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March 29, 2005	Featured article candidate	Not promoted

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Add section on hearing

It's crazy that there isn't even a link to hair cells or any discussion of hair's role in hearing. Dgisser (talk) 05:10, 21 June 2023 (UTC)[reply]

Wiki Education assignment: Rhetorical Practices from the Ancient World to Enlightenment

This article was the subject of a Wiki Education Foundation-supported course assignment, between 18 January 2024 and 30 April 2024. Further details are available on the course page. Student editor(s): Karinakathy05 (article contribs).

— Assignment last updated by Karinakathy05 (talk) 17:04, 5 March 2024 (UTC)[reply]

Fia hairtype system

"Fia" isn't an acronym, it's the user ID of Annsofie Henriksen (sp?) at Long Hair Community, and should not be written in all caps. phma (talk) 10:20, 6 March 2024 (UTC)[reply]

@PierreAbbat: Interesting that you mentioned that; I recently discovered the existence of the hair type system you are referring to, and am almost surprised Wikipedia does not have more information about it. In fact, I looked around the internet for a bit, and could not find any information about either an official website about the subject or reliable information about the subject's origin. Apparently, you are the best source thus far I could find which may know where to find such information. Do you have a lead regarding a web source where the subject could be verified? (Honestly, the subject may be notable enough for its own article; at the present time, all I could do was create a redirect that targets the respective section on this article.) Steel1943 (talk) 21:01, 18 July 2024 (UTC)[reply]

"Fax (hair)" listed at Redirects for discussion

The redirect Fax (hair) has been listed at redirects for discussion to determine whether its use and function meets the redirect guidelines. Readers of this page are welcome to comment on this redirect at Wikipedia:Redirects for discussion/Log/2024 July 19 § Fax (hair) until a consensus is reached. Steel1943 (talk) 22:40, 19 July 2024 (UTC)[reply]

Hair in Permian coprolites

Hair § Evolution currently gives a range of 299 to 220 million years ago for the first hair. Evolution of mammals § Theriodonts currently says:

Numerous Changhsingian coprolites that possibly belong to therocephalians and indeterminate basal archosaurs (proterosuchids) contain elongated hollow structures that could be remains of hair. That means therapsids were covered in hair as early as 252 million years ago.^[1]

the discovery of hair remnants in Permian coprolites possibly vindicates the status of dicynodonts as endothermic animals. As these coprolites come from carnivorous species and digested dicynodont bones are abundant, it has been suggested that at least some of these hair remnants come from dicynodont prey.^[2] A new study using chemical analysis seemed to suggest that cynodonts and dicynodonts both developed warm blood independently before the Permian extinction.^[3]

References

^ Sennikov, A. G.; Golubev, V. K.; Niedzwiedzki, G.; Bajdek, P.; Owocki, K.; Sulej, T. (2016). Древнейшая находка остатков волос в копролитах тетрапод из терминальной перми Владимирской области [The earliest known remains of hair are tetrapod coprolites in Vladimir Oblast from the Changhsingian] (PDF) (in Russian). Moscow: Paleontological Institute, Russian Academy of Sciences. pp. 71–72. Archived (PDF) from the original on 2023-11-03.
^ Bajdek, Piotr; Qvarnström, Martin; Owocki, Krzysztof; Sulej, Tomasz; Sennikov, Andrey G.; Golubev, Valeriy K.; Niedźwiedzki, Grzegorz (2016). "Microbiota and food residues including possible evidence of pre-mammalian hair in Upper Permian coprolites from Russia". Lethaia. 49 (4): 455–477. doi:10.1111/let.12156.
^ Rey, Kévin; Amiot, Romain; Fourel, François; Abdala, Fernando; Fluteau, Frédéric; Jalil, Nour-Eddine; Liu, Jun; Rubidge, Bruce S.; Smith, Roger MH; Steyer, J. Sébastien; Viglietti, Pia A; Wang, Xu; Lécuyer, Christophe (2017). "Oxygen isotopes suggest elevated thermometabolism within multiple Permo-Triassic therapsid clades". eLife. 6: e28589. doi:10.7554/eLife.28589. PMC 5515572. PMID 28716184.

These claims are all summarized using tentative language, but I thought it is worth mentioning here for potential improvement to this article. Daask (talk) 16:48, 12 August 2024 (UTC)[reply]

[1] Sennikov, A. G.; Golubev, V. K.; Niedzwiedzki, G.; Bajdek, P.; Owocki, K.; Sulej, T. (2016). Древнейшая находка остатков волос в копролитах тетрапод из терминальной перми Владимирской области [The earliest known remains of hair are tetrapod coprolites in Vladimir Oblast from the Changhsingian] (PDF) (in Russian). Moscow: Paleontological Institute, Russian Academy of Sciences. pp. 71–72. Archived (PDF) from the original on 2023-11-03.

[2] Bajdek, Piotr; Qvarnström, Martin; Owocki, Krzysztof; Sulej, Tomasz; Sennikov, Andrey G.; Golubev, Valeriy K.; Niedźwiedzki, Grzegorz (2016). "Microbiota and food residues including possible evidence of pre-mammalian hair in Upper Permian coprolites from Russia". Lethaia. 49 (4): 455–477. doi:10.1111/let.12156.

[3] Rey, Kévin; Amiot, Romain; Fourel, François; Abdala, Fernando; Fluteau, Frédéric; Jalil, Nour-Eddine; Liu, Jun; Rubidge, Bruce S.; Smith, Roger MH; Steyer, J. Sébastien; Viglietti, Pia A; Wang, Xu; Lécuyer, Christophe (2017). "Oxygen isotopes suggest elevated thermometabolism within multiple Permo-Triassic therapsid clades". eLife. 6: e28589. doi:10.7554/eLife.28589. PMC 5515572. PMID 28716184.

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