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Hair in Permian coprolites

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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]

Similarly, Dicynodontia § Endothermy and soft tissue anatomy says:

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

  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.

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]

The table referencing the Andre Walker Hair Typing system doesn't contain all types.

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At the end of the Hair#Description section - it's easiest to click Hair#Composition and scroll up a tiny amount - references the Andre Walker Hair Typing System and then provides a table but that table is missing 3c and 4c hair types which are ironically some of the types most politically controversial. The Andre Walker Hair Typing System page however contains both types, though this page (https://blackhairspot.com/blog/hair-talk/fia-hair-typing/) implies that the table shows the Andre Walker+ system.

Also to note is the discussion here on the Fia hairtype system which the blackhairspot blog page linked also covers. Sharkhouse (talk) 15:36, 1 November 2024 (UTC)[reply]

Semi-protected edit request on 11 November 2024

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In the first paragraph under Description > Human hair growth i think the mention of "glabrous" should be a link redirecting to the "glabrousness" page as its an unfamiliar term to most Benjinoodle (talk) 04:49, 11 November 2024 (UTC)[reply]

 Already done M.Bitton (talk) 13:57, 12 November 2024 (UTC)[reply]

Semi-protected edit request on 20 November 2024

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There should be a "by" in "The system was created (by) Oprah Winfrey's hairstylist, Andre Walker." RageMage200 (talk) 17:07, 20 November 2024 (UTC)[reply]

 Done, thanks. DrOrinScrivello (talk) 20:30, 20 November 2024 (UTC)[reply]

Semi-protected edit request on 2 December 2024

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In the section Overview, subsection Etymology, please change

"such as Swedish: här" to "such as Swedish: hår"

as the word "här" is incorrect and has a completely different meaning.

To verify, I suggest checking the name of the linked article for hair in Swedish ("svenska") which is "Hår", or check this translation by google translate:

https://translate.google.se/?sl=en&tl=sv&text=hair&op=translate Rebeccalindstroem (talk) 12:41, 2 December 2024 (UTC)[reply]

 Done LizardJr8 (talk) 20:09, 2 December 2024 (UTC)[reply]

Who is the FIA?

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It describes the FIA hair system, but does not indicate what the FIA is. Can someone please try to find it? (Google isn’t helping me and I would add this as a {{Missing information}}, but the page is semi-protected and I just made this account because I forgot my password.) LoonaDalsoOT12 again (talk) 20:29, 9 February 2025 (UTC)[reply]