be suggesting it varies between times and places.
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
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.