Henry's Fork Hill (Bridger C): Bridgerian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Amphibia
- Temnospondyli
- Urodela
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Siren dunni n. sp.
Goin and Auffenberg 1957
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Goin and Auffenberg 1957 | |||||||||
1873 O. C. Marsh collection from "Cottonwood White Layer; Henry's Fork" (possibly Bridger B or D instead) | ||||||||||
Mammalia
- Dinocerata
- Uintatheriidae
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Uintatherium anceps
(Marsh 1871)
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Wheeler 1961 | |||||||||
Bridger C3, C4, C5 | ||||||||||
Mammalia
- Primates
- Notharctidae
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Notharctus robustior
Leidy 1872
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Granger and Gregory 1917 | |||||||||
Bridger C4 | ||||||||||
Mammalia
- Primates
- Omomyidae
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Hemiacodon sp.
Marsh 1872
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Simpson 1940 | |||||||||
"Upper Bridger, C5, on Henry's Fork": implicitly identified with H. gracilis | ||||||||||
Mammalia
- Perissodactyla
- Brontotheriidae
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Manteoceras manteoceras
(Matthew 1899)
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Osborn 1929 | |||||||||
= Telmatherium manteoceras
Matthew 1899
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Alroy 2002 | |||||||||
original and current combination Palaeosyops manteoceras | ||||||||||
Bridger C5 | ||||||||||
Palaeosyops leidyi n. sp.
Osborn 1908
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Osborn 1908 | |||||||||
= Palaeosyops robustus
Marsh 1872
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Alroy 2002 | |||||||||
see also Osborn 1929, who lists material from Henry's Fork Hill, Bridger C3; questionably referred specimen from C2; and other material of "P. | ||||||||||
Palaeosyops robustus n. sp.
(Marsh 1872)
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Gunnell and Yarborough 2000 | |||||||||
see also Osborn 1929 | ||||||||||
Limnohyops laticeps
(Leidy 1872)
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Osborn 1929 | |||||||||
(6 measurements) | ||||||||||
= Palaeosyops laticeps
Leidy 1872
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Alroy 2002 | |||||||||
synonym of Palaeosyops robustus | ||||||||||
"level C 4"; figured but not discussed in text | ||||||||||
Mammalia
- Perissodactyla
- Hyrachyidae
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Hyrachyus eximius
Leidy 1871
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Wood 1934 | |||||||||
Bridger C4, and "H. princeps" from C5 | ||||||||||
Mammalia
- Homacodontidae
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Homacodon vagans
Marsh 1872
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West 1984 | |||||||||
C5 | ||||||||||
Microsus cuspidatus
Leidy 1870
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West 1984 | |||||||||
Bridger C5 (1 measurement) | ||||||||||
Mammalia
- Creodonta
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Phenacops incerta n. sp.
Matthew 1909
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= Didelphodus altidens
Marsh 1872
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Alroy 2002 | |||||||||
from Bridger C4; Henry's Fork area according to McKenna et al. 1962 | ||||||||||
Mammalia
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Uintacyon jugulans n. sp.
Matthew 1909
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Bridger C4 | ||||||||||
Mammalia
- Condylarthra
- Hyopsodontidae
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Hyopsodus lepidus n. sp.
Matthew 1909
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"Horizon C"; Henry's Fork area according to Gazin 1976 | ||||||||||
Mammalia
- Apatemyidae
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Apatemys bellulus n. sp.
Marsh 1872
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of Marsh from Bridger C; Henry's Fork area according to Gazin 1958a | ||||||||||
Reptilia
- Testudines
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Anosteira ornata
Leidy 1871
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Hay 1908 | 1 specimen | ||||||||
AMNH 6132, partial carapace: third division of level C, collected in 1905 | ||||||||||
Reptilia
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Tinosaurus stenodon n. gen., n. sp.
Marsh 1872
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Marsh 1872 | 1 specimen | ||||||||
Yale University Museum, cat. no. 615 (holotype), portion of right dentary with two complete teeth and basal portion of a third | ||||||||||
Reptilia
- Anguidae
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Glyptosaurus sp.
Marsh 1871
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ElShafie 2024 | 1 specimen | ||||||||
AMNH 2242 | ||||||||||
Reptilia
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Crocodylus cf. affinis
Marsh 1871
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Mook 1921 | |||||||||
nomen dubium belonging to Crocodylus | ||||||||||
C4 (1 measurement) | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Wyoming | County: | Sweetwater |
Coordinates: | 41.7° North, 109.0° West (view map) | ||||
Paleocoordinates: | 45.6° North, 95.1° West | ||||
Basis of coordinate: | based on political unit |
Time
Period: | Paleogene | Epoch: | Eocene |
10 m.y. bin: | Cenozoic 2 | ||
*Period: | Tertiary | ||
Key time interval: | Bridgerian | ||
Age range of interval: | 50.30000 - 46.20000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Lithology and environment
Primary lithology: | not reported |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection excludes: | some genera |
Reason for describing collection: | general faunal/floral analysis |
Taxonomic list comments:not the same as North of Cedar Mountain (see) |
Metadata
Also known as: | Cedar Mountain; Henry's Fork Table | ||
Database number: | 16235 | ||
Authorizer: | J. Alroy, P. Holroyd, R. Benson, P. Barrett | Enterer: | J. Alroy, R. Benson, P. Holroyd, T. Cleary |
Modifier: | M. Uhen | Research group: | vertebrate |
Created: | 2002-05-15 00:00:00 | Last modified: | 2013-08-13 08:11:32 |
Access level: | the public | Released: | 2002-05-15 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
7017. | W. D. Matthew. 1909. The Carnivora and Insectivora of the Bridger Basin, middle Eocene. Memoirs of the American Museum of Natural History 9:289-567 [J. Alroy/J. Alroy/J. Alroy] |
Secondary references:
6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
47930 | V. Buffrenil and E. Buffetaut. 1981. Skeletal growth lines in an Eocene crocodilian skull from Wyoming as an indicator of ontogenic age and paleoclimatic conditions. Journal of Vertebrate Paleontology 1(1):57-65 [M. Uhen/M. Uhen] | |
87093 | S. J. ElShafie. 2024. Body size estimation from isolated fossil bones reveals deep time evolutionary trends in North American lizards. PLoS ONE 19(1:e0296318):1-25 [P. Holroyd/P. Holroyd/P. Holroyd] | |
14538 | C. W. Gilmore. 1928. Fossil lizards of North America. Memoirs of the National Academy of Sciences 22(3):1-201 [J. Head/J. Head/M. Carrano] | |
25642 | C. J. Goin and W. Auffenberg. 1957. A new fossil salamander of the genus Siren from the Eocene of Wyoming. Copeia 1957(2):83-85 [J. Alroy/J. Alroy] | |
1698 | W. Granger and W. K. Gregory. 1917. A revision of the Eocene primates of the genus Notharctus. Bulletin of the American Museum of Natural History 37(34) [J. Alroy/J. Alroy/J. Ju] | |
1748 | G. F. Gunnell and V. L. Yarborough. 2000. Brontotheriidae (Perissodactyla) from the late early and middle Eocene (Brigerian), Wasatch and Bridger formations, southern Green River Basin, southwestern Wyoming. Journal of Vertebrate Paleontology 20(2):349-368 [J. Alroy/J. Alroy/J. Marcot] | |
14442 | ETE | O. P. Hay. 1908. The fossil turtles of North America. Carnegie Institution of Washington Publication 75:1-568 [M. Carrano/M. Carrano/M. Carrano] |
69854 | O. C. Marsh. 1872. Preliminary description of new Tertiary reptiles. Part I and Part II. The American Journal of Science, series 3 4(22):298-309 [M. Carrano/M. Carrano/M. Carrano] | |
23586 | C. C. Mook. 1921. Description of a skull of a Bridger crocodilian. Bulletin of the American Museum of Natural History 44(11):111-116 [J. Alroy/J. Alroy] | |
2700 | H. F. Osborn. 1908. New or little known titanotheres from the Eocene and Oligocene. Bulletin of the American Museum of Natural History 24(32):599-617 [J. Alroy/J. Alroy] | |
2708 | H. F. Osborn. 1929. New Eurasiatic and American proboscideans. American Museum Novitates 393:1-22 [J. Alroy/J. Alroy/M. Carrano] | |
29655 | G. G. Simpson. 1940. Studies on the earliest primates. Bulletin of the American Museum of Natural History 77(4):185-212 [J. Alroy/J. Alroy] | |
3606 | R. M. West. 1984. Paleontology and Geology of the Bridger Formation, Southern Green River Basin, Southwestern Wyoming. Part 7. Survey of Bridgerian Artiodactyla, including description of a skull and partial skeleton of Antiacodon pygmaeus. Milwaukee Public Museum Contributions in Biology and Geology 56:1-47 [J. Alroy/J. Alroy/J. Marcot] | |
3622 | W. H. Wheeler. 1961. Revision of the Uintatheres. Peabody Museum of Natural History Bulletin 14:1-93 [J. Alroy/J. Alroy/M. Uhen] | |
3744 | H. E. Wood. 1934. Revision of the Hyrachyidae. Bulletin of the American Museum of Natural History 67(5):181-295 [J. Alroy/J. Alroy/J. Marcot] |