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American Lion (Panthera atrox)

tigerluver Offline
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(05-30-2021, 12:54 AM)LoveAnimals Wrote:
(05-29-2021, 01:27 PM)tigerluver Wrote: From long bones and skulls the biggest specimens were mid to high 300s kg from literature. Studies using articular width or midshaft diameters find low 400s. However this would be reduced if limb bone length was accounted for.

So would you agree if I estimate the average for males from 243 to 268 kg and max from 317 to 384 kg?


That is fair.
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Sully Offline
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A Male American Lion (P. Atrox) with a Smilodon Fatalis. Sketch done by sergei merjeevski.


*This image is copyright of its original author
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tigerluver Offline
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@epaiva, I recall you had a nice table of your skull collection measurements and had P. atrox over 460 mm. Do you have a photo of the skull measured with a ruler for scale? It would be great for some comparisons. Thank you!
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Venezuela epaiva Offline
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( This post was last modified: 07-15-2021, 09:46 AM by epaiva )

Length of skull 46,7 cm, wide of skull 30,4 cm, length of upper fangs 74,8 and 74,3 mm, length of lower fangs 53,9 mm and 55,1 mm

*This image is copyright of its original author

*This image is copyright of its original author

*This image is copyright of its original author
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tigerluver Offline
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Excellent as always @epaiva, thank you!
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Jamaica KRA123 Offline
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( This post was last modified: 07-16-2021, 11:55 AM by KRA123 )

Proposed American lion petroglyph:

*This image is copyright of its original author
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Italy Spalea Online
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@epaiva :

About #109: incredible photo ! It's a so much impressive skull... Thank you for sharing this.
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tigerluver Offline
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(07-16-2021, 11:55 AM)KRA123 Wrote: Proposed American lion petroglyph:

*This image is copyright of its original author


These are very interesting. Could you please link to the specific page on this website?
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Jamaica KRA123 Offline
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@tigerluver It isn't a website, as far I know. Ray Urbaniak and I are both in the "Pleistocene Megafauna" Facebook group where he shared some of these petroglyphs. He has a pdf of them, though I think I posted the most promising ones.
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tigerluver Offline
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(07-18-2021, 09:25 AM)KRA123 Wrote: @tigerluver It isn't a website, as far I know. Ray Urbaniak and I are both in the "Pleistocene Megafauna" Facebook group where he shared some of these petroglyphs. He has a pdf of them, though I think I posted the most promising ones.


I was actually able to find the website. It’s in this magazine/journal.
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Jamaica KRA123 Offline
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( This post was last modified: 07-18-2021, 10:39 AM by KRA123 )

(07-18-2021, 10:18 AM)tigerluver Wrote:
(07-18-2021, 09:25 AM)KRA123 Wrote: @tigerluver It isn't a website, as far I know. Ray Urbaniak and I are both in the "Pleistocene Megafauna" Facebook group where he shared some of these petroglyphs. He has a pdf of them, though I think I posted the most promising ones.


I was actually able to find the website. It’s in this magazine/journal.

Yeah, I think that's the pdf I was talking about.
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Utkarsh Offline
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American Lion was 523 kg cause. New studies are of 2012 which gave an range of 235 kg to 523 kg which is pretty enormous it was not of 1993
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