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Amérique du Nord, North America; Mexique, Mexico
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Equus hatcheri (North American Caballines)
Sunday 27 November 2022
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E. hatcheri Hay 1915
The highly reconstructed type skull and associated mandible USNM 7868 come from Hay Springs. The muzzle seems long (Fig.1). The protocones are short and not grooved (Fig.2).
The lower cheek teeth are typically caballine; ectoflexids are shallow even on the molars (...)
Equus alaskae (North American Caballines)
Sunday 27 November 2022
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E. alaskae Hay 1913b, type: USNM 7700, from Sullivan’s Creek, Tofty, Central Alaska. Dscribed as E. niobrarensis alaskae.
The type belongs to an adult male (Fig.1).
The muzzle is longer than in E. lambei and E. niobrarensis.
Similar skulls (Fig.2) are FAM 6001, 60010, 60011, 60071 (Fig.3, (...)
Equus niobrarensis (North American Caballines)
Friday 25 November 2022
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E. niobrarensis Hay 1913a, type: USNM 4999, Hay Springs, Nebraska, 300ky?
The type cranium belongs to a young adult mare (Fig.1) and 1bis. I have seen only a cast. On it, the cranial height is unusually large and the basilar proportions cannot be ascertained.
As it is, the information on the (...)
Equus lambei (North American Caballines)
Sunday 20 November 2022
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E. lambei Hay 1917, type: USNM 8426 Gold Run Creek (=Dawson 32), Yukon, ca 15000 years old. The skull L 1-1222 probably comes from the same localitry (Harington and Clulow, 1973).
Probably best adapted to cold as shown by short muzzles and to hard food as shown by big teeth and long protocones. (...)
Hay Springs Attention! (Hay Springs, Stilt legged Horses)
Monday 1 June 2020
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I am currently re-working the whole Hay Springs matter.
It will take several weeks to complete the job.
All articles dealing with Hay Springs will probably be modified.
Sorry...
Hay Springs, Stilt legged Horses, Metatarsals (Hay Springs, Stilt legged Horses)
Sunday 3 May 2020
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Hay Springs, Stilt legged Horses, Metacarpals (Hay Springs, Stilt legged Horses)
Saturday 2 May 2020
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Hay Springs, Stilt legged Horses, Upper Cheek Teeth (Hay Springs, Stilt legged Horses)
Saturday 2 May 2020
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Hay Springs, Stilt legged Horses, Crania (Hay Springs, Stilt legged Horses)
Saturday 2 May 2020
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E. mexicanus, type cranium and referred fossils (Tequixquiac, Mexico, Equus mexicanus)
Sunday 19 April 2020
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